OpenAI to Expand Ultrafast API Tier With Speeds Up to 750 Tokens Per Second

OpenAI is preparing to expand its Ultrafast API service tier around DevDay on September 29, with speeds up to 750 tokens per second, availability across subscription tiers, and new Playground features including real-time computer control.

2026-09-26 ~ 2026-09-26 · 4 related posts

• OpenAI quietly adds 'ultrafast' service tier to agent API docs — imjustnewatai · 2026-09-26
• OpenAI prepares broader rollout of Ultrafast API offering up to 750 tokens/sec — testingcatalog · 2026-09-26
• OpenAI set to open Ultrafast API to more users, real-time computer use in sight — Angaisb_ · 2026-09-26
• OpenAI reportedly wiring "Ultrafast" service tier into everything ahead of DevDay — VraserX · 2026-09-26