LegalBench leaderboard (Oct 2026): AI model scores
As of 13 Oct 2026, the highest reported Google score on LegalBench is Gemini 4 Argon (Google) at 88.30%, #3 on that leaderboard, per Vals AI.
What it measures
A wide range of open-source legal reasoning tasks.
Open-source legal reasoning tasks such as issue spotting, rule recall and contract interpretation, scored on accuracy.
What the score means
Accuracy
Share of LegalBench questions answered correctly.
Results from published AI leaderboards. Compare models within each benchmark; scores from different tests aren’t directly comparable. How we collect these results
Scores by model
Run by Vals AI. Leaderboard dated 13 Oct 2026. Last checked 22 Oct 2026. Showing top 25 of 151 models listed.
Highlight a provider: Anthropic OpenAI Google xAI Meta Z.ai Moonshot MiniMax
Highlighting Google models. Other providers are dimmed. Show all providers
- Anthropic
- OpenAI
- xAI
- Meta
- Z.ai
- Moonshot
- MiniMax
- Accuracy
- Share of LegalBench questions answered correctly.
All scores
| Rank | Model | Provider | Accuracy | Price in / out ($/1M tokens) |
|---|---|---|---|---|
| 1 | Claude Fable 5 | Anthropic | 88.56% | $10 / $50 |
| 2 | Claude Fable 5.1 | Anthropic | 88.51% | $10 / $50 |
| 3 | Gemini 4 Argon | 88.30% | $4 / $20 | |
| 4 | Wonder Full | Meta | 87.42% | $4 / $20 |
| 5 | Gemini 3.1 Pro Preview (02/26) | 87.40% | $2 / $12 | |
| 6 | Gemini 3.7 Flash | 87.26% | $1.5 / $7.5 | |
| 7 | Gemini 3 Pro (11/25) | 87.03% | $2 / $12 | |
| 8 | Gemini 3.8 Flash | 86.99% | $1.5 / $7.5 | |
| 9 | Claude Opus 5 | Anthropic | 86.97% | $5 / $25 |
| 10 | GPT-5.6 Sol | OpenAI | 86.97% | $4 / $20 |
Show 15 more rows
| Rank | Model | Provider | Accuracy | Price in / out ($/1M tokens) |
|---|---|---|---|---|
| 11 | Gemini 3 Flash (12/25) | 86.86% | $0.5 / $3 | |
| 12 | Gemini 3.6 Flash | 86.70% | $1.5 / $7.5 | |
| 13 | GPT 5.5 | OpenAI | 86.52% | $5 / $30 |
| 14 | Grok 4.6 | xAI | 86.31% | $2 / $6 |
| 15 | GLM Legal | Z.ai | 86.23% | $0.075 / $0.25 |
| 16 | Kimi K3 | Moonshot | 86.21% | $3 / $15 |
| 17 | GPT 5.4 (xhigh) | OpenAI | 86.04% | $2.5 / $15 |
| 18 | GPT 5 | OpenAI | 86.02% | $1.25 / $10 |
| 19 | Grok 4.5 | xAI | 85.97% | $2 / $6 |
| 20 | GPT 5.1 | OpenAI | 85.68% | $1.25 / $10 |
| 21 | MiniMax-M3 | MiniMax | 85.42% | $0.6 / $2.4 |
| 22 | Claude Opus 4.6 (Thinking) | Anthropic | 85.30% | $5 / $25 |
| 23 | Muse Spark 1.2 | Meta | 85.26% | $1.25 / $4.25 |
| 24 | Claude Opus 4.7 | Anthropic | 85.25% | $5 / $25 |
| 25 | GPT-5.6 Terra | OpenAI | 85.11% | $2 / $12 |
Source: Vals AI leaderboard ↗
Best-ranked Google model here: Gemini 4 Argon (Google). Try prompts for Gemini →