Braintrust
braintrust.dev
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Overview
Braintrust is a San Francisco company founded in 2023 that provides evaluation and observability tooling for teams shipping large language model products. Its platform stores prompts and datasets, scores model outputs against them and tracks regressions as models and prompts change, turning AI development into a measurable engineering loop. It is used by software companies that need to compare providers and validate agents before release.
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Evaluating the GPT-5.6 family - Evals
I mapped the GPT-5.6 family across task families and difficulty, with an Anthropic comparison, to find the cheapest model that clears your reliability bar.
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Automate pattern discovery with Topics, now generally available - Blog
Topics reads your production AI traces and automatically clusters them into named categories, so you can go from pattern discovery to validated fix without switching tools.
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AI evaluation startup Braintrust confirms breach, tells every customer to rotate sensitive keys
Braintrust, a startup that makes an
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Encyclopedia Evalica
A complete alphabetical index of Encyclopedia Evalica terms and definitions.
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How Retool uses Loop to turn logs into AI roadmap decisions - Customers
Learn how Retool uses Loop to query production data and define their product roadmap.
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