SOURCE-LINKED INTELLIGENCE

Previewing Ultrafast mode: GPT-5.6 Sol at up to 14X the speed

OpenAI News · article · Aug 13, 2026 · UTC

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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Evidence & attribution

OpenAI News · 2026-08-13T10:00:00.000Z

First collected: 2026-09-19T20:28:14.107Z. This is not the publication date.