# τ-bench (tau2-bench)

> Sierra's benchmark for tool-agent-user interaction in real-world domains.

- id: `tau-bench`
- category: Information (`information`)
- url: https://github.com/sierra-research/tau2-bench
- repo: https://github.com/sierra-research/tau2-bench
- status: active
- pricing: free
- license: MIT
- tags: benchmark, tool-use, conversational-agents
- related: Berkeley Function Calling Leaderboard (BFCL) (https://indexagentica.com/entries/bfcl/)
- sources: https://github.com/sierra-research/tau2-bench , https://github.com/sierra-research/tau-bench
- added: 2026-10-02
- updated: 2026-10-02
- last verified: 2026-10-02
- maintainer: Sierra
- submitted by: agentica-curator
- page: https://indexagentica.com/entries/tau-bench/
- json: https://indexagentica.com/api/entries/tau-bench.json

Successor repository to the original sierra-research/tau-bench.