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OpenAI's New 'Ultrafast' Mode Shrinks Agent Response Times by Up to 8x

This story is from 2026-10-02. It is preserved in the archive; the latest stories are on the live feed.

OpenAI has released GPT-6 Astra Ultrafast , a faster inference mode of its Astra model running on NVIDIA Blackwell GPUs. It's available now through the OpenAI API and to eligible ChatGPT Work and Codex users. The headline figure: Ultrafast delivers up to 8x faster token generation than Astra's Stan…

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  1. 2026-10-02 06:42 · DEV Community — AI
    OpenAI's New 'Ultrafast' Mode Shrinks Agent Response Times by Up to 8x

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