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

OpenAI has 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, according to TechCrunch. The mode, powered by a partnership with chipmaker Cerebras, targets enterprise workflows such as incident response, customer service, and financial market analysis.

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. Topics Sources - Press Read article https://techcrunch.com/2026/08/13/openai-introduces-ultrafast-a-new-mode-that-makes-gpt-5-6-sol-work-at-14x-the-speed/ Go deeper This intelligence is sourced automatically from public sources across the web and synthesised by the Prefactor AI pipeline. Stories are reviewed before publication.