OpenAI Unveils Ultrafast Mode in GPT‑5.6 Sol That Works 14× Faster Than Standard Mode
Brief
OpenAI has introduced Ultrafast, a new service tier for GPT-5. 6 Sol that it says can run up to 14× faster than Standard processing. The feature launches first via the OpenAI API and is currently available in limited preview for select customers.
Powered by Cerebras infrastructure, Ultrafast can generate up to 750 output tokens per second. In simple terms, this means the model can produce long responses, analyze large inputs, and complete multi-step reasoning tasks with much lower waiting time.
OpenAI is positioning the service for products where response delays can affect business operations, customer experience, or security decisions. The launch is significant because high-speed AI services have often required users to select a smaller or less capable model.
OpenAI says Ultrafast is designed to bring the intelligence of GPT-5. 6 Sol to real-time workflows without that trade-off.