Ultrafast mode for GPT-5.6 Sol
Preview API service tier, powered by Cerebras, runs GPT-5.6 Sol up to 14x faster.
Preview Ultrafast, a new OpenAI API service tier that runs GPT-5.6 Sol up to 14× faster. Powered by Cerebras, it delivers up to 750 output tokens per second.
Official source
Previewing Ultrafast mode: GPT-5.6 Sol at up to 14X the speedopenai.com · published