AI Matters
Why it matters
OpenAI launches GPT-6 Astra Ultrafast for ChatGPT Work and Codex users
NVIDIA AI Blog How NVIDIA GPUs Help Accelerate OpenAI’s GPT-6 Astra Ultrafast
OpenAI made GPT-6 Astra Ultrafast, running on NVIDIA Blackwell chips, available in its API and to eligible ChatGPT Work and Codex users.
Why it matters
Eligible ChatGPT Work and Codex users get a much faster version of OpenAI's top model, so responses and coding tasks should finish sooner.
Latest brief · Oct 19, 2026