OpenAI previews GPT-5.6 Sol ultrafast mode at 14x speed, rolling out to select customers
DeryaTR_ · x · 2026-08-15
OpenAI has announced a preview of GPT-5.6 Sol's ultrafast mode, offering up to 14x speed improvement. The mode is launching first in the OpenAI API to a select group of customers, with expanded access as capacity grows. Running on Cerebras at 14x speeds, it marks the era of speed in AI.
Related event: OpenAI and Cerebras Preview Ultrafast Mode for GPT-5.6 Sol at 750 Tokens/s(20 posts)→
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