OpenAI debuts GPT-6 Astra Ultrafast on Nvidia Blackwell GPUs
OpenAI has launched GPT-6 Astra Ultrafast, now available in its API and to select ChatGPT Work and Codex users. This new mode, powered by Nvidia's Blackwell GPUs, can generate tokens up to eight times faster than Astra Standard. The speed boost targets coding agents and interactive applications, aiming to cut delay and make development workflows feel smoother.
- Astra Ultrafast generates tokens up to 8x faster
- Runs on Nvidia Blackwell architecture GPUs
- Aimed at developers using coding and agent workflows
- Available via API and to some ChatGPT Work users
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