Contract Drafting & Redlining
Drafting, reviewing, and suggesting edits to legal contracts and agreements.
Provisional leader
gpt-5-2025-08-07
Current leader based on limited benchmark evidence. Treat this ranking as directional until coverage improves.
35.9%
Best benchmark score
43.9%
Confidence
All ranked models — top 3
Ranked Models
30
Evidence Quality
84%
Evidence Points
30
Top Signal
LEXam Leaderboard: average_score_pct
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 | 35.9% |
| 🥈 | gpt-5-mini-2025-08-07 Strong on LEXam Leaderboard average_score_pct and Vals Case Law v2 overall_accuracy_pct | 35.0% |
| 🥉 | gemini-2.5-pro Strong on LEXam Leaderboard average_score_pct and FACTS Benchmark Suite facts_grounding_score_pct | 33.7% |
| #4 | gemini-3.1-pro-preview Strong on Vals Legal Bench overall_accuracy_pct and Vals Case Law v2 overall_accuracy_pct | 32.4% |
| #5 | gemini-3-pro-preview Strong on Vals Legal Bench overall_accuracy_pct and LEXam Leaderboard average_score_pct | 29.4% |
| #6 | claude-sonnet-4 Strong on Vals Legal Bench overall_accuracy_pct and FACTS Benchmark Suite facts_grounding_score_pct | 26.4% |
| #7 | gpt-4.1-20250414 Strong on Vals Case Law v2 overall_accuracy_pct and Vals Legal Bench overall_accuracy_pct | 25.8% |
| #8 | Grok-4-0709 Strong on Vals Legal Bench overall_accuracy_pct and Vals Case Law v2 overall_accuracy_pct | 25.5% |
| #9 | gpt-5.2-2025-12-11 Strong on FACTS Benchmark Suite facts_grounding_score_pct and Vals Legal Bench overall_accuracy_pct | 24.5% |
| #10 | gemini-3-flash-preview Strong on Vals Legal Bench overall_accuracy_pct and FACTS Benchmark Suite facts_grounding_score_pct | 24.5% |
| #11 | claude-sonnet-4.6 Strong on Vals Legal Bench overall_accuracy_pct and Vals Case Law v2 overall_accuracy_pct | 23.7% |
| #12 | gemini-3.1-flash-lite-preview Strong on Vals Legal Bench overall_accuracy_pct and FACTS Benchmark Suite facts_grounding_score_pct | 23.4% |
| #13 | gpt-5.4-2026-03-05 Strong on Vals Legal Bench overall_accuracy_pct and Vals Case Law v2 overall_accuracy_pct | 23.1% |
| #14 | gpt-5.1-2025-11-13 Strong on Vals Case Law v2 overall_accuracy_pct and Vals Legal Bench overall_accuracy_pct | 22.6% |
| #15 | gemini-2.5-flash Strong on FACTS Benchmark Suite facts_grounding_score_pct and Galileo Agent Leaderboard v2 Avg TSQ | 22.0% |
| #16 | grok-4-fast-reasoning Strong on Vals Legal Bench overall_accuracy_pct and Vals Case Law v2 overall_accuracy_pct | 21.9% |
| #17 | claude-opus-4-5-20251101 Strong on Vals Legal Bench overall_accuracy_pct and FACTS Benchmark Suite facts_grounding_score_pct | 20.8% |
| #18 | deepseek-r1 Strong on LEXam Leaderboard average_score_pct and SYCON Bench (Table 2) sycon_unethical_tof_pct | 19.1% |
| #19 | grok-4-1-fast-reasoning Strong on Vals Legal Bench overall_accuracy_pct and Vals Case Law v2 overall_accuracy_pct | 18.9% |
| #20 | claude-opus-4-6-thinking Strong on Vals Legal Bench overall_accuracy_pct and Vals Case Law v2 overall_accuracy_pct | 16.7% |
| #21 | o3-20250416 Strong on Vals Legal Bench overall_accuracy_pct and SimpleQA Verified simpleqa_verified_score_pct | 16.4% |
| #22 | claude-opus-4-5-20251101-thinking Strong on Vals Legal Bench overall_accuracy_pct and Vals Case Law v2 overall_accuracy_pct | 16.1% |
| #23 | mistral-large-2512 Strong on Vals Legal Bench overall_accuracy_pct and Vals Case Law v2 overall_accuracy_pct | 16.0% |
| #25 | gpt-4.1 Strong on LEXam Leaderboard average_score_pct and LEXam Leaderboard open_question_judge_score_pct | 15.7% |
| #26 | grok-3 Strong on Vals Legal Bench overall_accuracy_pct and Vectara HHEM Leaderboard overall_hallucination_error_pct | 15.5% |
| #27 | claude-sonnet-4-5-20250929-thinking Strong on Vals Legal Bench overall_accuracy_pct and Vals Case Law v2 overall_accuracy_pct | 15.4% |
| #28 | claude-opus-4-1-20250805 Strong on Vals Legal Bench overall_accuracy_pct and FACTS Benchmark Suite facts_grounding_score_pct | 15.2% |
| #30 | Command A (03-2025) Strong on Vals Legal Bench overall_accuracy_pct and Vals Case Law v2 overall_accuracy_pct | 14.6% |
| #31 | Kimi K2 Thinking Strong on Vals Legal Bench overall_accuracy_pct and Vals Case Law v2 overall_accuracy_pct | 14.6% |
| #32 | MiniMax-M2.7 Strong on Vals Legal Bench overall_accuracy_pct and Vals Case Law v2 overall_accuracy_pct | 14.3% |
Compare Models
▶Ranking diagnostics & missing models
Source lift
Ranked
60
Sources
8
Quality
Low
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 Q&A (RAG grounded)
Answer contract questions grounded in the actual contract text.
Regulatory summary
Summarize and compare regulatory text with conservative interpretation.
Contract redline summary
Summarize material changes between contract versions with clause refs.
Clause playbook check
Check extracted terms against a playbook and flag deviations.