🚨GPT-5.5 has appeared in the Codex model selector, OpenAI @OpenAI has not officially announced it yet.


GPT-5.5 has appeared in the dropdown list of OpenAI Codex's model selector, located at the top of the list. As of now, OpenAI has not released any official announcement or documentation regarding GPT-5.5.
Previously, multiple media reports indicated that the next-generation cutting-edge model codenamed "#Spud" by OpenAI had completed pre-training by the end of March. The public widely speculated that its official name would be GPT-5.5 or GPT-6, with a release expected in the second quarter.
Currently, on Polymarket, the event "Predict when OpenAI's next-generation large model GPT-5.5 will be released" has not yet reflected the probability as of April 22, 2026. There is room for speculation. 🤨🤨
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