OpenAI introduces ‘Ultrafast,’ a new mode that makes GPT 5.6 Sol work at 14x the speed
SMRTR summary
OpenAI launched a new mode called Ultrafast for its GPT-5.6 Sol model, processing text at 14 times normal speed and generating up to 750 tokens per second. Powered by chipmaker Cerebras, Ultrafast targets corporate uses like customer service and financial analysis. Currently in limited preview, OpenAI plans to expand access as capacity grows, pushing AI speed beyond what competitors like Anthropic currently offer.
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