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OpenAI released their Decisions API today, so I made it try to predict the future against Jev, Clef and Polymarket (open source!)

OpenAI dropped their Decisions API in beta today, and the first thing I wanted to know was how it actually thinks compared to the other two decision models out right now, TypeSafe's Jev and Cloudflare's Clef (open weights). Benchmarks felt like the wrong test. Every model has probably seen the answ…

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  1. 2026-10-07 17:47 · r/AI_Agents
    OpenAI released their Decisions API today, so I made it try to predict the future against Jev, Clef and Polymarket (open source!)

More stories

  1. Introducing the Decisions API — OpenAI YouTube
  2. llm-openai-decisions 0.1a0 — Simon Willison's Weblog
  3. Why Dwarkesh is Wrong about Computer Use + How OpenAI shipped its Jev competitor in 1 Week — Latent Space
  4. A planted "P.S." fooled Jev, TypeSafe's new decision model. A boring rule caught it. — r/PromptEngineering
  5. New frontier AI models, TypeSafe’s Jev AI, & NASA’s IBM collab — Mixture of Experts (IBM)
  6. What’s next after Jev? Metacache: Reasoning by Construction — r/machinelearningnews
  7. 113 Decision Models in 3 Weeks (Mostly Qwen and Gemma Fine-Tunes): A Deep Dive — r/AI_Agents
  8. 10 Jev Projects on GitHub You Should Check Out — Analytics Vidhya

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