{ "evaluation_id": "EVAL-20260207-142431", "question_id": "CODE-008", "question_text": "Implement a production-ready API rate limiter with the following requirements:\n1. Token bucket algorithm\n2. Support for different rate limits per API key\n3. Redis backend for distributed systems\n4. Graceful degradation when Redis is unavailable\n5. Proper async support\n6. Comprehensive logging\n\nInclude the main class, Redis integration, and a FastAPI middleware example.", "category": "code", "timestamp": "2026-03-03T00:00:00.000Z", "display_date": "Mar 03, 2026", "winner": { "name": "GPT-5.2-Codex", "provider": "OpenAI", "score": 9.16 }, "avg_score": 7.316, "matrix_size": 90, "models_used": [ { "id": "minimax_m2", "name": "MiniMax M2", "provider": "MiniMax" }, { "id": "glm_4_7", "name": "GLM-4-7", "provider": "Zhipu" }, { "id": "claude_opus", "name": "Claude Opus 4.5", "provider": "Anthropic" }, { "id": "gemini_3_flash", "name": "Gemini 3 Flash Preview", "provider": "Google" }, { "id": "grok_code_fast", "name": "Grok Code Fast", "provider": "xAI" }, { "id": "claude_sonnet", "name": "Claude Sonnet 4.5", "provider": "Anthropic" }, { "id": "gemini_3_pro", "name": "Gemini 3 Pro Preview", "provider": "Google" }, { "id": "deepseek_v3", "name": "DeepSeek V3.2", "provider": "DeepSeek" }, { "id": "gpt_codex", "name": "GPT-5.2-Codex", "provider": "OpenAI" }, { "id": "grok_direct", "name": "Grok 3 (Direct)", "provider": "xAI" } ], "rankings": { "gpt_codex": { "display_name": "GPT-5.2-Codex", "provider": "OpenAI", "average_score": 9.16, "score_count": 8, "min_score": 8.6, "max_score": 9.8, "rank": 1 }, "gemini_3_flash": { "display_name": "Gemini 3 Flash Preview", "provider": "Google", "average_score": 9.09, "score_count": 8, "min_score": 8.6, "max_score": 9.8, "rank": 2 }, "grok_code_fast": { "display_name": "Grok Code Fast", "provider": "xAI", "average_score": 8.99, "score_count": 8, "min_score": 8.2, "max_score": 9.8, "rank": 3 }, "grok_direct": { "display_name": "Grok 3 (Direct)", "provider": "xAI", "average_score": 8, "score_count": 8, "min_score": 6.75, "max_score": 9.35, "rank": 4 }, "deepseek_v3": { "display_name": "DeepSeek V3.2", "provider": "DeepSeek", "average_score": 7.48, "score_count": 9, "min_score": 5.65, "max_score": 8.8, "rank": 5 }, "claude_sonnet": { "display_name": "Claude Sonnet 4.5", "provider": "Anthropic", "average_score": 6.91, "score_count": 9, "min_score": 3.05, "max_score": 9.6, "rank": 6 }, "glm_4_7": { "display_name": "GLM-4-7", "provider": "Zhipu", "average_score": 6.6, "score_count": 4, "min_score": 2, "max_score": 8.8, "rank": 7 }, "minimax_m2": { "display_name": "MiniMax M2", "provider": "MiniMax", "average_score": 6.5, "score_count": 4, "min_score": 2, "max_score": 8.8, "rank": 8 }, "claude_opus": { "display_name": "Claude Opus 4.5", "provider": "Anthropic", "average_score": 6.26, "score_count": 9, "min_score": 2.85, "max_score": 8.6, "rank": 9 }, "gemini_3_pro": { "display_name": "Gemini 3 Pro Preview", "provider": "Google", "average_score": 4.17, "score_count": 9, "min_score": 2.45, "max_score": 6.1, "rank": 10 } }, "judgments": [ { "judge_key": "gemini_3_pro", "judge_name": "Gemini 3 Pro Preview", "respondent_key": "minimax_m2", "respondent_name": "MiniMax M2", "weighted_score": 0, "brief_justification": "The provided response was empty, so no evaluation could be performed." }, { "judge_key": "gemini_3_pro", "judge_name": "Gemini 3 Pro Preview", "respondent_key": "glm_4_7", "respondent_name": "GLM-4-7", "weighted_score": 0, "brief_justification": "The response section was empty, so no code or explanation was provided to evaluate against the requirements." }, { "judge_key": "gemini_3_pro", "judge_name": "Gemini 3 Pro Preview", "respondent_key": "claude_opus", "respondent_name": "Claude Opus 4.5", "weighted_score": 4.25, "brief_justification": "The response is severely incomplete, cutting off mid-sentence before implementing the core token bucket logic, Redis backend, or FastAPI middleware required by the prompt." }, { "judge_key": "gemini_3_pro", "judge_name": "Gemini 3 Pro Preview", "respondent_key": "gemini_3_flash", "respondent_name": "Gemini 3 Flash Preview", "weighted_score": 0, "brief_justification": "" }, { "judge_key": "grok_code_fast", "judge_name": "Grok Code Fast", "respondent_key": "claude_opus", "respondent_name": "Claude Opus 4.5", "weighted_score": 7.65, "brief_justification": "The response provides a logically sound and accurate implementation of a token bucket rate limiter with Redis integration and FastAPI middleware, but it is incomplete as it cuts off mid-code, missing full details on key components like the token bucket logic and Redis backend implementation." }, { "judge_key": "grok_code_fast", "judge_name": "Grok Code Fast", "respondent_key": "gemini_3_flash", "respondent_name": "Gemini 3 Flash Preview", "weighted_score": 9.6, "brief_justification": "The implementation accurately addresses all specified requirements with correct token bucket logic, Redis atomic operations, and proper error handling, while providing thorough coverage, clear structure, insightful explanations of production considerations, and highly actionable code for real-world deployment." }, { "judge_key": "gemini_3_pro", "judge_name": "Gemini 3 Pro Preview", "respondent_key": "grok_code_fast", "respondent_name": "Grok Code Fast", "weighted_score": 