LegalBench: leaderboard
Evaluating language models on a wide range of open source legal reasoning tasks.
Metric: Accuracy (%). Source: vals.ai. 151 models tracked.
Top models
| # | Model | Score | Overall rank |
|---|---|---|---|
| 1 | Claude Fable 5 (Max) | 88.56 | #16 (Claude Fable 5) |
| 2 | Claude Fable 5.1 (Max) | 88.51 | #9 (Claude Fable 5.1) |
| 3 | Gemini 4 Argon (High) | 88.3 | #8 (Gemini 4 Argon) |
| 4 | Muse Wonder Full (Max) | 87.42 | #10 (Muse Wonder Full) |
| 5 | Gemini 3.1 Pro (Preview) (High) | 87.4 | #58 (Gemini 3.1 Pro (Preview)) |
| 6 | Gemini 3.7 Flash (High) | 87.26 | #23 (Gemini 3.7 Flash) |
| 7 | Gemini 3 Pro (Preview) (High) | 87.03 | #66 (Gemini 3 Pro (Preview)) |
| 8 | Gemini 3.8 Flash (High) | 86.99 | #21 (Gemini 3.8 Flash) |
| 9 | GPT-5.6 Sol (Max) | 86.97 | #19 (GPT-5.6 Sol) |
| 10 | Claude Opus 5 (Max) | 86.97 | #12 (Claude Opus 5) |
| 11 | Gemini 3 Flash (Preview) (High) | 86.86 | #82 (Gemini 3 Flash (Preview)) |
| 12 | Gemini 3.6 Flash (High) | 86.7 | #51 (Gemini 3.6 Flash) |
| 13 | GPT-5.5 (xHigh) | 86.52 | #31 (GPT-5.5) |
| 14 | Grok 4.6 (High) | 86.31 | #26 (Grok 4.6) |
| 15 | Kimi K3 (Max) | 86.21 | #30 (Kimi K3) |
No result here: #3 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.
Interactive version: theaggregate.ai/benchmark?slug=legalbench · How It Works · Data refreshed daily, snapshot 2026-10-20.