# Harvey's Legal Agent Benchmark (Held-out) — AI model rankings

Harvey's test of whether an AI agent can complete real legal work, scored on a held-out set of tasks the model makers never see — making the numbers harder to game. Higher is better.

1 tracked model have a published Harvey's Legal Agent Benchmark (Held-out) score. Higher is better. Scores are as published at each model's release.

## Ranking

| Rank | Model | Developer | Score | Released |
| --- | --- | --- | --- | --- |
| 1 | Claude Opus 5 | Anthropic | 11.7% | Jul 24 2026 |


---

Canonical page: https://aireleasetracker.com/benchmark/harvey-legal-agent-heldout
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.