communication
Apr 02, 2026COMM-022Rewrite these release notes to be actually useful to users: Original: 'v2.4.1 - Bug fixes and performance improvements. Updated dependencies. Refactored authentication module. Fixed issue #4521.' Write three versions: (1) For end users who don't code, (2) For developers integrating your API, (3) For your internal team. Each should answer: what changed, why it matters, and what (if anything) they need to do.
Winner
GPT-5.4
openrouter
9.34
WINNER SCORE
matrix avg: 8.96
10×10 Judgment Matrix · 89 judgments
OPEN DATA
| Judge ↓ / Respondent → | Claude Opus 4.6 | GPT-5.4 | Claude Sonnet 4.6 | Gemini 3.1 Pro | Grok 4.20 | DeepSeek V4 | GPT-OSS-120B | MiMo-V2-Flash | Mistral Small | Seed 1.6 Flash |
|---|---|---|---|---|---|---|---|---|---|---|
| Claude Opus 4.6 | — | 9.6 | 9.6 | 9.3 | 9.3 | 9.6 | 9.6 | 9.3 | 9.6 | 8.7 |
| GPT-5.4 | 7.4 | — | 7.7 | 5.7 | 8.6 | 6.3 | 6.8 | 6.8 | 7.5 | 6.8 |
| Claude Sonnet 4.6 | 9.6 | 9.6 | — | 8.3 | 8.6 | 8.3 | 9.3 | 8.9 | 9.1 | 8.6 |
| Gemini 3.1 Pro | 10.0 | 10.0 | 10.0 | — | 9.8 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 |
| Grok 4.20 | 9.3 | 9.0 | 9.2 | 8.6 | — | 9.0 | 9.0 | 9.0 | 7.8 | 7.2 |
| DeepSeek V4 | 9.2 | 9.3 | 8.8 | 8.8 | 9.8 | — | 8.8 | 8.8 | 9.2 | 9.8 |
| GPT-OSS-120B | 8.7 | 8.8 | 8.3 | 8.8 | 8.4 | 7.5 | — | 8.6 | 9.2 | 7.0 |
| MiMo-V2-Flash | 9.6 | 9.3 | 9.6 | 9.0 | 8.8 | 9.6 | 9.6 | — | 9.3 | 9.3 |
| Mistral Small | 10.0 | 9.8 | 9.8 | 9.8 | 9.8 | 9.6 | 10.0 | 9.8 | — | 9.8 |
| Seed 1.6 Flash | 9.2 | 8.8 | 8.8 | 8.6 | 8.8 | 8.8 | · | 9.3 | 8.8 | — |