0, "brief_justification": "" }, { "judge_key": "grok_code_fast", "judge_name": "Grok Code Fast", "respondent_key": "claude_sonnet", "respondent_name": "Claude Sonnet 4.5", "weighted_score": 7.65, "brief_justification": "The code implements a token bucket rate limiter with Redis and local fallback, covering most requirements like async support and logging, but is incomplete as it cuts off before finishing the main class and lacks the FastAPI middleware example." }, { "judge_key": "grok_code_fast", "judge_name": "Grok Code Fast", "respondent_key": "gemini_3_pro", "respondent_name": "Gemini 3 Pro Preview", "weighted_score": 4.6, "brief_justification": "The response starts with a correct partial implementation of the rate limiter class and Lua script, but it is abruptly cut off and omits critical components like graceful degradation, full Redis integration, and the FastAPI middleware example, rendering it incomplete and not production-ready." }, { "judge_key": "grok_code_fast", "judge_name": "Grok Code Fast", "respondent_key": "minimax_m2", "respondent_name": "MiniMax M2", "weighted_score": 2, "brief_justification": "The response does not address the question at all, instead instructing to provide scores, making it irrelevant and incorrect for the task." }, { "judge_key": "grok_code_fast", "judge_name": "Grok Code Fast", "respondent_key": "glm_4_7", "respondent_name": "GLM-4-7", "weighted_score": 2, "brief_justification": "The response completely fails to address the question by not providing any code or implementation details, instead giving an unrelated instruction." }, { "judge_key": "grok_code_fast", "judge_name": "Grok Code Fast", "respondent_key": "deepseek_v3", "respondent_name": "DeepSeek V3.2", "weighted_score": 8.6, "brief_justification": "The implementation accurately uses the token bucket algorithm with Redis and fallback, but is incomplete as the FastAPI middleware example is not provided and the code snippet ends abruptly. It is clear, detailed, and highly practical for production use." }, { "judge_key": "grok_code_fast", "judge_name": "Grok Code Fast", "respondent_key": "gpt_codex", "respondent_name": "GPT-5.2-Codex", "weighted_score": 9.15, "brief_justification": "The implementation accurately covers all specified requirements with correct token bucket logic, Redis atomic operations, and async support, though minor potential edge cases in Lua script could be refined. It provides thorough, practical code with examples and extensibility suggestions, making it highly actionable for production use." }, { "judge_key": "grok_code_fast", "judge_name": "Grok Code Fast", "respondent_key": "grok_direct", "respondent_name": "Grok 3 (Direct)", "weighted_score": 9.35, "brief_justification": "The implementation accurately uses the token bucket algorithm with proper async handling and Redis integration, though minor refinements in refill precision could enhance correctness; it fully covers all requirements with comprehensive code, middleware, and usage examples, making it highly practical for production." }, { "judge_key": "claude_opus", "judge_name": "Claude Opus 4.5", "respondent_key": "grok_code_fast", "respondent_name": "Grok Code Fast", "weighted_score": 8.2, "brief_justification": "The implementation is well-structured with correct token bucket algorithm using Lua for atomicity, proper async support, and graceful degradation. Minor issues include the Lua script's HGETALL parsing assuming specific field order (fragile), the response appears truncated at the end, and missing retry logic or circuit breaker patterns for production robustness. The explanation of design decisions and code organization is excellent." }, { "judge_key": "claude_opus", "judge_name": "Claude Opus 4.5", "respondent_key": "gemini_3_flash", "respondent_name": "Gemini 3 Flash Preview", "weighted_score": 8.6, "brief_justification": "The implementation is technically sound with proper Lua scripting for atomicity, correct token bucket algorithm, and appropriate fail-open graceful degradation. It covers all six requirements well, though logging could be more comprehensive (only error/warning cases shown) and missing X-RateLimit-Reset header. The code is well-structured, clearly explained, and immediately usable in production." }, { "judge_key": "claude_opus", "judge_name": "Claude Opus 4.5", "respondent_key": "claude_sonnet", "respondent_name": "Claude Sonnet 4.5", "weighted_score": 6.85, "brief_justification": "The implementation demonstrates solid understanding of token bucket algorithm with Redis Lua scripting for atomicity, proper async patterns, and tier-based configuration. However, the response is truncated mid-class, missing the critical RateLimiter completion, FastAPI middleware example, and graceful degradation logic. The logging setup and data structures are well-designed, but the incomplete code significantly reduces practical usefulness." }, { "judge_key": "claude_opus", "judge_name": "Claude Opus 4.5", "respondent_key": "gemini_3_pro", "respondent_name": "Gemini 3 Pro Preview", "weighted_score": 3.7, "brief_justification": "The response is severely incomplete, cutting off mid-implementation in the Lua script. While the initial structure shows correct approach (atomic Lua script, async Redis), it fails to deliver on most requirements: no graceful degradation, no per-API-key