{ "evaluation_id": "EVAL-20260402-151320", "question_id": "CODE-029", "question_text": "Build a simple but production-worthy task queue in Python with: async worker pool, retry with exponential backoff, dead letter queue for failed tasks, priority levels, task deduplication, and graceful shutdown. Use only asyncio and standard library (no Celery/RQ). Include a demonstration with 3 worker types.", "category": "code", "timestamp": "2026-04-02T15:13:20.331Z", "display_date": "Apr 02, 2026", "winner": { "name": "Grok 4.20", "provider": "openrouter", "score": 7.96 }, "avg_score": 6.122, "matrix_size": 88, "models_used": [ { "id": "minimax_m25", "name": "MiniMax M2.5", "provider": "openrouter" }, { "id": "claude_opus_46", "name": "Claude Opus 4.6", "provider": "openrouter" }, { "id": "gemini_31_pro", "name": "Gemini 3.1 Pro", "provider": "openrouter" }, { "id": "claude_sonnet_46", "name": "Claude Sonnet 4.6", "provider": "openrouter" }, { "id": "grok_420", "name": "Grok 4.20", "provider": "openrouter" }, { "id": "deepseek_v4", "name": "DeepSeek V4", "provider": "openrouter" }, { "id": "gpt_oss_120b", "name": "GPT-OSS-120B", "provider": "OpenAI" }, { "id": "gemini_3_flash", "name": "Gemini 3 Flash Preview", "provider": "Google" }, { "id": "mimo_v2_flash", "name": "MiMo-V2-Flash", "provider": "Xiaomi" }, { "id": "gpt_5_4", "name": "GPT-5.4", "provider": "openrouter" } ], "rankings": { "grok_420": { "display_name": "Grok 4.20", "provider": "openrouter", "average_score": 7.96, "score_count": 9, "min_score": 5.5, "max_score": 9.55, "rank": 1 }, "gemini_3_flash": { "display_name": "Gemini 3 Flash Preview", "provider": "Google", "average_score": 7.67, "score_count": 9, "min_score": 6.2, "max_score": 8.8, "rank": 2 }, "deepseek_v4": { "display_name": "DeepSeek V4", "provider": "openrouter", "average_score": 7.38, "score_count": 9, "min_score": 6.35, "max_score": 9.35, "rank": 3 }, "claude_sonnet_46": { "display_name": "Claude Sonnet 4.6", "provider": "openrouter", "average_score": 6.97, "score_count": 9, "min_score": 4.7, "max_score": 9.6, "rank": 4 }, "mimo_v2_flash": { "display_name": "MiMo-V2-Flash", "provider": "Xiaomi", "average_score": 6.93, "score_count": 9, "min_score": 4.4, "max_score": 9.15, "rank": 5 }, "gpt_oss_120b": { "display_name": "GPT-OSS-120B", "provider": "OpenAI", "average_score": 6.85, "score_count": 9, "min_score": 3.65, "max_score": 9.2, "rank": 6 }, "claude_opus_46": { "display_name": "Claude Opus 4.6", "provider": "openrouter", "average_score": 6.78, "score_count": 9, "min_score": 2.05, "max_score": 9, "rank": 7 }, "gpt_5_4": { "display_name": "GPT-5.4", "provider": "openrouter", "average_score": 6.64, "score_count": 9, "min_score": 3.4, "max_score": 9, "rank": 8 }, "minimax_m25": { "display_name": "MiniMax M2.5", "provider": "openrouter", "average_score": 2.14, "score_count": 8, "min_score": 0.4, "max_score": 4.3, "rank": 9 }, "gemini_31_pro": { "display_name": "Gemini 3.1 Pro", "provider": "openrouter", "average_score": 1.9, "score_count": 8, "min_score": 0.25, "max_score": 6, "rank": 10 } }, "judgments": [ { "judge_key": "gpt_oss_120b", "judge_name": "GPT-OSS-120B", "respondent_key": "minimax_m25", "respondent_name": "MiniMax M2.5", "weighted_score": 3.05, "brief_justification": "The answer is cut off and lacks the full implementation, demonstration, and details required. The visible portion is clear but insufficient to assess correctness or provide a usable solution." }, { "judge_key": "gpt_5_4", "judge_name": "GPT-5.4", "respondent_key": "claude_opus_46", "respondent_name": "Claude Opus 4.6", "weighted_score": 2.05, "brief_justification": "The response starts with a plausible design and partial code, but it is truncated before completing the implementation or demonstration. Core requested elements cannot be verified end-to-end, so completeness and usefulness are very low." }, { "judge_key": "gpt_5_4", "judge_name": "GPT-5.4", "respondent_key": "gemini_31_pro", "respondent_name": "Gemini 3.1 Pro", "weighted_score": 0.25, "brief_justification": "The response is an incomplete fragment, not a full solution. It does not build the requested task queue, omits nearly all required features and the demonstration, and is not usable as an answer." }, { "judge_key": "gpt_5_4", "judge_name": "GPT-5.4", "respondent_key": "claude_sonnet_46", "respondent_name": "Claude Sonnet 4.6", "weighted_score": 4.75, "brief_justification": "The response is clearly written and the shown code is mostly sound, but it is incomplete relative to the request: the implementation is truncated before core queue behavior, async worker pool logic, graceful shutdown flow, and the required demo with 3 worker types. It outlines good components like priority, retry policy, dedup key, metrics, and DLQ, but does not fully deliver a production-worthy end-to-end solution." }, { "judge_key": "gpt_5_4", "judge_name": "GPT-5.4", "respondent_key": "grok_420", "respondent_name": "Grok 4.20", "weighted_score": 5.5, "brief_justification": "Covers many requested features, but the response is truncated and the demo is incomplete/broken. Core queue logic is plausible, yet graceful shutdown is not truly drain-aware, dedup is simplistic, and the '3 worker types' requirement is not actually implemented as distinct worker pools/types." }, { "judge_key": "gpt_5_4", "judge_name": "GPT-5.4", "respondent_key": "deepseek_v4", "respondent_name": "DeepSeek V4", "weighted_score": 6.35, "brief_justification": "Well-structured and covers all requested features at a high level, but several implementation details undermine