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

9to5Mac · Apr 23, 2026, 6:20 PM · Also reported by 2 other sources

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 work.” more…

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

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