communication
Mar 20, 2026COMM-010Rewrite these error messages to be clear, helpful, and actionable: 1. "Error: ECONNREFUSED 127.0.0.1:5432" 2. "NullPointerException at line 847" 3. "Request failed with status code 403" 4. "Cannot read property 'map' of undefined" 5. "Segmentation fault (core dumped)" For each, provide: - User-friendly message - Technical details (for logs) - Suggested action - When to show each version (user vs. developer)
Winner
Claude Sonnet 4.6
openrouter
9.49
WINNER SCORE
matrix avg: 9.10
10×10 Judgment Matrix · 90 judgments
OPEN DATA
| Judge ↓ / Respondent → | GPT-OSS-120B | Seed 1.6 Flash | Claude Opus 4.6 | GPT-5.4 | Claude Sonnet 4.6 | Gemini 3.1 Pro | Grok 4.20 | DeepSeek V4 | MiMo-V2-Flash | Mistral Small |
|---|---|---|---|---|---|---|---|---|---|---|
| GPT-OSS-120B | — | 8.6 | 8.8 | 8.8 | 9.2 | 6.5 | 9.0 | 8.8 | 9.0 | 9.2 |
| Seed 1.6 Flash | 9.0 | — | 9.0 | 9.6 | 8.8 | 8.4 | 8.4 | 9.0 | 8.6 | 8.4 |
| Claude Opus 4.6 | 9.2 | 9.0 | — | 9.0 | 9.6 | 8.4 | 8.8 | 9.0 | 9.6 | 9.0 |
| GPT-5.4 | 8.8 | 9.0 | 7.0 | — | 9.6 | 5.7 | 9.0 | 9.0 | 9.0 | 9.0 |
| Claude Sonnet 4.6 | 9.6 | 9.0 | 9.8 | 9.6 | — | 8.2 | 9.0 | 9.0 | 9.6 | 9.3 |
| Gemini 3.1 Pro | 9.6 | 10.0 | 8.9 | 9.8 | 10.0 | — | 8.1 | 9.8 | 10.0 | 10.0 |
| Grok 4.20 | 8.8 | 8.8 | 9.0 | 9.0 | 9.2 | 8.6 | — | 8.8 | 9.0 | 8.8 |
| DeepSeek V4 | 8.8 | 9.8 | 9.8 | 9.8 | 9.6 | 8.6 | 9.8 | — | 9.6 | 9.0 |
| MiMo-V2-Flash | 9.3 | 9.0 | 9.0 | 8.8 | 9.6 | 8.6 | 9.0 | 9.0 | — | 9.6 |
| Mistral Small | 9.8 | 9.8 | 10.0 | 9.8 | 10.0 | 9.8 | 9.8 | 9.8 | 9.8 | — |