OPENAI PREVIEWS ULTRAFAST API TIER FOR GPT-5.6 SOL

Summary from the TLDR newsletter

OpenAI's UltraOpenAI's Ultrafast API service tier can run GPT-5.6 Sol at 750 output tokens per second, 14 times the speed of Standard. The service is designed for products and workflows in which delays can determine whether an answer remains useful. Access is initially restricted to a select group of customers. Powered by Cerebras, a wider rollout is planned as capacity grows.