Previewing Ultrafast mode: GPT-5.6 Sol at up to 14X the speed
OpenAI News reports: Previewing Ultrafast mode: GPT-5.6 Sol at up to 14X the speed. Preview Ultrafast, a new OpenAI API service tier that runs GPT-5.6 Sol up…
By Dillip Chowdary • Aug 15, 2026 • Source: OpenAI News
What happened
OpenAI News reports: Previewing Ultrafast mode: GPT-5.6 Sol at up to 14X the speed. Preview Ultrafast, a new OpenAI API service tier that runs GPT-5.6 Sol up to 14× faster. Powered by Cerebras, it delivers up to 750 output tokens per second.
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