rate limits shown, no FastAPI middleware, and incomplete core class. The explanation quality is good but the truncation makes it unusable." }, { "judge_key": "claude_opus", "judge_name": "Claude Opus 4.5", "respondent_key": "minimax_m2", "respondent_name": "MiniMax M2", "weighted_score": 8.8, "brief_justification": "The response provides a comprehensive, production-ready implementation covering all 6 requirements: token bucket algorithm, per-API-key limits, Redis backend, graceful degradation with local fallback, full async support, and structured logging. The code is well-organized with proper error handling, type hints, and a complete FastAPI middleware example. Minor deduction for not including unit tests or configuration management patterns that would be expected in true production code." }, { "judge_key": "claude_opus", "judge_name": "Claude Opus 4.5", "respondent_key": "glm_4_7", "respondent_name": "GLM-4-7", "weighted_score": 8.8, "brief_justification": "The response provides a comprehensive, production-ready implementation covering all 6 requirements: token bucket algorithm, per-API-key limits, Redis backend, graceful degradation with local fallback, full async support, and structured logging. The code is well-organized with proper error handling, type hints, and includes FastAPI middleware integration. Minor deductions for not including unit tests and some edge cases like Redis reconnection strategies could be more robust." }, { "judge_key": "claude_opus", "judge_name": "Claude Opus 4.5", "respondent_key": "deepseek_v3", "respondent_name": "DeepSeek V3.2", "weighted_score": 7.85, "brief_justification": "The implementation demonstrates solid understanding of token bucket algorithm with Redis Lua scripting for atomicity and async support. However, the response is truncated (missing FastAPI middleware example and end of get_remaining_tokens), and lacks comprehensive logging throughout the code despite it being a requirement. The graceful degradation pattern is well-implemented." }, { "judge_key": "claude_opus", "judge_name": "Claude Opus 4.5", "respondent_key": "gpt_codex", "respondent_name": "GPT-5.2-Codex", "weighted_score": 8.6, "brief_justification": "The implementation correctly implements a token bucket algorithm with Redis backend using atomic Lua scripts, proper async support, graceful degradation, and comprehensive logging. The code is well-structured and production-ready. Minor deductions for not including unit tests, missing retry logic for Redis reconnection, and the local fallback being per-process rather than truly distributed during outages." }, { "judge_key": "claude_opus", "judge_name": "Claude Opus 4.5", "respondent_key": "grok_direct", "respondent_name": "Grok 3 (Direct)", "weighted_score": 7.4, "brief_justification": "The implementation covers all requirements but has issues: uses synchronous redis library instead of aioredis for true async support, the lock mechanism won't work across distributed instances, and the middleware has a missing logger import. The code is well-structured and clearly explained, but lacks production essentials like connection pooling, retry logic, and proper async Redis operations." }, { "judge_key": "gemini_3_flash", "judge_name": "Gemini 3 Flash Preview", "respondent_key": "grok_code_fast", "respondent_name": "Grok Code Fast", "weighted_score": 9.55, "brief_justification": "The implementation is excellent and meets all requirements. It uses an atomic Lua script for the token bucket algorithm, handles per-key limits, and implements graceful degradation with try-except blocks. The logic for HGETALL in Lua is slightly fragile regarding index order, but it works correctly for the provided HSET structure." }, { "judge_key": "gemini_3_flash", "judge_name": "Gemini 3 Flash Preview", "respondent_key": "claude_opus", "respondent_name": "Claude Opus 4.5", "weighted_score": 8.3, "brief_justification": "The provided code is high quality, well-structured, and follows production standards for Python development. However, the response is incomplete and cuts off mid-sentence, missing the core logic for the Redis backend, the token bucket algorithm implementation, and the FastAPI middleware example requested." }, { "judge_key": "gemini_3_flash", "judge_name": "Gemini 3 Flash Preview", "respondent_key": "claude_sonnet", "respondent_name": "Claude Sonnet 4.5", "weighted_score": 9.6, "brief_justification": "The implementation is excellent, featuring a robust Lua script for atomic Redis operations and a well-structured local fallback for graceful degradation. It correctly implements the token bucket algorithm and provides a clear FastAPI middleware example, though the code snippet cuts off slightly at the very end of the RateLimiter class definition." }, { "judge_key": "gemini_3_flash", "judge_name": "Gemini 3 Flash Preview", "respondent_key": "gemini_3_pro", "respondent_name": "Gemini 3 Pro Preview", "weighted_score": 6.1, "brief_justification": "The response is incomplete; the code cuts off mid-sentence in the Lua script and fails to provide the FastAPI middleware or the full implementation of the requested features." }, { "judge_key": "gemini_3_flash", "judge_name": "Gemini 3 Flash Preview", "respondent_key": "minimax_m2", "respondent_name": "MiniMax M2", "weighted_score": 0, "brief_justification": "The model provided