OpenAI quietly adds 'ultrafast' service tier to agent API docs
imjustnewatai · x · 2026-09-26
A bot-committed change in OpenAI's openai-openapi repository adds a new "ultrafast" service tier option, joining default, flex, priority, and fast. The commit describes it as improving request speed with more granular control over model request performance and agent service policies. No official announcement or pricing details yet — the feature surfaced only via API docs.
Related event: OpenAI Set to Expand Ultrafast API Ahead of DevDay(3 posts)→
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