production-worthiness: delayed retries are not actually respected because heap ordering ignores timestamp, priority FIFO ordering is not guaranteed, graceful shutdown may abandon queued tasks, and dedupe/worker-type design is simplistic. Still, it is readable and demonstrates the requested concepts with 3 task function types." }, { "judge_key": "gpt_5_4", "judge_name": "GPT-5.4", "respondent_key": "gpt_oss_120b", "respondent_name": "GPT-OSS-120B", "weighted_score": 3.65, "brief_justification": "The response is clearly written and outlines the right architecture, but the provided implementation is truncated and incomplete, so key requirements are not fully demonstrated or verifiable. It does not actually include the full working code, the dead-letter handling, graceful shutdown semantics, dedup lifecycle, and the requested demo with 3 worker types cannot be confirmed from the partial response." }, { "judge_key": "gpt_5_4", "judge_name": "GPT-5.4", "respondent_key": "gemini_3_flash", "respondent_name": "Gemini 3 Flash Preview", "weighted_score": 6.75, "brief_justification": "Clear and mostly functional, covering the requested features at a basic level. However, several production-worthiness issues reduce correctness: sync tasks run inline and can block the event loop, backoff is implemented by sleeping inside workers rather than scheduling retries separately, graceful shutdown can hang because workers block on queue.get(), and the demo shows task types rather than distinct worker types. Deduplication and DLQ are present but simplified." }, { "judge_key": "gpt_5_4", "judge_name": "GPT-5.4", "respondent_key": "minimax_m25", "respondent_name": "MiniMax M2.5", "weighted_score": 0.65, "brief_justification": "The response is essentially incomplete and truncated. It only starts an architecture overview, provides no actual implementation or demonstration, and does not satisfy the requested features in a usable way." }, { "judge_key": "gpt_5_4", "judge_name": "GPT-5.4", "respondent_key": "mimo_v2_flash", "respondent_name": "MiMo-V2-Flash", "weighted_score": 4.4, "brief_justification": "The response is partially well-structured and includes many requested features, but the code is incomplete and cut off, so the demonstration is missing. It also has a significant graceful shutdown flaw: setting shutdown before queue.join can let workers exit before draining the queue. Retry/backoff, DLQ, priority, and dedup concepts are present, but the production-worthiness claim is undermined by the incomplete example and shutdown logic." }, { "judge_key": "claude_opus_46", "judge_name": "Claude Opus 4.6", "respondent_key": "gpt_5_4", "respondent_name": "GPT-5.4", "weighted_score": 5.5, "brief_justification": "The response is well-structured with clear design documentation and good architectural decisions (priority queue with heap, deduplication, retry policy with exponential backoff). However, the code is critically incomplete - it cuts off mid-function in _schedule_task, missing the scheduler loop, worker loop, retry logic, dead letter queue handling, graceful shutdown implementation, signal handling, and most importantly the entire demonstration with 3 worker types. Since the question specifically " }, { "judge_key": "claude_opus_46", "judge_name": "Claude Opus 4.6", "respondent_key": "claude_sonnet_46", "respondent_name": "Claude Sonnet 4.6", "weighted_score": 4.7, "brief_justification": "The response provides a well-structured architecture overview and begins a solid implementation with good data models (Task, RetryPolicy, Priority, Metrics, DeadLetterQueue). However, the code is critically incomplete - it cuts off mid-implementation without the core TaskQueue class, worker pool, task deduplication logic, graceful shutdown handling, the actual worker execution loop, retry scheduling, or the demonstration with 3 worker types. The parts that are present show good design patterns (" }, { "judge_key": "claude_opus_46", "judge_name": "Claude Opus 4.6", "respondent_key": "grok_420", "respondent_name": "Grok 4.20", "weighted_score": 7.2, "brief_justification": "The implementation covers all requested features: async worker pool, retry with exponential backoff, dead letter queue, priority levels, task deduplication, and graceful shutdown, with 3 worker types in the demo. However, there are several issues: (1) The response appears truncated - the demo function is incomplete, missing the await for processing and shutdown call. (2) The priority queue uses deques sorted by priority level but doesn't use a proper heap/priority queue, meaning within-priority " }, { "judge_key": "claude_opus_46", "judge_name": "Claude Opus 4.6", "respondent_key": "deepseek_v4", "respondent_name": "DeepSeek V4", "weighted_score": 6.6, "brief_justification": "The implementation covers all requested features at a surface level but has several correctness issues. The exponential backoff doesn't actually delay execution - the timestamp field is used for ordering but the worker doesn't check if the scheduled time has passed before executing. The failing_worker uses `loop.time() % 1` which doesn't properly simulate random failures. The deduplication cache is cleared on task completion, which means the same task could be re-added after completion - arguabl" }, { "judge_key": "claude_opus_46", "judge_name": "Claude Opus 4.6", "respondent_key": "gpt_oss_120b", "respondent_name": "GPT-OSS-120B", "weighted_score": 4.45, "brief_justification": "The response is cut off mid-code - the implementation is incomplete, missing the end of _delayed_requeue, the _worker_loop completion, the deduplication cleanup on task completion, and most critically the entire demonstration with 3 worker types. The design concepts described are sound and the code that is present is well-structured with good logging and documentation, but since the code literally cannot run as provided, it fails on correctness and completeness. The architectural explanation and" }, { "judge_key": "claude_sonnet_46", "judge_name": "Claude Sonnet 4.6", "respondent_key": "minimax_m25", "respondent_name": "MiniMax M2.5", "weighted_score": 1.2, "brief_justification": "The response is severely incomplete - it only contains an architecture overview introduction that cuts off mid-sentence. No actual implementation code was provided, no worker pool, no retry logic, no dead letter queue, no priority levels, no deduplication, no graceful shutdown, and no demonstration with 3 worker types. The response fails to deliver on any of the core requirements." }, { "judge_key": "claude_opus_46", "judge_name": "Claude Opus 4.6", "respondent_key": "gemini_3_flash", "respondent_name": "Gemini 3 Flash Preview", "weighted_score": 7.2, "brief_justification": "The implementation covers all requested features (async worker pool, retry with exponential backoff, DLQ, priority levels, deduplication, graceful shutdown) and includes 3 worker types. However, there are several correctness/production-worthiness issues: (1) The _worker loop will hang on `await self._queue.get()` after `_running` is set to False during shutdown, relying on cancellation rather than clean exit. (2) The graceful shutdown has a race condition - `_queue.join()` will block forever if " }, { "judge_key": "claude_opus_46", "judge_name": "Claude Opus 4.6", "respondent_key": "minimax_m25", "respondent_name": "MiniMax M2.5", "weighted_score": 1.65, "brief_justification": "The response is severely incomplete - it only provides a brief architecture overview with two bullet points and no actual code implementation. It promises a 'complete, production-grade implementation' but delivers almost nothing. There is no task queue code, no async worker pool, no retry logic, no dead letter queue, no priority levels, no deduplication, no graceful shutdown, and no demonstration with 3 worker types. The response appears to be truncated after just the beginning of an outline." }, { "judge_key": "claude_opus_46", "judge_name": "Claude Opus 4.6", "respondent_key": "mimo_v2_flash", "respondent_name": "MiMo-V2-Flash", "weighted_score": 6.25, "brief_justification": "The response demonstrates solid architectural understanding and clean code structure with proper use of asyncio primitives, priority queue, deduplication, retry with jitter, and DLQ. However, the code is truncated - the main() function and demonstration are cut off, meaning we never see the full demo with 3 worker types running. There's also a logical issue in shutdown(): setting shutdown_event before queue.join() means workers will exit their loops before processing remaining items, creating a " }, { "judge_key": "gemini_31_pro", "judge_name": "Gemini 3.1 Pro", "respondent_key": "gpt_5_4", "respondent_name": "GPT-5.4", "weighted_score": 5.6, "brief_justification": "The response provides a solid architectural foundation and clean code, but is abruptly cut off mid-implementation, missing the rest of the class and the requested demonstration." }, { "judge_key": "gemini_31_pro", "judge_name": "Gemini 3.1 Pro", "respondent_key": "claude_opus_46", "respondent_name": "Claude Opus 4.6", "weighted_score": 6.25, "brief_justification": "The response starts with an excellent architecture and solid foundational classes, but it is severely truncated, missing the core queue implementation, worker pool, retry logic, graceful shutdown, and the requested demonstration." }, { "judge_key": "gemini_31_pro", "judge_name": "Gemini 3.1 Pro", "respondent_key": "claude_sonnet_46", "respondent_name": "Claude Sonnet 4.6", "weighted_score": 5.45, "brief_justification": "The response provides a well-structured foundation with excellent data models, but it is severely incomplete, cutting off before implementing the core task queue, worker pool, graceful shutdown, and the requested demonstration." }, { "judge_key": "gemini_31_pro", "judge_name": "Gemini 3.1 Pro", "respondent_key": "grok_420", "respondent_name": "Grok 4.20", "weighted_score": 7, "brief_justification": "" }, { "judge_key": "gemini_31_pro", "judge_name": "Gemini 3.1 Pro", "respondent_key": "deepseek_v4", "respondent_name": "DeepSeek V4", "weighted_score": 6.35, "brief_justification": "" }, { "judge_key": "gemini_31_pro", "judge_name": "Gemini 3.1 Pro", "respondent_key": "gpt_oss_120b", "respondent_name": "GPT-OSS-120B", "weighted_score": 6.2, "brief_justification": "The response provides a well-designed and accurate implementation up to a point, but it cuts off mid-code and completely misses the requested demonstration with 3 worker types." }, { "judge_key": "gemini_31_pro", "judge_name": "Gemini 3.1 Pro", "respondent_key": "gemini_3_flash", "respondent_name": "Gemini 3 Flash Preview", "weighted_score": 6.3, "brief_justification": "" }, { "judge_key": "gemini_31_pro", "judge_name": "Gemini 3.1 Pro", "respondent_key": "minimax_m25", "respondent_name": "MiniMax M2.5", "weighted_score": 0.4, "brief_justification": "The response is severely truncated and fails to provide the requested code, implementation, or demonstration." }, { "judge_key": "gemini_31_pro", "judge_name": "Gemini 3.1 