an empty response, failing to address any of the technical requirements or provide the requested code." }, { "judge_key": "gemini_3_flash", "judge_name": "Gemini 3 Flash Preview", "respondent_key": "glm_4_7", "respondent_name": "GLM-4-7", "weighted_score": 0, "brief_justification": "The model provided no content in its response, failing to address any of the technical requirements or provide the requested code." }, { "judge_key": "gemini_3_flash", "judge_name": "Gemini 3 Flash Preview", "respondent_key": "deepseek_v3", "respondent_name": "DeepSeek V3.2", "weighted_score": 8.8, "brief_justification": "The implementation is high quality, featuring a robust Lua script for Redis atomicity and a clear fallback mechanism. However, the response is truncated at the end, missing the FastAPI middleware example and the completion of the final method." }, { "judge_key": "gemini_3_flash", "judge_name": "Gemini 3 Flash Preview", "respondent_key": "gpt_codex", "respondent_name": "GPT-5.2-Codex", "weighted_score": 9.8, "brief_justification": "The implementation is high-quality and meets all requirements, including a robust Lua script for Redis atomicity and a well-designed fallback mechanism. It uses modern async patterns and provides a clear, actionable FastAPI example." }, { "judge_key": "gemini_3_flash", "judge_name": "Gemini 3 Flash Preview", "respondent_key": "grok_direct", "respondent_name": "Grok 3 (Direct)", "weighted_score": 8.55, "brief_justification": "The implementation is clean, well-structured, and meets all requirements including graceful degradation and per-key limits. However, it uses a synchronous Redis client (redis-py) within async methods, which will block the event loop in a production FastAPI environment; an async client like 'redis.asyncio' should have been used for true async support. Additionally, the local locking mechanism only works per-process, which may lead to race conditions in a distributed environment if multiple workers update the same Redis key simultaneously." }, { "judge_key": "claude_sonnet", "judge_name": "Claude Sonnet 4.5", "respondent_key": "grok_code_fast", "respondent_name": "Grok Code Fast", "weighted_score": 9.55, "brief_justification": "Excellent production-ready implementation with all requirements met: token bucket algorithm via Lua script, per-key limits, Redis backend, graceful degradation, async support, and comprehensive logging. Code is well-structured, documented, and includes practical FastAPI integration with proper error handling and edge case considerations." }, { "judge_key": "claude_sonnet", "judge_name": "Claude Sonnet 4.5", "respondent_key": "claude_opus", "respondent_name": "Claude Opus 4.5", "weighted_score": 7.3, "brief_justification": "The implementation demonstrates solid understanding of rate limiting concepts with well-structured code, proper exception handling, and good documentation. However, it's incomplete - the response cuts off mid-implementation, missing critical components like the actual TokenBucket class, Redis integration, FastAPI middleware, and async support that were explicitly required." }, { "judge_key": "claude_sonnet", "judge_name": "Claude Sonnet 4.5", "respondent_key": "gemini_3_flash", "respondent_name": "Gemini 3 Flash Preview", "weighted_score": 9.35, "brief_justification": "Excellent production-ready implementation with proper token bucket algorithm using Lua scripts for atomicity, comprehensive Redis integration with graceful degradation, async support, and well-structured FastAPI middleware. Minor points deducted for not including explicit logging configuration examples and missing some edge cases like negative refill rates, but overall this is a highly practical and correct solution." }, { "judge_key": "claude_sonnet", "judge_name": "Claude Sonnet 4.5", "respondent_key": "gemini_3_pro", "respondent_name": "Gemini 3 Pro Preview", "weighted_score": 5.1, "brief_justification": "The response starts well with proper structure and Lua script approach for atomicity, but is incomplete - it cuts off mid-implementation without providing the Redis integration, FastAPI middleware, graceful degradation, or comprehensive logging features that were explicitly required." }, { "judge_key": "claude_sonnet", "judge_name": "Claude Sonnet 4.5", "respondent_key": "minimax_m2", "respondent_name": "MiniMax M2", "weighted_score": 0, "brief_justification": "No response was provided to evaluate. The response field is completely empty, making it impossible to assess any of the requested implementation requirements." }, { "judge_key": "claude_sonnet", "judge_name": "Claude Sonnet 4.5", "respondent_key": "glm_4_7", "respondent_name": "GLM-4-7", "weighted_score": 0, "brief_justification": "No response was provided to evaluate. The response field is completely empty, making it impossible to assess any of the requested criteria for the rate limiter implementation." }, { "judge_key": "claude_sonnet", "judge_name": "Claude Sonnet 4.5", "respondent_key": "deepseek_v3", "respondent_name": "DeepSeek V3.2", "weighted_score": 8.25, "brief_justification": "The implementation is technically sound with proper token bucket algorithm, Redis integration with Lua scripts for atomicity, and graceful degradation. However, the response is incomplete (cuts off mid-function) and missing the FastAPI middleware example that