τ²-bench
- Anthropic
Results
| Model | Score | Source | Human-verified |
|---|---|---|---|
| Claude Opus 4.65 Feb 2026 · Anthropic | 99.3% | Claude Opus 4.6Source image | Yes |
Benchmark
github.comHigher is better
SierraIntroduced 9 Jun 2025
| Model | Score | Source | Human-verified |
|---|---|---|---|
| Claude Opus 4.65 Feb 2026 · Anthropic | 99.3% | Claude Opus 4.6Source image | Yes |
github.comHigher is better
SierraIntroduced 9 Jun 2025