gpt 5 3 instant

  1. ChatGPT

    GPT 5.3 Instant Powers Faster Copilot in Microsoft 365

    Microsoft’s Copilot stack has just entered another rapid model refresh cycle, and the implications for enterprise users are bigger than the model name might suggest. OpenAI has now positioned GPT-5.3 Instant as its default everyday model for ChatGPT, while Microsoft has folded it into Microsoft...
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