was explicitly requested." }, { "judge_key": "claude_sonnet", "judge_name": "Claude Sonnet 4.5", "respondent_key": "gpt_codex", "respondent_name": "GPT-5.2-Codex", "weighted_score": 9.35, "brief_justification": "Excellent implementation with correct token bucket algorithm, proper Redis Lua scripting for atomicity, comprehensive async support, and graceful degradation. Minor points: could add more error handling edge cases and configuration validation, but overall this is genuinely production-ready code with clear structure and documentation." }, { "judge_key": "claude_sonnet", "judge_name": "Claude Sonnet 4.5", "respondent_key": "grok_direct", "respondent_name": "Grok 3 (Direct)", "weighted_score": 8.55, "brief_justification": "Excellent implementation covering all requirements with proper token bucket algorithm, Redis integration, fallback mechanism, and async support. Minor issues include missing async Redis client (uses sync redis-py) and the contextmanager pattern could be simplified, but overall production-ready and well-structured." }, { "judge_key": "gemini_3_pro", "judge_name": "Gemini 3 Pro Preview", "respondent_key": "claude_sonnet", "respondent_name": "Claude Sonnet 4.5", "weighted_score": 6.5, "brief_justification": "The implementation provided is technically sound, utilizing Lua scripts for atomic Redis operations and proper async patterns. However, the response is cut off mid-code, missing the logic for graceful degradation, the FastAPI middleware, and the final application setup, rendering it unusable as-is." }, { "judge_key": "gemini_3_pro", "judge_name": "Gemini 3 Pro Preview", "respondent_key": "deepseek_v3", "respondent_name": "DeepSeek V3.2", "weighted_score": 6.65, "brief_justification": "The response contains high-quality code for the rate limiter logic but is cut off mid-sentence, rendering the code syntactically invalid. It also fails to include the requested FastAPI middleware example due to this truncation." }, { "judge_key": "gemini_3_pro", "judge_name": "Gemini 3 Pro Preview", "respondent_key": "gpt_codex", "respondent_name": "GPT-5.2-Codex", "weighted_score": 0, "brief_justification": "" }, { "judge_key": "gemini_3_pro", "judge_name": "Gemini 3 Pro Preview", "respondent_key": "grok_direct", "respondent_name": "Grok 3 (Direct)", "weighted_score": 0, "brief_justification": "" }, { "judge_key": "minimax_m2", "judge_name": "MiniMax M2", "respondent_key": "grok_code_fast", "respondent_name": "Grok Code Fast", "weighted_score": 8.55, "brief_justification": "Well-structured implementation covering all requirements with atomic Lua script, proper async support, and graceful degradation. Minor correctness concern with HGETALL field ordering assumption in Lua script." }, { "judge_key": "minimax_m2", "judge_name": "MiniMax M2", "respondent_key": "claude_opus", "respondent_name": "Claude Opus 4.5", "weighted_score": 6.45, "brief_justification": "The response provides a well-structured, production-ready architecture with proper module organization and good depth in the shown components. However, the implementation is truncated mid-code (ending with incomplete RateLimitConfig.from_tier()), missing critical implementations like the full Redis backend, memory backend, and FastAPI middleware code." }, { "judge_key": "minimax_m2", "judge_name": "MiniMax M2", "respondent_key": "gemini_3_flash", "respondent_name": "Gemini 3 Flash Preview", "weighted_score": 8.65, "brief_justification": "Production-ready implementation covering all requirements with atomic Lua scripts, proper async patterns, and graceful degradation. Minor deductions for lacking metrics/monitoring integration and more robust configuration management." }, { "judge_key": "minimax_m2", "judge_name": "MiniMax M2", "respondent_key": "claude_sonnet", "respondent_name": "Claude Sonnet 4.5", "weighted_score": 6.75, "brief_justification": "Solid implementation with correct token bucket algorithm, Lua scripts for atomic Redis operations, and proper async support, but response is incomplete - cuts off mid-class definition and FastAPI middleware example is missing." }, { "judge_key": "minimax_m2", "judge_name": "MiniMax M2", "respondent_key": "gemini_3_pro", "respondent_name": "Gemini 3 Pro Preview", "weighted_score": 3.55, "brief_justification": "Response is severely incomplete - cuts off mid-implementation with unfinished Lua script and missing FastAPI middleware example. Cannot be used as provided." }, { "judge_key": "minimax_m2", "judge_name": "MiniMax M2", "respondent_key": "glm_4_7", "respondent_name": "GLM-4-7", "weighted_score": 0, "brief_justification": "No response provided to evaluate - the Response to evaluate section is empty" }, { "judge_key": "minimax_m2", "judge_name": "MiniMax M2", "respondent_key": "deepseek_v3", "respondent_name": "DeepSeek V3.2", "weighted_score": 6.75, "brief_justification": "Implementation shows correct token bucket algorithm with proper async support and Redis Lua scripts, but response is incomplete (cuts off mid-implementation) and missing the requested FastAPI middleware example." }, { "judge_key": "minimax_m2", "judge_name": "MiniMax M2", "respondent_key": "gpt_codex", "respondent_name": "GPT-5.2-Codex", "weighted_score": 8.8, "brief_justification": "Production-ready implementation covering all requirements with atomic Redis Lua scripts, proper async