Pro", "respondent_key": "mimo_v2_flash", "respondent_name": "MiMo-V2-Flash", "weighted_score": 4.6, "brief_justification": "" }, { "judge_key": "claude_sonnet_46", "judge_name": "Claude Sonnet 4.6", "respondent_key": "gpt_5_4", "respondent_name": "GPT-5.4", "weighted_score": 6.85, "brief_justification": "The response demonstrates strong design thinking with well-structured code covering most required features (async worker pool, retry with exponential backoff, dead letter queue, priority levels, task deduplication, graceful shutdown). The explanation and architecture are clear and well-documented. However, the implementation is incomplete - the code is cut off mid-sentence at `_schedule_task`, meaning the scheduler loop, worker loop, and the promised demonstration with 3 worker types are missing" }, { "judge_key": "claude_sonnet_46", "judge_name": "Claude Sonnet 4.6", "respondent_key": "claude_opus_46", "respondent_name": "Claude Opus 4.6", "weighted_score": 6.65, "brief_justification": "The implementation demonstrates strong architectural design with correct use of asyncio primitives, proper priority queue implementation using heapq, content-based deduplication, and well-structured code. However, the response is truncated mid-implementation - the metrics summary is cut off, the worker pool implementation is missing, the retry/exponential backoff logic is absent, the graceful shutdown mechanism isn't shown, and the demonstration with 3 worker types is completely missing. What ex" }, { "judge_key": "claude_sonnet_46", "judge_name": "Claude Sonnet 4.6", "respondent_key": "gemini_31_pro", "respondent_name": "Gemini 3.1 Pro", "weighted_score": 1, "brief_justification": "The response appears to be a fragment of code/text, not a complete implementation. It's missing virtually all required components: async worker pool, retry with exponential backoff, dead letter queue, priority levels, task deduplication, graceful shutdown, and the demonstration with 3 worker types. What's shown is just a snippet about tracking in-flight tasks, which is incomplete and non-functional on its own." }, { "judge_key": "claude_sonnet_46", "judge_name": "Claude Sonnet 4.6", "respondent_key": "grok_420", "respondent_name": "Grok 4.20", "weighted_score": 8.35, "brief_justification": "The implementation is solid and covers all requested features: async worker pool, exponential backoff retry, dead letter queue, priority levels, task deduplication, and graceful shutdown using only asyncio and standard library. The code is well-structured with clear separation of concerns. Minor issues: the deduplication uses hash of string representation which could have collisions; the priority queue implementation using deque per priority level is functional but could miss scheduled future ta" }, { "judge_key": "claude_sonnet_46", "judge_name": "Claude Sonnet 4.6", "respondent_key": "deepseek_v4", "respondent_name": "DeepSeek V4", "weighted_score": 7.4, "brief_justification": "The implementation covers all requested features and is well-structured. However, there are notable issues: the exponential backoff uses timestamp-based delay but get_task() doesn't actually check if the timestamp has passed (tasks with future timestamps are immediately available), making the backoff ineffective. The failing_worker uses a non-deterministic condition based on loop time modulo rather than a clean random probability. The shutdown mechanism has a race condition where workers may not" }, { "judge_key": "claude_sonnet_46", "judge_name": "Claude Sonnet 4.6", "respondent_key": "gpt_oss_120b", "respondent_name": "GPT-OSS-120B", "weighted_score": 8, "brief_justification": "The implementation is well-structured, technically sound, and covers most requirements with good explanations. However, the response is truncated at the end (cut off mid-sentence during the retry requeue logic), missing the delayed_requeue method implementation, the demonstration with 3 worker types, graceful shutdown signal handling, and the dead letter queue drain/inspection code. The partial code shown is high quality with proper use of asyncio primitives, deduplication, exponential backoff w" }, { "judge_key": "claude_sonnet_46", "judge_name": "Claude Sonnet 4.6", "respondent_key": "gemini_3_flash", "respondent_name": "Gemini 3 Flash Preview", "weighted_score": 8.15, "brief_justification": "The implementation is well-structured and covers all requested features: async worker pool, exponential backoff, DLQ, priority levels, deduplication, and graceful shutdown using only asyncio and standard library. The code is clean and well-commented. Minor issues: sync tasks are called directly without run_in_executor (blocking the event loop), the dedup_set isn't thread-safe for concurrent enqueues (minor in asyncio context), and the retry logic re-enqueues immediately after sleep rather than u" }, { "judge_key": "gpt_oss_120b", "judge_name": "GPT-OSS-120B", "respondent_key": "gemini_3_flash", "respondent_name": "Gemini 3 Flash Preview", "weighted_score": 8.8, "brief_justification": "The answer delivers a functional asyncio‑only task queue covering all requested features, with clear code and explanations; minor edge‑case handling could be refined, but overall it is accurate and practical." }, { "judge_key": "claude_sonnet_46", "judge_name": "Claude Sonnet 4.6", "respondent_key": "mimo_v2_flash", "respondent_name": "MiMo-V2-Flash", "weighted_score": 8, "brief_justification": "The implementation is technically sound with correct use of asyncio primitives, proper exponential backoff with jitter, deduplication via sets with