Inference
Vals AI

Legal Research Bench

Evaluating agents on legal research tasks across diverse areas of US law

ModelsModels with a result.58
Top resultBest result on this test.55.3%Claude Fable 5.1
Top-3 spreadPoints from first to third.0.0 pts
UpdatedDate the source changed the results.21 Sept 2026

Result and cost

020406080100$0.003$0.01$0.03$0.1$0.3$1$3$10$30RESULTUS DOLLARS PER TASK · LOG SCALE

Results

58 results
#ModelResultThe score from the source.CostUS dollars to run one task.TimeTime to run one task.
01Claude Fable 5.155.3%$23.0657 min
01Claude Opus 555.3%$6.7631 min
01Muse Spark 1.3 Max55.3%$0.5895 min
04Claude Fable 549.5%$9.7922 min
05GLM-5.349.0%$2.2452 min
06GPT-5.6 Sol48.1%$21.6177 min
06Grok 4.648.1%$1.5325 min
08Qwen3.8 Max47.6%$2.4961 min
09Grok 4.747.1%$4.9221 min
10Hy4 preview45.2%$0.84664 min
10GLM-5.3-Flash45.2%$0.1251 min
12Claude Opus 4.843.8%$2.8212 min
12Muse Spark 1.243.8%$0.5085 min
14Claude Sonnet 541.8%$4.0826 min
15GPT-5.6 Terra41.3%$7.9170 min
15DeepSeek V4.1 Flash41.3%$0.24812 min
17Muse Spark 1.340.9%$0.659 min
18GPT-5.540.4%$7.438 min
19GPT-6 Astra39.4%$10.5825 min
20Gemini 3.8 Flash38.9%$1.635 min
21Claude Opus 4.738.5%$3.069 min
21Claude Sonnet 4.638.5%$2.316 min
23Muse Spark 1.138.0%$0.3775 min
23Grok 4.538.0%$1.0916 min
25GPT-5.6 Luna36.5%$0.84540 min
26Qwen3.8-27B36.1%$2.1627 min
27Gemini 3.7 Flash34.6%$0.765 min
28DeepSeek V4 Pro 042332.0%$1.0942 min
29GLM-5.231.3%$0.88917 min
30Gemini 3.5 Flash30.8%$1.315 min
31DeepSeek V4 Flash 042330.3%$0.27521 min
32MiniMax M329.8%$0.34314 min
33Inkling28.4%$0.49414 min
34GLM-5.127.9%$0.3865 min
35Qwen3.7 Max25.5%$1.413 min
35Inkling-Small25.5%$0.14213 min
37Gemini 3.6 Flash25.0%$0.4673 min
38Gemini 3.1 Pro Preview20.7%$1.14 min
39Gemini 3 Flash Preview18.3%$0.1353 min
40Qwen3.7 Plus16.3%$0.29614 min
41MiMo-V2.5-Pro15.9%$0.0837 min
41Kimi K2.5 Thinking15.9%$0.2322 min
43Grok 4.315.4%$0.20385 s
44Qwen3.6 Plus14.9%$0.69811 min
45Grok 4.20 (Reasoning)13.9%$0.2614 min
45Gemini 3.5 Flash-Lite13.9%$0.12559 s
47GPT-5.4 mini12.5%$1.8638 min
48MiniMax M2.710.6%$0.2197 min
48Claude Haiku 4.5 Thinking10.6%$0.2694 min
50MiMo-V2.59.1%$0.0337 min
50Mistral Medium 3.59.1%$1.3110 min
52GPT-5.4 nano6.3%$0.1419 min
53Mercury 2.54.3%$0.05846 s
54Gemini 3.1 Flash Lite Preview3.4%$0.01420 s
55Nemotron Lightning 3p5 30B A3B2.9%<$0.015 min
56Laguna M.12.4%$0.228 min
57Laguna XS.21.0%$0.1086 min
58Ling 3.0 Flash0.0%$0.0364 min