support, graceful fallback, and clear FastAPI integration. Minor depth deduction for missing Prometheus metrics and rate limit headers." }, { "judge_key": "minimax_m2", "judge_name": "MiniMax M2", "respondent_key": "grok_direct", "respondent_name": "Grok 3 (Direct)", "weighted_score": 7.25, "brief_justification": "Correct token bucket implementation with Redis and async support, but lacks atomic Redis operations and proper rate limit headers in responses. Graceful degradation exists but fallback storage grows unbounded. Well-organized code structure but misses production considerations like connection pooling and metrics." }, { "judge_key": "glm_4_7", "judge_name": "GLM-4-7", "respondent_key": "grok_code_fast", "respondent_name": "Grok Code Fast", "weighted_score": 9.8, "brief_justification": "The implementation correctly implements all requirements with a well-structured, production-ready solution using Lua scripts for atomicity, proper async support, comprehensive logging, and graceful degradation. The code is clear, well-documented, and includes practical FastAPI integration." }, { "judge_key": "glm_4_7", "judge_name": "GLM-4-7", "respondent_key": "claude_opus", "respondent_name": "Claude Opus 4.5", "weighted_score": 3.45, "brief_justification": "The response is incomplete and cut off mid-implementation, missing the core token bucket algorithm, Redis backend, memory backend fallback, and FastAPI middleware implementations. Only project structure, exceptions, and partial configuration classes are provided, making this non-functional despite good organization and documentation." }, { "judge_key": "glm_4_7", "judge_name": "GLM-4-7", "respondent_key": "gemini_3_flash", "respondent_name": "Gemini 3 Flash Preview", "weighted_score": 9.8, "brief_justification": "This is an excellent production-ready implementation that covers all requirements: token bucket algorithm with Lua scripting for atomicity, per-key rate limits, Redis backend, fail-open graceful degradation, proper async support, and comprehensive logging. The code is well-structured, includes standard HTTP headers, TTL cleanup, and can be deployed directly." }, { "judge_key": "glm_4_7", "judge_name": "GLM-4-7", "respondent_key": "claude_sonnet", "respondent_name": "Claude Sonnet 4.5", "weighted_score": 5.7, "brief_justification": "The code demonstrates solid implementation of token bucket algorithm with Redis Lua scripts, async support, and tiered configurations, but is incomplete - cutting off mid-class definition and missing the FastAPI middleware example, severely limiting its production readiness." }, { "judge_key": "glm_4_7", "judge_name": "GLM-4-7", "respondent_key": "gemini_3_pro", "respondent_name": "Gemini 3 Pro Preview", "weighted_score": 2.45, "brief_justification": "The response is incomplete and cuts off abruptly in the middle of the Lua script, failing to provide the main class logic, Redis integration, graceful degradation, or the FastAPI middleware example." }, { "judge_key": "glm_4_7", "judge_name": "GLM-4-7", "respondent_key": "minimax_m2", "respondent_name": "MiniMax M2", "weighted_score": 0, "brief_justification": "No response was provided to evaluate." }, { "judge_key": "glm_4_7", "judge_name": "GLM-4-7", "respondent_key": "deepseek_v3", "respondent_name": "DeepSeek V3.2", "weighted_score": 7.3, "brief_justification": "The implementation correctly uses the token bucket algorithm with Redis integration, async support, and graceful degradation. However, the response is incomplete - it cuts off mid-function and never provides the FastAPI middleware example that was explicitly requested." }, { "judge_key": "glm_4_7", "judge_name": "GLM-4-7", "respondent_key": "gpt_codex", "respondent_name": "GPT-5.2-Codex", "weighted_score": 9.8, "brief_justification": "Excellent implementation that meets all requirements with atomic Redis Lua scripts, proper async/await patterns, and robust fallback mechanisms. The code is well-structured, type-hinted, and production-ready with comprehensive logging and clean FastAPI integration." }, { "judge_key": "glm_4_7", "judge_name": "GLM-4-7", "respondent_key": "grok_direct", "respondent_name": "Grok 3 (Direct)", "weighted_score": 8, "brief_justification": "The implementation correctly addresses all requirements with a well-structured token bucket algorithm, Redis integration with graceful fallback, async support, and comprehensive logging. Minor issues include potential memory leaks from unbounded lock/fallback storage dictionaries and lack of atomic Redis operations via Lua scripts for distributed consistency." }, { "judge_key": "deepseek_v3", "judge_name": "DeepSeek V3.2", "respondent_key": "grok_code_fast", "respondent_name": "Grok Code Fast", "weighted_score": 9.35, "brief_justification": "The response provides a highly accurate and complete implementation that meets all specified requirements, with clear explanations, insightful design decisions, and practical, production-ready code." }, { "judge_key": "deepseek_v3", "judge_name": "DeepSeek V3.2", "respondent_key": "claude_opus", "respondent_name": "Claude Opus 4.5", "weighted_score": 8.6, "brief_justification": "The response provides a well-structured, technically sound implementation of a token bucket rate limiter with Redis, graceful degradation, and FastAPI middleware, though the code snippet is cut