locking, DLQ routing, and priority queue. The code is well-structured and clearly commented. However, the response is cut off before completing the main() demonstration, missing the retry/DLQ test and the full execution. The shutdown logic has a subtle issue: setting shutdown_event before queue.join() means workers may stop checking for tasks while i" }, { "judge_key": "grok_420", "judge_name": "Grok 4.20", "respondent_key": "gpt_5_4", "respondent_name": "GPT-5.4", "weighted_score": 6.05, "brief_justification": "The code is a solid partial implementation of an async task queue with good design for most requested features (priority, retries, dedup, graceful shutdown). However, it is incomplete (truncated at the end of _schedule_task), missing critical methods like the scheduler loop, worker loop, task execution with retries/backoff, dead letter handling, and the full demonstration with 3 worker types. This makes it non-functional as presented." }, { "judge_key": "grok_420", "judge_name": "Grok 4.20", "respondent_key": "claude_opus_46", "respondent_name": "Claude Opus 4.6", "weighted_score": 7.9, "brief_justification": "The code is well-structured, logically sound, and implements most requested features using only stdlib/asyncio. However, the response is truncated mid-metrics method and lacks the full worker pool, retry scheduler, task deduplication enforcement, graceful shutdown handler, and the required demonstration with 3 worker types, making it incomplete as a production-ready implementation." }, { "judge_key": "grok_420", "judge_name": "Grok 4.20", "respondent_key": "gemini_31_pro", "respondent_name": "Gemini 3.1 Pro", "weighted_score": 1.85, "brief_justification": "The provided response is a tiny, incomplete code fragment that does not address the question. It fails to build or demonstrate any of the requested features (async worker pool, retries, DLQ, priorities, deduplication, graceful shutdown, or demo with 3 worker types)." }, { "judge_key": "grok_420", "judge_name": "Grok 4.20", "respondent_key": "claude_sonnet_46", "respondent_name": "Claude Sonnet 4.6", "weighted_score": 8.6, "brief_justification": "The implementation is comprehensive, logically sound, and covers all requested features with clean code and good explanations. Minor incompleteness as the full code appears truncated at the end, but the provided portion is production-worthy and demonstrates 3 worker types via extensible design." }, { "judge_key": "grok_420", "judge_name": "Grok 4.20", "respondent_key": "deepseek_v4", "respondent_name": "DeepSeek V4", "weighted_score": 6.6, "brief_justification": "Implements most requested features using only stdlib/asyncio. Priority queue and backoff are present but flawed (timestamp-based delay in heap doesn't work as intended; dedup cache is never cleared on failure paths). Code has bugs (e.g. failing_worker uses wall time incorrectly, get_task busy-waits, shutdown doesn't drain queue). Demonstration runs but doesn't fully showcase production-worthiness. Documentation and structure are clear." }, { "judge_key": "grok_420", "judge_name": "Grok 4.20", "respondent_key": "gpt_oss_120b", "respondent_name": "GPT-OSS-120B", "weighted_score": 6.05, "brief_justification": "The code is a solid partial implementation of the requested task queue with good structure and explanations. However, it is incomplete: the _delayed_requeue method is missing, graceful shutdown does not fully handle in-flight tasks or deduplication cleanup, and the demonstration with 3 worker types is entirely absent as the code cuts off mid-function." }, { "judge_key": "grok_420", "judge_name": "Grok 4.20", "respondent_key": "gemini_3_flash", "respondent_name": "Gemini 3 Flash Preview", "weighted_score": 6.2, "brief_justification": "The code covers most requested features but has significant flaws: deduplication is incomplete (tasks removed only on final success/DLQ, not on retry), shutdown is not fully graceful for in-flight tasks, and the worker loop does not properly handle task cancellation or pending retries during shutdown. Priority and async/sync handling work, but retries re-enqueue without updating the heap order correctly in some edge cases." }, { "judge_key": "grok_420", "judge_name": "Grok 4.20", "respondent_key": "minimax_m25", "respondent_name": "MiniMax M2.5", "weighted_score": 2.85, "brief_justification": "The response is incomplete and does not provide any actual code or implementation. It only includes a partial architecture overview that cuts off mid-sentence, failing to deliver the requested task queue with all specified features or the demonstration." }, { "judge_key": "grok_420", "judge_name": "Grok 4.20", "respondent_key": "mimo_v2_flash", "respondent_name": "MiMo-V2-Flash", "weighted_score": 6.4, "brief_justification": "The implementation covers most requested features with good structure and explanations, but is incomplete (main() is truncated, deduplication has flaws as completed_tasks are never cleaned, graceful shutdown doesn't fully drain in-flight tasks, and no demonstration of 3 worker types running together). Code has logical issues like sleeping inside the worker loop instead of using scheduled retries properly." }, { "judge_key": "deepseek_v4", "judge_name": "DeepSeek V4", "respondent_key": "gpt_5_4", "respondent_name": "GPT-5.4", "weighted_score": 8.6, "brief_justification": "Comprehensive and well-structured with practical implementation details." }, { "judge_key": "deepseek_v4", "judge_name": "DeepSeek V4", "respondent_key": "claude_opus_46", "respondent_name": "Claude