Prove the lift · AI model performance evaluation
claude-sonnet-4-6 vs grok-3
+19-point lift for claude-sonnet-4-6 on legal-research-qa
Test summary
This benchmark evaluates claude-sonnet-4-6 against grok-3 on the legal-research-qa v3 dataset (5 rows), scored by an LLM-as-judge (gpt-4o-mini, run locally). claude-sonnet-4-6 reached a 78% pass rate versus 59% for grok-3 — a +19-point lift.
- Base model
- grok-3
- via xai · 59% pass rate
- Refined model
- claude-sonnet-4-6
- via anthropic · 78% pass rate · 3.5s p95
Base pass rate
59%
Refined pass rate
78%
Refined p95
3.5s
Est. tokens saved
6.8K
+0pts
refined beats base on 5 rows
0%
Base model0%
Invoked-refined▲0 improved▼0 regressed●4 unchanged
Per-row results
1Summarize the holding of a cited appellate case100% → 100%0
2Determine whether a precedent was overruled100% → 100%0
3Identify the controlling statute in a fact pattern100% → 100%0
4Extract the standard of review applied100% → 100%0
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