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OpenAI announces deprecation of GPT-5.6 Sol Ultra Fast

1 article1 sourcesince Nov 5Last article 1h ago ·

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OpenAI announces it will deprecate GPT-5.6 Sol Ultra Fast, according to a November 5, 2026 post by SemiAnalysis on X. SemiAnalysis reports that Cerebras had publicly said it ran the model at ultra-fast speeds.

The available report gives no date for the deprecation, no replacement model, and no reason from OpenAI.

Written by AI from the articles below · updated Nov 6, 12:23 AM ET

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Latest developmentNov 5, 11:59 PM ET
OpenAI announces deprecation of GPT-5.6 Sol Ultra Fast

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The articles in this story. Times are ET.

Nov 5
  1. SemiAnalysisX
    OpenAI announces deprecation of GPT-5.6 Sol Ultra Fast

    AIOpenAI says it will deprecate GPT-5.6 Sol Ultra Fast, a model Cerebras had publicly said it ran at ultra-fast speeds.

    Image from @SemiAnalysis_'s post

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