OpenAI wants its cleverest model to also be its quickest. The company has previewed Ultrafast, a new tier of its API that runs the flagship GPT-5. 6 Sol at up to 14 times the usual speed, reaching around 750 output tokens a second, on hardware built by the wafer-scale chipmaker Cerebras.
Source: [TNW](https://thenextweb.com/news/openais-new-ultrafast-mode-runs-gpt-5-6-sol-14-times-faster-on-cerebras-chips)