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hamel_husain · Oct 20, 2026 · news
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How To Use Decision Models for Evals
hamel.devOct 20, 2026
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In brief
Decision models have exploded onto the scene recently, starting with TypeSafe’s Jev, followed by Perplexity’s Decider, Liquid’s d1, Cloudflare’s Clef, and OpenAI’s Decisions API 1 . These models promise fast, inexpens...

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