GPT-5.6 Sol Ultrafast — up to 14x, powered by Cerebras

About

Preview of Ultrafast mode: GPT-5.6 Sol runs up to 14x faster (up to 750 tokens/s, powered by Cerebras). First rolling out to select OpenAI API customers; built for realtime voice, support, coding, design, finance research and security response.

Product

Ultrafast mode

Company

OpenAI

Category

AI

Posted

Aug 13, 2026

Duration

0:44

Views on X

4,119,800snapshot Sep 14, 2026

Author

@OpenAI

Original

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Tags

openai · gpt-5-6 · ultrafast · cerebras · api · manual-x-search