OpenAI's New Ultrafast Tier: Up to 8x Faster Codex at 300 Tokens/sec for Pro 500 Plans

testingcatalog · x · 2026-09-30

OpenAI introduced Ultrafast, a new premium speed tier offering up to 8x faster token generation (300 tokens/sec) in Codex and up to 6x in the API. GPT-6 Astra Ultrafast is available today in the API, ChatGPT Work, and Codex on Pro 500 and Enterprise plans, with GPT-6.1 Sol Ultrafast coming soon. The post also surfaces a previously little-known "Pro 500" tier.

Related event: OpenAI Launches Ultrafast Tier: 8x Speed at 6x Price Draws Backlash(17 posts)→

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