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Harvey's Legal Agent Benchmark - Immigration

Professional Work · 2026-05-06

The Immigration split of Vals' archived v1 Harvey Legal Agent Benchmark held-out evaluation. Its task score averages two judges' all-criteria-pass decisions rather than counting binary task successes.

Top models (higher is better)

ModelScore
Muse Spark 1.240.0
Muse Spark 1.340.0
DeepSeek V4.1 Flash 101720.0
Gemini 4 Argon20.0
Mistral Large 4 Preview20.0
Muse Spark 1.120.0
Muse Spark Open20.0
Muse Wonder Full20.0
Haiku 4.50.0
Claude Haiku 5.50.0
Opus 4.70.0
Opus 4.80.0
Claude Opus 5.50.0
Claude Opus 50.0
Sonnet 4.60.0
Claude Sonnet 5.50.0
Sonnet 50.0
DeepSeek V4.1 Flash0.0
DeepSeek-V4-Flash-07310.0
DeepSeek V4 Pro 08130.0
DeepSeek-V4-Pro0.0
Ember-10.0
Gemini 3.1 Flash-Lite Preview0.0
Gemini 3.1 Pro Preview0.0
Gemini 3.5 Flash0.0
Gemini 3.5 Flash-Lite0.0
Gemini 3.6 Flash0.0
Gemini 3.7 Flash0.0
Gemini 3.8 Flash0.0
Gemini 3 Flash Preview0.0
GLM-5.10.0
GLM-5.20.0
GLM-5.3 Flash0.0
GLM-5.30.0
GPT-5.4 Mini0.0
GPT-5.4 Nano0.0
GPT-5.40.0
GPT-5.50.0
GPT-5.6 Luna0.0
GPT-5.6 Sol0.0
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