OpenAI to Discontinue GPT-5.5, ChatGPT, and Codex on Oct 14

On September 16, OpenAI confirmed that GPT-5.5 will be discontinued across ChatGPT, ChatGPT Work, and Codex starting October 14, affecting every subscription tier.
Users of Codex currently operating on GPT-5.5 are urged to migrate to GPT-5.6 Sol or GPT-6 Astra immediately. The company clarified that this deprecation applies to all plans, offering GPT-5.6 Sol and GPT-6 Astra as the designated alternatives for affected users.
Previously, OpenAI introduced GPT-5.5 on April 24, highlighting its ability to lower token usage while performing tasks equivalent to those handled by GPT-5.4.
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On September 16, OpenAI confirmed that GPT-5.5 will be discontinued across ChatGPT, ChatGPT Work, and Codex starting October 14, affecting every subscription tier.
Users of Codex currently operating on GPT-5.5 are urged to migrate to GPT-5.6 Sol or GPT-6 Astra immediately. The company clarified that this deprecation applies to all plans, offering GPT-5.6 Sol and GPT-6 Astra as the designated alternatives for affected users.
Previously, OpenAI introduced GPT-5.5 on April 24, highlighting its ability to lower token usage while performing tasks equivalent to those handled by GPT-5.4.
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