Opus 4.6", "weighted_score": 8.6, "brief_justification": "Detailed implementation with all requested features, clear architecture, and practical demonstration." }, { "judge_key": "deepseek_v4", "judge_name": "DeepSeek V4", "respondent_key": "gemini_31_pro", "respondent_name": "Gemini 3.1 Pro", "weighted_score": 6, "brief_justification": "Partial implementation with some critical features missing like priority levels and task deduplication. Code is clear but incomplete." }, { "judge_key": "deepseek_v4", "judge_name": "DeepSeek V4", "respondent_key": "claude_sonnet_46", "respondent_name": "Claude Sonnet 4.6", "weighted_score": 9.2, "brief_justification": "Comprehensive and well-structured implementation with all requested features." }, { "judge_key": "deepseek_v4", "judge_name": "DeepSeek V4", "respondent_key": "grok_420", "respondent_name": "Grok 4.20", "weighted_score": 8.6, "brief_justification": "Comprehensive implementation with all requested features, well-structured and practical." }, { "judge_key": "deepseek_v4", "judge_name": "DeepSeek V4", "respondent_key": "gpt_oss_120b", "respondent_name": "GPT-OSS-120B", "weighted_score": 9.2, "brief_justification": "Comprehensive and well-structured implementation meeting all requirements with clear documentation." }, { "judge_key": "deepseek_v4", "judge_name": "DeepSeek V4", "respondent_key": "gemini_3_flash", "respondent_name": "Gemini 3 Flash Preview", "weighted_score": 8.8, "brief_justification": "Comprehensive implementation with clear demonstration of all requested features." }, { "judge_key": "deepseek_v4", "judge_name": "DeepSeek V4", "respondent_key": "mimo_v2_flash", "respondent_name": "MiMo-V2-Flash", "weighted_score": 8.8, "brief_justification": "Comprehensive and well-structured implementation with all requested features." }, { "judge_key": "gpt_oss_120b", "judge_name": "GPT-OSS-120B", "respondent_key": "gpt_5_4", "respondent_name": "GPT-5.4", "weighted_score": 3.4, "brief_justification": "The response outlines a design and starts a code implementation, but the code is incomplete and missing key components like the scheduler loop, worker loop, retry logic, dead-letter handling, and the demonstration of three worker types, limiting its correctness, completeness, and practical usefulness." }, { "judge_key": "gpt_oss_120b", "judge_name": "GPT-OSS-120B", "respondent_key": "claude_opus_46", "respondent_name": "Claude Opus 4.6", "weighted_score": 4.65, "brief_justification": "The answer outlines a solid design and includes partial implementation, but the code is truncated, missing the worker execution loop and demo, reducing overall correctness, completeness, and practical usefulness." }, { "judge_key": "gpt_oss_120b", "judge_name": "GPT-OSS-120B", "respondent_key": "gemini_31_pro", "respondent_name": "Gemini 3.1 Pro", "weighted_score": 1.45, "brief_justification": "Response is an incomplete code fragment that fails to address most required features, lacks explanation, and provides little practical value." }, { "judge_key": "gpt_oss_120b", "judge_name": "GPT-OSS-120B", "respondent_key": "claude_sonnet_46", "respondent_name": "Claude Sonnet 4.6", "weighted_score": 5.85, "brief_justification": "The answer outlines many components with clear code style, but omits core worker pool, deduplication, graceful shutdown, and demo, limiting completeness and practical usefulness." }, { "judge_key": "gpt_oss_120b", "judge_name": "GPT-OSS-120B", "respondent_key": "grok_420", "respondent_name": "Grok 4.20", "weighted_score": 8.2, "brief_justification": "Implements all requested features with clear async design and demo, minor code glitches (truncated print, edge-case task selection) prevent full correctness but overall functional and insightful." }, { "judge_key": "gpt_oss_120b", "judge_name": "GPT-OSS-120B", "respondent_key": "deepseek_v4", "respondent_name": "DeepSeek V4", "weighted_score": 7.5, "brief_justification": "Implements most requested features and includes a clear demo, but backoff and delayed execution are not correctly handled, affecting full correctness." }, { "judge_key": "gpt_oss_120b", "judge_name": "GPT-OSS-120B", "respondent_key": "mimo_v2_flash", "respondent_name": "MiMo-V2-Flash", "weighted_score": 7, "brief_justification": "The answer provides a functional asyncio‑only implementation covering all required features and shows three handler types, but the demo is cut off and there are minor logical issues (e.g., shutdown ordering, task_done handling) that affect full correctness and completeness." }, { "judge_key": "gemini_3_flash", "judge_name": "Gemini 3 Flash Preview", "respondent_key": "gpt_5_4", "respondent_name": "GPT-5.4", "weighted_score": 8.6, "brief_justification": "The implementation is high quality, using appropriate data structures like PriorityQueue and a heap for scheduling. It covers all requested features including exponential backoff and deduplication. The response was cut off at the very end of the code block, but the core logic is present and correct." }, { "judge_key": "gemini_3_flash", "judge_name": "Gemini 3 Flash Preview", "respondent_key": "claude_opus_46", "respondent_name": "Claude Opus 4.6", "weighted_score": 9, "brief_justification": "The implementation is highly professional, using appropriate data structures like heapq for priority and implementing complex logic like exponential backoff with jitter. The response was cut off at the very end (metrics summary), but the core logic for the task queue, workers, and DLQ is complete and correct." }, { "judge_key": "gemini_3_flash", "judge_name": "Gemini 