Tax Agent Bench leaderboard
As of November 14, 2026, among the results listed here, Thinking Machines Inkling 2 Small has the highest reported Tax Agent Bench score, 65.8%, published by Thinking Machines. 1 model has a Tax Agent Bench result in our records.
Scores as the model makers published them, not re-run by us; each row links to its announcement.
Best reported score
65.8%
T Thinking Machines Inkling 2 Small
Reported by Thinking Machines, November 9, 2026
1 model ranked · 1 maker
| Rank | Model | Score | Setting | Reported by | Date |
|---|---|---|---|---|---|
| 1 | T Inkling 2 Small | 65.8% | Not published | Thinking Machines | November 9, 2026 (model release) |
How much to trust these numbers
- Source
- Reported by the model makers themselves. Not re-run by LLMBenchmark or anyone independent.
- Settings
- All ranked results use the same reported setting.
- Freshness
- Published November 9, 2026.
What Tax Agent Bench measures
It asks a model to perform agentic US corporate tax research; its score is the percentage of tasks answered correctly. Source: Finance Agent v1.1 Leaderboard and Methodology