Customer service and tool use
τ-bench / τ²-bench
Policy-following conversations, tool actions and cooperative customer-service tasks.
About τ-bench / τ²-bench
What it measures
Task success and pass^k consistency across repeated runs.
Scope & limitations
pass^k measures consistent success and is not pass@k. Pin user simulator, policy version and turn limits.
Evaluation environment
Agent linked to benchmark tools and a fixed user simulator.