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Written by AI from the official notes. Check them for exact details.Ultrafast mode is now available for GPT-6.1 Sol in Codex and ChatGPT Work, enhancing token generation speed.
- Ultrafast mode speeds up token generation.
- Available on Pro $500 and eligible Enterprise and Edu plans.
- Enterprise access is off by default and needs enabling.
- Supports inference residency in the US and Europe.
Why it matters: Users on eligible plans should consider enabling Ultrafast mode for improved performance.
Full release notes
Ultrafast mode speeds up token generation with GPT-6.1 Sol in Codex and ChatGPT Work.
Ultrafast is available on Pro $500 and eligible Enterprise and Edu plans. Enterprise access is off by default; workspace owners must enable it. GPT-6.1 Sol Ultrafast supports inference residency in the United States and Europe (EEA + Switzerland).
See Ultrafast mode for plan and workspace requirements, Models for model guidance, and Pricing for usage and credit rates.