OpenAI launches GPT-5.6 Sol Ultrafast mode delivering 14x inference speed

According to TechCrunch, OpenAI released a preview of Ultrafast mode for GPT-5.6 Sol, delivering up to 750 output tokens per second at 14x the speed of standard processing. The company said the mode is designed for enterprise workflows including incident response, customer service, and financial market analysis. Ultrafast is powered by OpenAI's partnership with chipmaker Cerebras.

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