OpenAI’s GPT-5.6 Sol introduces lightning-fast Ultrafast mode

OpenAI’s GPT-5.6 Sol features a new Ultrafast mode, significantly increasing processing speed for select customers.

GPT-5.6 Sol’s Ultrafast mode can process data up to 14 times faster than the standard version.
The new mode generates up to 750 output tokens per second, enhancing productivity for developers.
OpenAI is testing Ultrafast across various applications, including coding and financial research, to maximize speed benefits.