# Harvey's Legal Agent Benchmark — AI model rankings

Harvey's test of whether an AI agent can complete real legal work — drafting and reviewing documents, working with spreadsheets and presentations, and navigating files the way a lawyer's assistant would. Higher is better.

7 tracked models have a published Harvey's Legal Agent Benchmark score. Higher is better. Scores are as published at each model's release.

## Ranking

| Rank | Model | Developer | Score | Released |
| --- | --- | --- | --- | --- |
| 1 | Gemini 3.7 Flash | Google | 90.7% | Aug 13 2026 |
| 2 | Muse Spark 1.1 | Meta | 20% | Jul 9 2026 |
| 3 | Grok 4.6 | SpaceXAI | 15.8% | Aug 12 2026 |
| 4 | Grok 4.5 | SpaceXAI | 12.92% | Jul 8 2026 |
| 5 | Claude Fable 5 | Anthropic | 11.25% | Jun 9 2026 |
| 6 | Claude Opus 4.8 | Anthropic | 9.58% | May 28 2026 |
| 7 | GPT-5.5 | OpenAI | 3.75% | Apr 23 2026 |


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Canonical page: https://aireleasetracker.com/benchmark/harvey-legal-agent
Full dataset: https://aireleasetracker.com/llms-full.txt · JSON: https://aireleasetracker.com/models.json
Source: AI Release Tracker (https://aireleasetracker.com). Benchmark scores are the figures published by the releasing lab at launch.