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OpenAI

Engineering

Stories about the technology and builders at OpenAI.

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From model to agent: Equipping the Responses API with a computer environment

Engineering

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Beyond rate limits: scaling access to Codex and Sora

Engineering

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Harness engineering: leveraging Codex in an agent-first world

Engineering

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Unlocking the Codex harness: how we built the App Server

Engineering

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Inside OpenAI’s in-house data agent

Engineering

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Unrolling the Codex agent loop

Engineering

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Scaling PostgreSQL to power 800 million ChatGPT users

Engineering

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How we used Codex to build Sora for Android in 28 days

Engineering

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How we built OWL, the new architecture behind our ChatGPT-based browser, Atlas

Engineering