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Braintrust

End-to-end platform for evaluating and shipping AI products with confidence

About Braintrust

Braintrust, founded in 2023 by Ankur Goyal (formerly of Impira and MemSQL), is an evaluation and observability platform purpose-built for LLM applications. It provides eval frameworks, prompt playgrounds, dataset management, and production logging in a unified workflow. Used by Notion, Airtable, Stripe, and Coursera to systematically improve AI features before and after shipping.

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