68.3%
#1
CorpFin v2 accuracy of Kimi K2.5, the highest of the top 15; Qwen 3 Max Thinking scored 68%

What the chart shows

CorpFin v2 asks models questions about credit agreements that can run past 200 pages, from extracting terms to numeric reasoning and cross-referencing sections. Kimi K2.5 led at 68.3%, just ahead of Qwen 3 Max Thinking (68%) and Claude Opus 4.6 (Thinking) (67%).

The top 15 models are separated by 5.2 percentage points, down to GPT 4.1 at about 63%, and none breaks 70%. The benchmark also varies how much of the document a model is given, from the exact pages to as much as fits in its context.

Key numbers

MeasureValue
Kimi K2.568.26%
Qwen 3 Max Thinking68.03%
Claude Opus 4.6 (Thinking)67.02%
Grok 4 Fast (Reasoning)66.90%
GPT 4.1, 15th63.05%
Gap, 1st to 15th5.21 percentage points

How to read it

  • Questions were developed with financial analysts, lawyers and academics, per the AI Index.
  • Scores are from Vals.ai’s CorpFin v2 leaderboard; the AI Index shows the top 15 models.
Source: Vals.ai, 2026, via the AI Index Report 2026 (Stanford HAI), figure 2.5.10: CorpFin v2: accuracy. Chart and text by AI Adoption.
Numbers checked against the published data on 20 October 2026.
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