Benchmark Almanac

FinStepBench DeepResearch

Claude Opus 5 59.1% leads since September 2026
Not in model cards

Models write finance research reports. The score is the published DeepResearch percentage.

One track of FinStepBench. The FinStepBench record keeps lab scores that combine tracks.

Made by
StepFun
Released
September 2026
Kind
Finance
Level
Expert
Scored
Graded by a model
Answers
Open-ended
Tasks
Kept private
Strongest model tested
GPT-6 Astra #3 on the capability index
Last model added
September 2026
Scores refreshed
November 12th, 2026
6
Models scored on its own leaderboard

Claude Opus 5 leads with 59.1% among models released by September 2026

Best score per model from the benchmark's own leaderboard, read on November 12th, 2026. Where a model ran with several settings or harnesses, we keep its best.

The newest model with a score here came out in September 2026, and nobody has tested a newer one. Among the 20 highest-ranked models on the capability index, these have no score yet:

  1. 59.1 Claude Opus 5
  2. 55.8 Step 5 Preview
  3. 53.3 GLM-5.3
  4. 50.2 DeepSeek V4.1 Flash
  5. 48.9 Kimi K3
  6. 45.0 GPT-6 Astra
  1. 1 Claude Opus 5 Max 59.1%
  2. 2 Step 5 Preview High 55.8%
  3. 3 GLM-5.3 Max 53.3%
  4. 4 DeepSeek V4.1 Flash 50.2%
  5. 5 Kimi K3 Max 48.9%
  6. 6 GPT-6 Astra Max 45%

Source: Official FinStepBench DeepResearch leaderboard

#ModelScoreSettingDateSource
1 Claude Opus 5 59.1% Max Jul 2026 Official leaderboard
2 Step 5 Preview 55.8% High Sep 2026 Official leaderboard
3 GLM-5.3 53.3% Max Aug 2026 Official leaderboard
4 DeepSeek V4.1 Flash 50.2% Sep 2026 Official leaderboard
5 Kimi K3 48.9% Max Jul 2026 Official leaderboard
6 GPT-6 Astra 45% Max Sep 2026 Official leaderboard

Number one over time

Lab claims count from the day the card came out, independent runs from the model’s release.

Anthropic
Own leaderboard Not tested since Sep 2026
Claude Opus 5 59.1%

Source: Official FinStepBench DeepResearch leaderboard

Scores over time

All the scores we have, one dot each, so a model tested at several settings appears more than once.

On the benchmark’s own leaderboard Best so far
0% 20% 40% 60% 80% 100% Near the ceiling (85%) Claude Opus 5 Kimi K3 0% 20% 40% 60% 80% 100% Near the ceiling (85%) Claude Opus 5 Kimi K3

Source: Official FinStepBench DeepResearch leaderboard

No lab model card reports it yet

We read the headline results of 522 launch posts from 52 labs, and none of them list this benchmark.

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