Research

Showing 2 results

𝜏³-bench: advancing agent benchmarking to knowledge and voice

𝜏³-bench is here. We've expanded agent evaluation to two new frontiers: knowledge retrieval and voice.

18 March 2026

𝜏²-bench: evaluating conversational agents in a dual-control environment

𝜏²-bench challenges AI agents not just to reason and act, but to coordinate, guide, and assist a user in achieving a shared objective. This leap from solo operation to co-ownership of a task pushes agents into a much more demanding space.

11 June 2025

Product Thought leadership

Discover what Sierra can do for you.

Find out how Sierra can help your business build better, more human customer experiences with AI.

Learn more