ucc_v_common_law
- Task Description: Determine whether a contract is governed by the Uniform Commercial Code (UCC) or the common law of contracts.
- Task Type: Binary classification
- Document Type: fact pattern
- Number of Samples: 100
- Input Length Range: 22-49 tokens
- Evaluation Metrics: accuracy (maximize), balanced_accuracy (maximize), f1_macro (maximize), f1_micro (maximize), valid_predictions_ratio (maximize)
- Tags: contract law, rule application
- Paper: LegalBench: A Collaboratively Built Benchmark for Measuring Legal Reasoning in Large Language Models
- Dataset Download: https://hazyresearch.stanford.edu/legalbench/
19 submissions
| Rank | Model | accuracy | balanced_accuracy | f1_macro | f1_micro | valid_predictions_ratio | Date | Results |
|---|---|---|---|---|---|---|---|---|
| 1 | deepseek-ai/DeepSeek-V3 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 2025-07-10 | View |
| 2 | gpt-5-2025-08-07 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 2025-08-08 | View |
| 3 | grok-4-0709 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 2025-07-30 | View |
| 4 | claude-opus-4-1-20250805 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 2025-08-05 | View |
| 5 | grok-3-mini | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 2025-07-29 | View |
| 6 | meta-llama/Meta-Llama-3.1-405B-Instruct-Turbo | 0.989 | 0.988 | 0.989 | 0.989 | 1.000 | 2025-08-04 | View |
| 7 | o3 | 0.989 | 0.991 | 0.989 | 0.989 | 1.000 | 2025-07-08 | View |
| 8 | claude-opus-4-20250514 | 0.989 | 0.988 | 0.989 | 0.989 | 1.000 | 2025-07-25 | View |
| 9 | gpt-4o-mini | 0.979 | 0.975 | 0.978 | 0.979 | 1.000 | 2025-07-02 | View |
| 10 | o4-mini | 0.979 | 0.975 | 0.978 | 0.979 | 1.000 | 2025-07-08 | View |
| 11 | claude-3-5-haiku-20241022 | 0.979 | 0.975 | 0.978 | 0.979 | 1.000 | 2025-08-01 | View |
| 12 | claude-sonnet-4-20250514 | 0.957 | 0.950 | 0.956 | 0.957 | 1.000 | 2025-07-25 | View |
| 13 | meta-llama/Meta-Llama-3.1-70B-Instruct-Turbo | 0.957 | 0.963 | 0.957 | 0.957 | 1.000 | 2025-07-25 | View |
| 14 | openai/gpt-oss-120b | 0.940 | 0.931 | 0.937 | 0.940 | 0.883 | 2025-08-05 | View |
| 15 | gpt-4.1-nano | 0.936 | 0.928 | 0.934 | 0.936 | 1.000 | 2025-07-03 | View |
| 16 | o3-mini | 0.862 | 0.838 | 0.849 | 0.862 | 1.000 | 2025-07-09 | View |
| 17 | google/gemma-2-27b-it | 0.649 | 0.613 | 0.606 | 0.649 | 1.000 | 2025-07-24 | View |
| 18 | claude-3-haiku-20240307 | 0.574 | 0.500 | 0.365 | 0.574 | 1.000 | 2025-07-25 | View |
| 19 | deepseek-ai/DeepSeek-R1 | 0.574 | 0.500 | 0.365 | 0.574 | 1.000 | 2025-07-11 | View |