# OpenAI releases Ultrafast mode for Astra

The mode runs up to 8x faster than Astra Standard and 4x faster than Astra Fast in Codex.

- Available to all developers via the API.
- Available in Codex and ChatGPT Work on Enterprise plans and through the Pro 500 plan.
- OpenAI plans to launch Ultrafast support for GPT-6.1 Sol soon.

## Why it matters

Developers and Enterprise subscribers gain faster generation speeds when using Astra across API endpoints and coding tools.

## Sources

- [OpenAI: OpenAI releases Ultrafast mode for Astra](https://x.com/OpenAIDevs/status/2104996045482778973)

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Summarized by dstilled on 2026-09-29. https://dstilled.ai/story/ec9c105d-57c6-419e-9eb0-bb5509968991