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# Claude Sonnet 4.6 led Finance Agent at 63.3% in early 2026; no model reached two-thirds
- URL: https://aiadoption.org/data/finance-agent-benchmark/
- Published: 2026-10-19T16:06:19.000Z
- Updated: 2026-10-21T06:00:52.000Z
- Description: On Finance Agent v1.1, 537 tasks typical of an entry-level financial analyst, Claude Sonnet 4.6 led at 63.3% in early 2026. Scores among the top 15 models fell to 50.6%, a spread of 12.7 percentage points.
- Author: Manu
- Tags: Data, AI Benchmarks, AI in Finance, #chart, #ai-index-2026, #hub-benchmarks, #industry-finance, #topic-ai-agents

63.3%

#1

Finance Agent v1.1 accuracy of Claude Sonnet 4.6, the highest of the top 15; Kimi K2.5 was 15th at 50.6%

Claude Sonnet 4.663.3%

Claude Opus 4.6 (Thinking)60%

Kimi K2.550.6%

## What the chart shows

Finance Agent v1.1 tests AI agents on 537 questions typical of an entry-level financial analyst’s work, such as retrieving information, market research and financial projections. Claude Sonnet 4.6 led at 63.3%, ahead of Claude Opus 4.6 (Thinking) at 60% and Gemini 3.1 Pro Preview at 59.7%.

Results are more spread out than on the other finance benchmarks: the top 15 span 12.7 percentage points, down to Kimi K2.5 at 50.6%. Even the leader falls short of two-thirds accuracy.

## Key numbers

| Measure                        | Value                   |
| ------------------------------ | ----------------------- |
| Claude Sonnet 4.6              | 63.33%                  |
| Claude Opus 4.6 (Thinking)     | 60.05%                  |
| Gemini 3.1 Pro Preview (02/26) | 59.72%                  |
| GPT 5.2                        | 58.53%                  |
| Kimi K2.5, 15th                | 50.62%                  |
| Gap, 1st to 15th               | 12.71 percentage points |

## How to read it

- The benchmark was developed with Stanford researchers, a global systemically important bank and industry experts, per the AI Index.
- Scores are from Vals.ai’s Finance Agent v1.1 leaderboard; the AI Index shows the top 15 models.

**Source:** [Vals.ai](https://aiadoption.org/sources/#vals-ai), 2026, via the AI Index Report 2026 (Stanford HAI), figure 2.5.11: *Finance Agent v1.1: accuracy*. Chart and text by AI Adoption.  
Numbers checked against the published data on 20 October 2026.  
[Download the data (CSV)](https://charts.aiadoption.org/ai-index/csv/finance-agent-benchmark.csv?ref=aiadoption.org) · [Cite this chart](#source)