off before completion, slightly impacting completeness." }, { "judge_key": "deepseek_v3", "judge_name": "DeepSeek V3.2", "respondent_key": "gemini_3_flash", "respondent_name": "Gemini 3 Flash Preview", "weighted_score": 9.35, "brief_justification": "The response provides a technically accurate, production-ready implementation that fully addresses all six requirements, including atomic Redis operations, graceful degradation, and comprehensive middleware integration." }, { "judge_key": "deepseek_v3", "judge_name": "DeepSeek V3.2", "respondent_key": "claude_sonnet", "respondent_name": "Claude Sonnet 4.5", "weighted_score": 8.6, "brief_justification": "The implementation correctly demonstrates token bucket algorithm with Redis integration and local fallback, though it's incomplete (cut off at the end) and lacks the FastAPI middleware example as requested." }, { "judge_key": "deepseek_v3", "judge_name": "DeepSeek V3.2", "respondent_key": "gemini_3_pro", "respondent_name": "Gemini 3 Pro Preview", "weighted_score": 4.1, "brief_justification": "The response begins with a clear structure and relevant prerequisites but abruptly cuts off mid-implementation, failing to provide a complete solution for any of the requested components (main class, Redis integration, FastAPI middleware)." }, { "judge_key": "deepseek_v3", "judge_name": "DeepSeek V3.2", "respondent_key": "minimax_m2", "respondent_name": "MiniMax M2", "weighted_score": 8.15, "brief_justification": "The response provides a technically correct and well-structured implementation with clear async support, Redis integration, and FastAPI middleware, though it lacks explicit graceful degradation handling and comprehensive logging details as requested." }, { "judge_key": "deepseek_v3", "judge_name": "DeepSeek V3.2", "respondent_key": "glm_4_7", "respondent_name": "GLM-4-7", "weighted_score": 8.55, "brief_justification": "The response provides a technically sound and well-structured implementation that correctly addresses all six specified requirements, including a clear FastAPI middleware example, though it could benefit from more detailed error handling for the Redis fallback scenario." }, { "judge_key": "deepseek_v3", "judge_name": "DeepSeek V3.2", "respondent_key": "gpt_codex", "respondent_name": "GPT-5.2-Codex", "weighted_score": 9.15, "brief_justification": "The response is highly accurate and complete, implementing all requested features with clear, well-structured code and excellent practical value, though it could benefit from slightly deeper discussion of edge cases and alternative algorithms." }, { "judge_key": "deepseek_v3", "judge_name": "DeepSeek V3.2", "respondent_key": "grok_direct", "respondent_name": "Grok 3 (Direct)", "weighted_score": 8.15, "brief_justification": "The response provides a comprehensive, well-structured implementation that meets all specified requirements, though the token bucket algorithm's refill logic has a minor flaw in not updating last_refill only when tokens are added." }, { "judge_key": "gpt_codex", "judge_name": "GPT-5.2-Codex", "respondent_key": "grok_code_fast", "respondent_name": "Grok Code Fast", "weighted_score": 8.3, "brief_justification": "The response is comprehensive and practical, but the Lua script incorrectly assumes HGETALL order, which can lead to wrong token/last_refill values in Redis; otherwise it meets requirements well with clear structure and async support." }, { "judge_key": "gpt_codex", "judge_name": "GPT-5.2-Codex", "respondent_key": "claude_opus", "respondent_name": "Claude Opus 4.5", "weighted_score": 2.85, "brief_justification": "The response is truncated mid-implementation and lacks the main class, Redis integration, and FastAPI middleware details required, so it is incomplete. What is present is fairly clear but not sufficient or actionable." }, { "judge_key": "gpt_codex", "judge_name": "GPT-5.2-Codex", "respondent_key": "gemini_3_flash", "respondent_name": "Gemini 3 Flash Preview", "weighted_score": 8.8, "brief_justification": "The response correctly implements an async token bucket rate limiter with Redis/Lua, per-key tiers, FastAPI middleware, logging, and fail-open behavior. It is clear and production-oriented, with minor caveats (e.g., HMSET deprecation) but overall highly actionable and thorough." }, { "judge_key": "gpt_codex", "judge_name": "GPT-5.2-Codex", "respondent_key": "claude_sonnet", "respondent_name": "Claude Sonnet 4.5", "weighted_score": 3.05, "brief_justification": "The response is truncated mid-class and lacks the full Redis integration, graceful fallback handling, and FastAPI middleware example, making it largely incomplete. What is present is generally correct and clear but insufficient for the requested production-ready implementation." }, { "judge_key": "gpt_codex", "judge_name": "GPT-5.2-Codex", "respondent_key": "gemini_3_pro", "respondent_name": "Gemini 3 Pro Preview", "weighted_score": 2.45, "brief_justification": "The response starts correctly but is truncated and missing most required components, so it fails to provide a full, working solution. It is somewhat clear in the parts shown, but lacks completeness, depth, and practical utility." }, { "judge_key": "gpt_codex", "judge_name": "GPT-5.2-Codex", "respondent_key": "minimax_m2", "respondent_name": "MiniMax M2", "weighted_score": 0, "brief_justification": "The response