Prove the lift · AI model performance evaluation
claude-sonnet-4-6 vs gemini-1.5-pro
+12-point lift for claude-sonnet-4-6 on legal-research-qa
Test summary
This benchmark evaluates claude-sonnet-4-6 against gemini-1.5-pro on the legal-research-qa v1 dataset (5 rows), scored by an LLM-as-judge (gpt-4o-mini, run locally). claude-sonnet-4-6 reached a 38% pass rate versus 26% for gemini-1.5-pro — a +12-point lift.
- Base model
- gemini-1.5-pro
- via google · 26% pass rate
- Refined model
- claude-sonnet-4-6
- via anthropic · 38% pass rate · 2.0s p95
Base pass rate
26%
Refined pass rate
38%
Refined p95
2.0s
Est. tokens saved
2.4K
+0pts
refined beats base on 5 rows
0%
Base model0%
Invoked-refined▲0 improved▼0 regressed●4 unchanged
Per-row results
1Extract the standard of review applied0% → 0%0
2Identify the controlling statute in a fact pattern0% → 0%0
3Determine whether a precedent was overruled100% → 100%0
4Summarize the holding of a cited appellate case0% → 0%0
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