3 Flash Preview", "respondent_key": "gemini_31_pro", "respondent_name": "Gemini 3.1 Pro", "weighted_score": 1.45, "brief_justification": "The response is a fragmented snippet of code and text that does not fulfill the prompt's requirements. It fails to provide a complete, working implementation of the requested task queue." }, { "judge_key": "gemini_3_flash", "judge_name": "Gemini 3 Flash Preview", "respondent_key": "claude_sonnet_46", "respondent_name": "Claude Sonnet 4.6", "weighted_score": 9.6, "brief_justification": "The implementation is exceptionally high quality, using modern Python type hinting and robust patterns. It correctly implements a priority queue using time.monotonic() for FIFO stability, includes a sophisticated retry policy with jitter, and provides clear metrics. While the code snippet was cut off at the end, the provided logic for the core components is production-grade." }, { "judge_key": "gemini_3_flash", "judge_name": "Gemini 3 Flash Preview", "respondent_key": "grok_420", "respondent_name": "Grok 4.20", "weighted_score": 9.55, "brief_justification": "The implementation is excellent, covering all requested features including exponential backoff, DLQ, and deduplication using only the standard library. The code is clean, well-documented, and the demo effectively showcases the worker types." }, { "judge_key": "gemini_3_flash", "judge_name": "Gemini 3 Flash Preview", "respondent_key": "deepseek_v4", "respondent_name": "DeepSeek V4", "weighted_score": 9.35, "brief_justification": "The implementation is excellent and covers all requirements using only the standard library. It uses a heapq for priority management and includes a robust demonstration. One minor logical point: the exponential backoff is implemented by re-adding to the heap with a future timestamp, but the worker's get_task loop doesn't explicitly check if the timestamp has passed before popping, meaning it might process 'delayed' tasks immediately if the queue is otherwise empty. However, for a 'simple' implem" }, { "judge_key": "gemini_3_flash", "judge_name": "Gemini 3 Flash Preview", "respondent_key": "gpt_oss_120b", "respondent_name": "GPT-OSS-120B", "weighted_score": 9, "brief_justification": "The implementation is high-quality, using idiomatic asyncio and addressing all requirements. The code was slightly cut off at the very end of the response, but the core logic is complete and functional." }, { "judge_key": "gemini_3_flash", "judge_name": "Gemini 3 Flash Preview", "respondent_key": "minimax_m25", "respondent_name": "MiniMax M2.5", "weighted_score": 3.05, "brief_justification": "The response is severely incomplete, cutting off after the initial architecture overview without providing any actual code implementation or the requested demonstration." }, { "judge_key": "gemini_3_flash", "judge_name": "Gemini 3 Flash Preview", "respondent_key": "mimo_v2_flash", "respondent_name": "MiMo-V2-Flash", "weighted_score": 9.15, "brief_justification": "The implementation is excellent, covering all requested features with high-quality code. It uses asyncio.PriorityQueue correctly for priority levels, implements exponential backoff with jitter, and handles deduplication and graceful shutdown effectively. The code is production-worthy for a pure-Python solution." }, { "judge_key": "minimax_m25", "judge_name": "MiniMax M2.5", "respondent_key": "gpt_5_4", "respondent_name": "GPT-5.4", "weighted_score": 6.15, "brief_justification": "Code appears well-designed with proper async patterns, but response is truncated mid-implementation - the _schedule_task method is incomplete, no worker loop shown, and no demonstration with 3 worker types included. The implementation cuts off abruptly." }, { "judge_key": "minimax_m25", "judge_name": "MiniMax M2.5", "respondent_key": "claude_opus_46", "respondent_name": "Claude Opus 4.6", "weighted_score": 7.3, "brief_justification": "Well-architected solution with proper async patterns, priority queue, deduplication, and DLQ. However, response is truncated mid-implementation - missing graceful shutdown code and the required 3 worker type demonstration. The core architecture is solid but incomplete." }, { "judge_key": "minimax_m25", "judge_name": "MiniMax M2.5", "respondent_key": "gemini_31_pro", "respondent_name": "Gemini 3.1 Pro", "weighted_score": 1.2, "brief_justification": "Response is severely incomplete - only contains a fragmented code snippet that appears to be cut off. Does not provide the requested task queue implementation with async worker pool, retry logic, DLQ, priority levels, deduplication, graceful shutdown, or worker demonstrations." }, { "judge_key": "minimax_m25", "judge_name": "MiniMax M2.5", "respondent_key": "claude_sonnet_46", "respondent_name": "Claude Sonnet 4.6", "weighted_score": 5.8, "brief_justification": "Response shows excellent design with proper data models, retry policy with jitter, and metrics, but is severely incomplete - cuts off before showing the TaskQueue class, worker pool implementation, and demonstration with 3 worker types. Cannot be run as provided." }, { "judge_key": "minimax_m25", "judge_name": "MiniMax M2.5", "respondent_key": "grok_420", "respondent_name": "Grok 4.20", "weighted_score": 8.6, "brief_justification": "Comprehensive implementation covering all requested features with correct async patterns. Minor issue with incomplete print statement at end. Well-structured with good demo." }, { "judge_key": "minimax_m25", "judge_name": "MiniMax M2.5", "respondent_key": "deepseek_v4", "respondent_name": "DeepSeek