DiligenceBench (Thoughtful), best harness (Diligence Bench)
We show this table for reference; we do not rank on it.
A financial due-diligence agent benchmark from Thoughtful, scoring how well a model researches and analyzes a company the way an investment analyst would.
Benchmark score on Diligence Bench — November 13, 2026
We compile the Diligence Bench rows from provider self-reports. Inkling 2 Small leads the table at 58.1%. We do not use these results to rank models overall.
1 modelAgenticCurrentDisplay onlyUpdated November 13, 2026
Benchmark score table (1 model)
The one result on this page was reported by the lab that built the model.
| Rank | Model / configuration | Score | Who ran it | Parameters (B) | Open / closed |
|---|---|---|---|---|---|
| 1 | Inkling 2 SmallThinking Machines LabReported by Thinking Machines Lab | 58.1% | Reported by Thinking Machines Lab | Not reported | Closed |
- Lab-reported
- Benchmark-run
- Independent
How to read this leaderboard
Operator receipt: 1 sourced row is currently displayable on this page; the leading published row is Inkling 2 Small at 58.1%.
Honest limit: Best-harness scores; the harness can differ by model.
About Diligence Bench
Year
2026
Tasks
Financial due-diligence research tasks
Format
Score (%)
Difficulty
Agentic financial analysis
Thinking Machines attributes DiligenceBench to Thoughtful and reports best-harness scores in the Inkling 2 Small launch (November 5, 2026): Muse Spark Open 59.0%, Inkling 2 Small 58.1% and DeepSeek-V4.1-Flash-1017 50.4%.
Freshness and provenance
Version
Diligence Bench 2026
Refresh cadence
Quarterly
Staleness state
Current
Question availability
Public benchmark set
BenchLM uses freshness metadata to decide whether a benchmark should still be treated as a strong differentiator, a benchmark to watch, or a display-only reference. For the full scoring policy, see the BenchLM methodology page.
Questions
What does Diligence Bench measure?
A financial due-diligence agent benchmark from Thoughtful, scoring how well a model researches and analyzes a company the way an investment analyst would.
Which model scores highest on Diligence Bench?
Inkling 2 Small by Thinking Machines Lab currently leads with a score of 58.1% on Diligence Bench.
How many models are evaluated on Diligence Bench?
1 AI models have published results on Diligence Bench in the BenchLM catalog.
Know when it’s worth switching models
The model to choose, the cheaper alternative, and the release we would wait on.
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