OpenAI officially releases GPT-5.5, now live in ChatGPT and Codex
ZacharyHuang12 · x · 2026-10-24
OpenAI officially announced GPT-5.5, calling it "a new class of intelligence for real work and powering agents" — built to understand complex goals, use tools, check its own work, and carry tasks through to completion.
The model is now available in ChatGPT and Codex. The announcement describes it as marking "a new way of getting computer work done."
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