personal_jurisdiction
- Task Description: Determine if a court in a given forum can exercise personal jurisdiction over a defendant based on their contacts with that forum.
- Task Type: Binary classification
- Document Type: fact pattern
- Number of Samples: 54
- Input Length Range: 71-139 tokens
- Evaluation Metrics: accuracy (maximize), balanced_accuracy (maximize), f1_macro (maximize), f1_micro (maximize), valid_predictions_ratio (maximize)
- Tags: civil procedure, 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 | grok-4-0709 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 2025-07-30 | View |
| 2 | openai/gpt-oss-120b | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 2025-08-05 | View |
| 3 | gpt-5-2025-08-07 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 2025-08-08 | View |
| 4 | o3 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 2025-07-08 | View |
| 5 | claude-opus-4-20250514 | 0.980 | 0.976 | 0.979 | 0.980 | 1.000 | 2025-07-25 | View |
| 6 | grok-3-mini | 0.980 | 0.976 | 0.979 | 0.980 | 1.000 | 2025-07-29 | View |
| 7 | claude-opus-4-1-20250805 | 0.980 | 0.983 | 0.980 | 0.980 | 1.000 | 2025-08-05 | View |
| 8 | deepseek-ai/DeepSeek-R1 | 0.962 | 0.967 | 0.961 | 0.962 | 0.531 | 2025-07-11 | View |
| 9 | o4-mini | 0.960 | 0.952 | 0.958 | 0.960 | 1.000 | 2025-07-08 | View |
| 10 | o3-mini | 0.960 | 0.959 | 0.959 | 0.960 | 1.000 | 2025-07-09 | View |
| 11 | claude-sonnet-4-20250514 | 0.939 | 0.933 | 0.936 | 0.939 | 0.980 | 2025-07-25 | View |
| 12 | meta-llama/Meta-Llama-3.1-405B-Instruct-Turbo | 0.880 | 0.897 | 0.880 | 0.880 | 1.000 | 2025-08-03 | View |
| 13 | deepseek-ai/DeepSeek-V3 | 0.840 | 0.823 | 0.830 | 0.840 | 1.000 | 2025-07-10 | View |
| 14 | claude-3-5-haiku-20241022 | 0.800 | 0.775 | 0.783 | 0.800 | 1.000 | 2025-08-01 | View |
| 15 | meta-llama/Meta-Llama-3.1-70B-Instruct-Turbo | 0.800 | 0.801 | 0.797 | 0.800 | 1.000 | 2025-07-25 | View |
| 16 | google/gemma-2-27b-it | 0.780 | 0.797 | 0.780 | 0.780 | 1.000 | 2025-07-24 | View |
| 17 | gpt-4o-mini | 0.760 | 0.754 | 0.754 | 0.760 | 1.000 | 2025-07-02 | View |
| 18 | gpt-4.1-nano | 0.660 | 0.661 | 0.657 | 0.660 | 1.000 | 2025-07-03 | View |
| 19 | claude-3-haiku-20240307 | 0.640 | 0.611 | 0.609 | 0.640 | 1.000 | 2025-07-25 | View |