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OpenAI makes the GPT-6 Astra Ultrafast model available via API and to selected users

clearly official source

The GPT-6 Astra Ultrafast model is available in OpenAI API and to eligible users of ChatGPT Work and Codex. It runs on NVIDIA Blackwell GPU and, according to NVIDIA, offers up to 8× faster token generation than Astra Standard mode.

The GPT-6 Astra Ultrafast model is now available in OpenAI API and to eligible users of ChatGPT Work and Codex. Access in these services has therefore not been announced for all users.

The model runs on NVIDIA Blackwell GPU. According to NVIDIA, it uses inference optimizations and the capabilities of this architecture to generate tokens up to 8× faster than Astra Standard mode. This comparison concerns token generation speed, not the total time to complete a task. You can find details in the source article.

What changed

Why it matters

Faster token generation may reduce the wait for responses when working in ChatGPT Work and Codex. Availability through OpenAI API allows companies to test the benefit for the response time of their own applications; the figure of up to 8× is a claim by NVIDIA about token generation.

Release card

GPT-6 Astra Ultrafast

OpenAI

Availability
The model is now available in OpenAI API and to eligible users of ChatGPT Work and Codex.
Documented measurements
  • Rychlost generování tokenů Až 8× rychlejší než režim Astra Standard According to NVIDIA, the model generates tokens up to eight times faster than Astra Standard mode.

The source compares the model with Astra Standard mode in terms of token generation speed.

The card summarizes information from the article and any dated corrections, with a link to the original source. It is not our assessment of the model. It does not yet have a dedicated editorial profile. Model selection and other announcements →

Two audiences, two different impacts

What this means

01

For individuals

If you have eligible access to ChatGPT Work or Codex, you can use the GPT-6 Astra Ultrafast model and assess whether faster response generation makes your everyday work easier.

What to do Check whether your access to ChatGPT Work or Codex includes the GPT-6 Astra Ultrafast model.
More practical updates →
02

For a business

Availability through OpenAI API gives development teams the opportunity to test response generation speed in their own applications. The claimed speedup alone does not demonstrate the same benefit for the entire business process.

Development
What to decide On a representative task, compare both token generation speed and overall application response time with Astra Standard mode.
More business impacts →
ChatGPT Work Codex GPT-6 Astra Ultrafast Nvidia Blackwell OpenAI API

Check the original

Event sources

clearly official source · 1 publisher, 0 independent. We count feeds from the same owner only once.

1
NVIDIA Newsroom (press releases) primary source · first detected How NVIDIA GPUs Help Accelerate OpenAI’s GPT-6 Astra Ultrafast