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 i ...
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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.

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GPT-5.5 is here: What OpenAI's new 'Spud' model can do and who can access it

OpenAI released GPT-5.5, internally codenamed "Spud," on Thursday, describing it as a faster and more capable model that can ...