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gpt-5-codex
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- Models & capabilities 2
OpenAI's third DevDay: AgentKit, Apps SDK and Codex general availability
OpenAI opened ChatGPT to third-party apps built on the Model Context Protocol and shipped a visual agent-building toolkit, while Altman disclosed 800 million weekly ChatGPT users.
Models & capabilities
OpenAI ships GPT-5-Codex
The model became the default engine for Codex's cloud tasks and code review, and OpenAI said it could work independently on a task for hours at a time.
Models & capabilities