𝜏³-bench: Voice

𝜏³-bench is here and we’ve expanded agent evaluation to voice.

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𝜏-bench: benchmarking AI agents for the real-world

Sierra’s AI research team is on a mission to advance the frontier of conversational AI agents. In this research paper, we present a new benchmark for evaluating AI agents' performance and reliability in real-world settings, with dynamic user and tool interaction.

17 de junio de 2024

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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 de junio de 2025

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𝜏³-bench: Knowledge

𝜏³-bench is here and we've expanded agent evaluation to knowledge.

18 de marzo de 2026

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Descubre cómo Sierra puede ayudarte a obtener mejores resultados con IA.

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