# The Multivac — Evaluation Report

**Evaluation ID:** EVAL-20260402-192322
**Date:** Mar 19, 2026
**Category:** analysis
**Question ID:** ANALYSIS-010

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## Question

A production incident report:

"At 3:47 PM, users reported checkout failures. Investigation showed database connection pool exhausted. Team increased pool size from 20 to 100 at 4:15 PM. Service recovered at 4:20 PM. Root cause: too few database connections."

Critique this root cause analysis. What questions would you ask to find the actual root cause? Describe a proper RCA methodology for this incident.

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## Winner

**Grok 4.20** (openrouter)
- Winner Score: 9.62
- Matrix Average: 9.28
- Total Judgments: 88

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## Rankings

| Rank | Model | Provider | Avg Score | Judgments |
|------|-------|----------|-----------|----------|
| 1 | Grok 4.20 | openrouter | 9.62 | 8 |
| 2 | Claude Sonnet 4.6 | openrouter | 9.61 | 8 |
| 3 | GPT-5.4 | openrouter | 9.41 | 9 |
| 4 | Claude Opus 4.6 | openrouter | 9.39 | 9 |
| 5 | MiMo-V2-Flash | Xiaomi | 9.36 | 9 |
| 6 | MiniMax M2.5 | openrouter | 9.19 | 9 |
| 7 | Gemini 3 Flash Preview | Google | 9.19 | 9 |
| 8 | DeepSeek V4 | openrouter | 9.04 | 9 |
| 9 | GPT-OSS-120B | OpenAI | 9.04 | 9 |
| 10 | Gemini 3.1 Pro | openrouter | 8.93 | 9 |

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## 10×10 Judgment Matrix

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

| Judge ↓ / Resp → | GPT-OSS-120B | Gemini 3.1 Pro | Claude Opus | GPT-5.4 | DeepSeek V4 | MiMo-V2-Flash | Claude Sonnet | Grok 4.20 | Gemini 3 | MiniMax M2.5 |
|---|---|---|---|---|---|---|---|---|---|---|
| GPT-OSS-120B | — | 8.6 | 8.8 | 9.0 | 8.6 | 8.6 | · | · | 8.6 | 8.8 |
| Gemini 3.1 Pro | 8.4 | — | 10.0 | 9.3 | 10.0 | 10.0 | 9.8 | 10.0 | 10.0 | 10.0 |
| Claude Opus | 9.8 | 9.3 | — | 9.8 | 9.2 | 9.8 | 9.6 | 10.0 | 9.3 | 9.2 |
| GPT-5.4 | 8.0 | 7.8 | 9.0 | — | 8.6 | 9.0 | 9.0 | 9.0 | 8.8 | 9.0 |
| DeepSeek V4 | 9.2 | 9.0 | 9.2 | 9.8 | — | 9.3 | 9.8 | 9.8 | 9.6 | 9.0 |
| MiMo-V2-Flash | 9.3 | 9.2 | 10.0 | 9.0 | 9.0 | — | 9.8 | 9.3 | 9.3 | 9.3 |
| Claude Sonnet | 9.6 | 9.2 | 9.6 | 9.8 | 8.8 | 9.6 | — | 10.0 | 9.2 | 8.8 |
| Grok 4.20 | 9.0 | 8.8 | 9.0 | 9.0 | 8.8 | 9.0 | 9.0 | — | 8.8 | 8.8 |
| Gemini 3 | 9.6 | 9.6 | 10.0 | 10.0 | 9.8 | 10.0 | 10.0 | 10.0 | — | 9.8 |
| MiniMax M2.5 | 8.4 | 8.8 | 9.0 | 9.0 | 8.6 | 9.0 | 10.0 | 8.8 | 9.0 | — |

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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: ANALYSIS-010. 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-20260402-192322/results
Full dataset: https://app.themultivac.com/dashboard/export