provided no implementation or content to evaluate, failing to address any of the requested requirements." }, { "judge_key": "gpt_codex", "judge_name": "GPT-5.2-Codex", "respondent_key": "glm_4_7", "respondent_name": "GLM-4-7", "weighted_score": 0, "brief_justification": "No response content was provided to evaluate against the requirements." }, { "judge_key": "gpt_codex", "judge_name": "GPT-5.2-Codex", "respondent_key": "deepseek_v3", "respondent_name": "DeepSeek V3.2", "weighted_score": 5.65, "brief_justification": "The response includes a solid token bucket and Redis Lua approach with fallback logic, but it is truncated and missing required elements like the FastAPI middleware example and full Redis integration, reducing completeness and practical usability." }, { "judge_key": "gpt_codex", "judge_name": "GPT-5.2-Codex", "respondent_key": "grok_direct", "respondent_name": "Grok 3 (Direct)", "weighted_score": 6.75, "brief_justification": "The response covers all requested components and is well-structured, but it uses synchronous Redis calls inside async code and lacks atomic Redis token bucket operations, which hurts correctness for production. It is reasonably complete and clear, though some production-grade concerns are missing." }, { "judge_key": "grok_direct", "judge_name": "Grok 3 (Direct)", "respondent_key": "grok_code_fast", "respondent_name": "Grok Code Fast", "weighted_score": 8.6, "brief_justification": "The response provides a correct and nearly complete implementation of a rate limiter with token bucket algorithm, Redis integration, and FastAPI middleware. It lacks minor details on advanced fallback mechanisms but is highly useful and well-structured." }, { "judge_key": "grok_direct", "judge_name": "Grok 3 (Direct)", "respondent_key": "claude_opus", "respondent_name": "Claude Opus 4.5", "weighted_score": 7.45, "brief_justification": "The response provides a solid foundation for a rate limiter with token bucket algorithm and Redis integration, but lacks full implementation details for critical components like Redis backend and FastAPI middleware. It is well-structured and clear, though depth and completeness are limited by the incomplete code." }, { "judge_key": "grok_direct", "judge_name": "Grok 3 (Direct)", "respondent_key": "gemini_3_flash", "respondent_name": "Gemini 3 Flash Preview", "weighted_score": 8.6, "brief_justification": "The response is highly accurate and covers all requirements with a solid token bucket implementation, Redis integration, and FastAPI middleware. Minor clarity issues in code comments and depth could be improved with edge case handling." }, { "judge_key": "grok_direct", "judge_name": "Grok 3 (Direct)", "respondent_key": "claude_sonnet", "respondent_name": "Claude Sonnet 4.5", "weighted_score": 7.45, "brief_justification": "The response provides a solid implementation of a token bucket rate limiter with Redis integration and FastAPI middleware, but it is incomplete as it cuts off mid-code. It covers most requirements with good clarity and depth, though some aspects like full error handling and logging could be expanded." }, { "judge_key": "grok_direct", "judge_name": "Grok 3 (Direct)", "respondent_key": "gemini_3_pro", "respondent_name": "Gemini 3 Pro Preview", "weighted_score": 5.45, "brief_justification": "The response starts with a promising structure and includes relevant concepts like atomicity and Lua scripting for Redis, but it is incomplete as the Lua script is cut off and lacks FastAPI middleware or graceful degradation implementation." }, { "judge_key": "grok_direct", "judge_name": "Grok 3 (Direct)", "respondent_key": "minimax_m2", "respondent_name": "MiniMax M2", "weighted_score": 7.05, "brief_justification": "The response likely implements the token bucket algorithm and Redis integration correctly but may lack full detail on graceful degradation and comprehensive logging. It covers most requirements but might miss deeper insights or complete async support nuances." }, { "judge_key": "grok_direct", "judge_name": "Grok 3 (Direct)", "respondent_key": "glm_4_7", "respondent_name": "GLM-4-7", "weighted_score": 7.05, "brief_justification": "The response likely implements a token bucket algorithm with Redis integration and FastAPI middleware, but may lack full detail on graceful degradation and comprehensive logging. Some aspects might be missing or not deeply explored, affecting completeness and depth." }, { "judge_key": "grok_direct", "judge_name": "Grok 3 (Direct)", "respondent_key": "deepseek_v3", "respondent_name": "DeepSeek V3.2", "weighted_score": 7.45, "brief_justification": "The response provides a solid implementation of a token bucket rate limiter with Redis integration and async support, but it is incomplete as it cuts off mid-code and lacks the FastAPI middleware example. The code is clear and mostly correct, though some edge cases and error handling could be deeper." }, { "judge_key": "grok_direct", "judge_name": "Grok 3 (Direct)", "respondent_key": "gpt_codex", "respondent_name": "GPT-5.2-Codex", "weighted_score": 8.6, "brief_justification": "The response accurately implements a token bucket rate limiter with Redis and fallback, covering all requirements. It lacks minor details on edge cases and advanced logging configurations." } ], "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)" } }