Updated
All AI coding models on Bug Bench
As of Nov 9, 2026, Bug Bench tracks 10 AI coding models: 7 ranked and 3 no longer ranked after usage dropped.
| Model | Provider | Released | Status | Rate |
|---|---|---|---|---|
| GPT-6 Luna | Ranked #1 | 0.31 | ||
| GPT-6.1 Sol | Ranked #2 | 0.74 | ||
| Claude Fable 5.1 | Ranked #3 | 0.88 | ||
| GPT-6 Astra | Ranked #4 | 0.95 | ||
| Claude Sonnet 5.5 | Ranked #5 | 1.04 | ||
| Claude Opus 5.5 | Ranked #6 | 1.11 | ||
| Grok 4.7 | Ranked #7 | 1.61 | ||
| Claude Opus 4.8 | No longer ranked | – | ||
| Claude Opus 5 | No longer ranked | – | ||
| GPT-5.6 Sol | No longer ranked | – |