# The Multivac — Evaluation Report

**Evaluation ID:** EVAL-20260317-022615
**Date:** Mar 17, 2026
**Category:** code
**Question ID:** EVAL-20260317-022615

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## Question

Implement an LRU cache with per-key TTL (time-to-live) support. Requirements: O(1) get/put, thread-safe, lazy expiration (don't use background threads), configurable max size, eviction callback, and cache hit/miss statistics. Include comprehensive tests.

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## Winner

**Qwen 3.5 35B-A3B** (openrouter)
- Winner Score: 7.83
- Matrix Average: 6.63
- Total Judgments: 37

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## Rankings

| Rank | Model | Provider | Avg Score | Judgments |
|------|-------|----------|-----------|----------|
| 1 | Qwen 3.5 35B-A3B | openrouter | 7.83 | 6 |
| 2 | Qwen 3 Coder Next | openrouter | 7.44 | 6 |
| 3 | Qwen 3 8B | openrouter | 7.22 | 5 |
| 4 | Qwen 3.5 397B-A17B | openrouter | 6.47 | 7 |
| 5 | Qwen 3.5 122B-A10B | openrouter | 6.18 | 7 |
| 6 | Qwen 3.5 9B | openrouter | 4.62 | 6 |

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## 10×10 Judgment Matrix

Rows = Judge, Columns = Respondent. Self-judgments excluded (—).

| Judge ↓ / Resp → | Qwen 3.5 9B | Qwen 3 8B | Qwen 3 32B | Qwen 3 | Qwen 3.5 | Qwen 3.5 27B | Qwen 3.5 | Qwen 3.5 |
|---|---|---|---|---|---|---|---|---|
| Qwen 3.5 9B | — | 7.5 | · | 7.0 | · | · | 7.0 | 5.3 |
| Qwen 3 8B | 6.0 | — | · | 8.6 | 9.6 | · | 7.3 | 8.1 |
| Qwen 3 32B | 5.5 | 8.8 | — | 7.2 | 8.2 | · | 6.4 | 8.6 |
| Qwen 3 | 6.8 | 8.2 | · | — | 9.6 | · | 7.8 | 9.0 |
| Qwen 3.5 | 3.5 | · | · | 7.7 | — | · | 5.2 | 5.4 |
| Qwen 3.5 27B | 3.5 | · | · | 7.1 | 6.2 | — | 5.2 | 4.2 |
| Qwen 3.5 | · | 6.8 | · | 7.1 | 7.3 | · | — | 4.7 |
| Qwen 3.5 | 2.5 | 4.8 | · | · | 6.2 | · | 4.4 | — |

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## Methodology

- **10×10 Blind Peer Matrix:** All models answer the same question, then all models judge all responses.
- **5 Criteria:** Correctness, completeness, clarity, depth, usefulness (each scored 1–10).
- **Self-judgments excluded:** Models do not judge their own responses.
- **Weighted Score:** Composite of all 5 criteria.

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## Citation

The Multivac (2026). Blind Peer Evaluation: EVAL-20260317-022615. app.themultivac.com

## License

Open data. Free to use, share, and build upon. Please cite The Multivac when using this data.

Download raw JSON: https://app.themultivac.com/api/evaluations/EVAL-20260317-022615/results
Full dataset: https://app.themultivac.com/dashboard/export