Contract Drafting & Redlining
Drafting, reviewing, and suggesting edits to legal contracts and agreements.
Best for this use case
gpt-5-2025-08-07
Strong on LEXam Leaderboard average_score_pct and Vals Legal Bench overall_accuracy_pct
32.6%
Best benchmark score
39.6%
Confidence
All ranked models — top 3
Ranked Models
30
Evidence Quality
94%
Evidence Points
30
Top Signal
LEXam Leaderboard: average_score_pct
Benchmark Sources
34
Last Updated
1d ago
Benchmark Sources (7)
All Ranked Models
| Rank | Model | Score |
|---|---|---|
| 🥇 | gpt-5-2025-08-07 Strong on LEXam Leaderboard average_score_pct and Vals Legal Bench overall_accuracy_pct | 32.6% |
| 🥈 | gpt-5-mini-2025-08-07 Strong on LEXam Leaderboard average_score_pct and Vals Case Law v2 overall_accuracy_pct | 31.8% |
| 🥉 | gemini-2.5-pro Strong on LEXam Leaderboard average_score_pct and FACTS Benchmark Suite facts_grounding_score_pct | 30.8% |
| #4 | gemini-3.1-pro-preview Strong on Vals Legal Bench overall_accuracy_pct and Vals Case Law v2 overall_accuracy_pct | 27.0% |
| #5 | gemini-3-pro-preview Strong on Vals Legal Bench overall_accuracy_pct and LEXam Leaderboard average_score_pct | 25.6% |
| #6 | claude-sonnet-4 Strong on Vals Legal Bench overall_accuracy_pct and FACTS Benchmark Suite facts_grounding_score_pct | 24.2% |
| #7 | gpt-4.1-20250414 Strong on Vals Case Law v2 overall_accuracy_pct and Vals Legal Bench overall_accuracy_pct | 23.7% |
| #8 | gemini-3-flash-preview Strong on Vals Legal Bench overall_accuracy_pct and FACTS Benchmark Suite facts_grounding_score_pct | 22.9% |
| #9 | gpt-5.2-2025-12-11 Strong on FACTS Benchmark Suite facts_grounding_score_pct and Vals Legal Bench overall_accuracy_pct | 22.8% |
| #10 | Grok-4-0709 Strong on Vals Legal Bench overall_accuracy_pct and Vals Case Law v2 overall_accuracy_pct | 22.4% |
| #11 | claude-sonnet-4.6 Strong on Vals Legal Bench overall_accuracy_pct and Vals Case Law v2 overall_accuracy_pct | 21.7% |
| #12 | gemini-3.1-flash-lite-preview Strong on Vals Legal Bench overall_accuracy_pct and FACTS Benchmark Suite facts_grounding_score_pct | 21.6% |
| #13 | gpt-5.4-2026-03-05 Strong on Vals Legal Bench overall_accuracy_pct and Vals Case Law v2 overall_accuracy_pct | 20.2% |
| #14 | gemini-2.5-flash Strong on FACTS Benchmark Suite facts_grounding_score_pct and Galileo Agent Leaderboard v2 Avg TSQ | 19.9% |
| #15 | grok-4-fast-reasoning Strong on Vals Legal Bench overall_accuracy_pct and Vals Case Law v2 overall_accuracy_pct | 19.5% |
| #16 | gpt-5.1-2025-11-13 Strong on Vals Case Law v2 overall_accuracy_pct and Vals Legal Bench overall_accuracy_pct | 19.5% |
| #17 | grok-4-1-fast-reasoning Strong on Vals Legal Bench overall_accuracy_pct and Vals Case Law v2 overall_accuracy_pct | 18.3% |
| #18 | claude-opus-4-5-20251101 Strong on Vals Legal Bench overall_accuracy_pct and FACTS Benchmark Suite facts_grounding_score_pct | 18.1% |
| #19 | deepseek-r1 Strong on LEXam Leaderboard average_score_pct and SYCON Bench (Table 2) sycon_unethical_tof_pct | 17.2% |
| #21 | claude-opus-4.7 Strong on Vals Case Law v2 overall_accuracy_pct and Vals Finance Agent overall_accuracy_pct | 16.5% |
| #24 | claude-opus-4-6-thinking Strong on Vals Legal Bench overall_accuracy_pct and Vals Case Law v2 overall_accuracy_pct | 15.6% |
| #32 | o3-20250416 Strong on Vals Legal Bench overall_accuracy_pct and Vals CorpFin v2 overall_accuracy_pct | 13.9% |
| #34 | Kimi K2 Thinking Strong on Vals Legal Bench overall_accuracy_pct and Vals Case Law v2 overall_accuracy_pct | 13.4% |
| #36 | grok-4-1-fast-non-reasoning Strong on Vals Legal Bench overall_accuracy_pct and Vals Finance Agent overall_accuracy_pct | 13.1% |
| #38 | claude-opus-4-1-20250805 Strong on Vals Legal Bench overall_accuracy_pct and FACTS Benchmark Suite facts_grounding_score_pct | 13.0% |
| #41 | grok-4.20-0309-reasoning Strong on Vals Legal Bench overall_accuracy_pct and Vals Case Law v2 overall_accuracy_pct | 12.4% |
| #45 | phi-4 Strong on Open LLM Leaderboard GPQA gpqa and Open LLM Leaderboard MMLU-Pro mmlu_pro_accuracy_pct | 12.2% |
| #48 | glm-4.7 Strong on Vals Legal Bench overall_accuracy_pct and Vals Case Law v2 overall_accuracy_pct | 11.5% |
| #50 | minimax-m2.1 Strong on Vals Legal Bench overall_accuracy_pct and Vals Case Law v2 overall_accuracy_pct | 11.1% |
| #53 | kimi-k2.5-thinking Strong on Vals Case Law v2 overall_accuracy_pct and Vals CorpFin v2 overall_accuracy_pct | 10.5% |
Compare Models
▶Ranking diagnostics & missing models
Source lift
Ranked
61
Sources
8
Quality
Good
Vals Legal Bench
Vals CorpFin v2
Vals Case Law v2
Vals Finance Agent
Missing frontier models
No obvious gaps right now.
▶Taxonomy & task details
Core tasks
Required modes
Domains
Related in Legal
Contract redline summary
Summarize material changes between contract versions with clause refs.
Clause playbook check
Check extracted terms against a playbook and flag deviations.
Contract term extraction
Extract key terms into structured fields with clause references.
Regulatory summary
Summarize and compare regulatory text with conservative interpretation.