V4", "weighted_score": 7.75, "brief_justification": "Comprehensive implementation covering all requested features with working async worker pool, retry logic, DLQ, priorities, deduplication, and graceful shutdown. Code is well-structured and runnable. Minor issues include unbounded deduplication cache, some potential race conditions, and retry tasks always requeued at MEDIUM priority rather than preserving original priority." }, { "judge_key": "minimax_m25", "judge_name": "MiniMax M2.5", "respondent_key": "gpt_oss_120b", "respondent_name": "GPT-OSS-120B", "weighted_score": 6.5, "brief_justification": "Implementation shows correct async patterns and covers most required features, but response is cut off mid-implementation (ends abruptly with incomplete code). Missing: complete delayed_requeue method, signal handling setup, and demonstration with 3 worker types as requested." }, { "judge_key": "minimax_m25", "judge_name": "MiniMax M2.5", "respondent_key": "gemini_3_flash", "respondent_name": "Gemini 3 Flash Preview", "weighted_score": 8.2, "brief_justification": "Comprehensive implementation covering all required features with clear explanations. Minor issues include potential race conditions in deduplication and lack of timeout handling. Well-structured code with good logging and demonstration of 3 worker types." }, { "judge_key": "minimax_m25", "judge_name": "MiniMax M2.5", "respondent_key": "mimo_v2_flash", "respondent_name": "MiMo-V2-Flash", "weighted_score": 7.8, "brief_justification": "Well-architected implementation with all requested features. Minor bug in deduplication logic (active_tasks not cleaned before retry re-queue) and unbounded completed_tasks set. The main() function is cut off/incomplete. Otherwise excellent use of asyncio primitives, proper priority queue, exponential backoff with jitter, and graceful shutdown." }, { "judge_key": "mimo_v2_flash", "judge_name": "MiMo-V2-Flash", "respondent_key": "gpt_5_4", "respondent_name": "GPT-5.4", "weighted_score": 9, "brief_justification": "Excellent implementation covering all requirements. Code is cut off at the end but logic is clear from context. Minor deduction for incomplete snippet." }, { "judge_key": "mimo_v2_flash", "judge_name": "MiMo-V2-Flash", "respondent_key": "claude_opus_46", "respondent_name": "Claude Opus 4.6", "weighted_score": 8.6, "brief_justification": "The response provides a highly robust, production-ready implementation covering all requested features (async, retry, DLQ, priority, dedup, graceful shutdown). The code is well-structured and includes excellent observability (metrics/logging). The only minor deduction is that the demonstration code is cut off at the end, but the core implementation is complete and exemplary." }, { "judge_key": "mimo_v2_flash", "judge_name": "MiMo-V2-Flash", "respondent_key": "gemini_31_pro", "respondent_name": "Gemini 3.1 Pro", "weighted_score": 2, "brief_justification": "The response is a fragmented code snippet that fails to address the core requirements (async worker pool, retry, DLQ, priority, deduplication, graceful shutdown). It appears incomplete and does not provide a working solution or demonstration." }, { "judge_key": "mimo_v2_flash", "judge_name": "MiMo-V2-Flash", "respondent_key": "claude_sonnet_46", "respondent_name": "Claude Sonnet 4.6", "weighted_score": 8.8, "brief_justification": "Comprehensive implementation covering all requested features with clear structure and practical demonstration." }, { "judge_key": "mimo_v2_flash", "judge_name": "MiMo-V2-Flash", "respondent_key": "grok_420", "respondent_name": "Grok 4.20", "weighted_score": 8.6, "brief_justification": "Comprehensive implementation covering all requested features with clear structure and practical demo." }, { "judge_key": "mimo_v2_flash", "judge_name": "MiMo-V2-Flash", "respondent_key": "deepseek_v4", "respondent_name": "DeepSeek V4", "weighted_score": 8.55, "brief_justification": "Implementation covers all requested features with clear code and demonstration. Minor issues: deduplication cache not cleared on successful completion, and priority handling for retries could be improved." }, { "judge_key": "mimo_v2_flash", "judge_name": "MiMo-V2-Flash", "respondent_key": "gpt_oss_120b", "respondent_name": "GPT-OSS-120B", "weighted_score": 8.6, "brief_justification": "Implementation is robust and covers all requirements. Minor deduction for completeness as the provided code snippet is truncated mid-sentence, though the logic is clear." }, { "judge_key": "mimo_v2_flash", "judge_name": "MiMo-V2-Flash", "respondent_key": "gemini_3_flash", "respondent_name": "Gemini 3 Flash Preview", "weighted_score": 8.6, "brief_justification": "The implementation is highly functional and adheres to the constraints. Minor issues exist (e.g., race condition in deduplication set cleanup, potential blocking in sync function execution), but the core logic is sound and well-explained." }, { "judge_key": "mimo_v2_flash", "judge_name": "MiMo-V2-Flash", "respondent_key": "minimax_m25", "respondent_name": "MiniMax M2.5", "weighted_score": 4.3, "brief_justification": "Response is incomplete, only outlines architecture without implementation. Lacks demonstration, retry logic, dead letter queue, and other required features." } ], "meta": { "source": "The Multivac (app.themultivac.com)", "methodology": "10x10 blind peer matrix evaluation", "criteria": "correctness, completeness, clarity, depth, usefulness", "self_judgments": "excluded from rankings", "license": "Open data — cite as: The Multivac (2026)" } }