OpenAI upgrades ChatGPT and Codex with GPT-5.5: ‘a new class of intelligence for real work’

OpenAI is capping off a busy week of announcements with the release of GPT-5.5, its latest model upgrade for ChatGPT and Codex. The company calls its new model “a new class of intelligence for real ...
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OpenAI Releases GPT-5.5: Faster, Smarter—And Pricier

OpenAI's newest model matches GPT-5.4's speed while outperforming it on nearly every benchmark. It's rolling out to paid ChatGPT users today.

OpenAI releases GPT-5.5, a more powerful engine for coding, science, and general work

The company is positioning its newest system as its strongest agentic coding model yet, as it faces pressure to keep pace ...
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OpenAI debuts Codex-powered workspace agents for teams

OpenAI has launched Codex-powered workspace agents in ChatGPT, enabling teams to automate complex, multi-step workflows ...