Access to the feature is limited to the $500 Pro plan and eligible Enterprise and Education plans, with the latter requiring administrator activation. OpenAI has enabled data residency for Ultrafast in the US and EU, including Switzerland and the EEA, and extended EU data residency to the GPT-6 Luna Fast and GPT-6.1 Sol Fast models.
Tuesday, October 20, 2026
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OpenAI Launches 8x Faster GPT-6.1 Sol Ultrafast Mode
AI12 days ago
Token generation is now available at accelerated rates for the API, Codex, and ChatGPT Work through an update to the GPT-6.1 Sol model. This 'Ultrafast' mode delivers speeds up to 8x faster than Sol Standard to support time-critical tasks like debugging outages and navigating agents through apps. For API users, the cost of the new mode is $12 per million input tokens and $60 per million output tokens.
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