Ben Shi

Ben is on the Research team at Sierra. Previously, he was at Princeton University and Meta.

Posts by Ben Shi

Gradient mixed colors, t-bench and leaderboard icons

𝜏-Bench leaderboard: compare, explore, and understand agent performance

Introducing the 𝜏-Bench leaderboard — a community-driven platform where researchers can submit, verify, and compare results while exploring model behavior through interactive tools.

October 13, 2025

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