Prove the lift · AI model performance evaluation

claude-opus-4-8 vs gpt-4.1-mini

+22-point lift for claude-opus-4-8 on financial-doc-extract

Test summary

This benchmark evaluates claude-opus-4-8 against gpt-4.1-mini on the financial-doc-extract v1 dataset (5 rows), scored by an LLM-as-judge (claude-haiku-4-5, run locally). claude-opus-4-8 reached a 58% pass rate versus 36% for gpt-4.1-mini — a +22-point lift.

Base model
gpt-4.1-mini
via openai · 36% pass rate
Refined model
claude-opus-4-8
via anthropic · 58% pass rate · 1.6s p95
Base pass rate
36%
Refined pass rate
58%
Refined p95
1.6s
Est. tokens saved
13.6K
+0pts
refined beats base on 5 rows
0%
Base model
0%
Invoked-refined
2 improved0 regressed3 unchanged

Per-row results

1Extract net revenue and YoY change from an earnings PDF100%100%0
2Determine the reporting period from a 10-Q header0%100%+100
3Pull the diluted EPS from an income statement100%100%0
4Identify a going-concern note in the footnotes0%100%+100
5Extract total debt from a balance sheet100%100%0
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