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OpenAI launches Ultrafast tier and Pro 500, drops the 5-hour limit

Source
OpenAI
Date
OpenAI@OpenAI
Thread · 3 parts

This is Ultrafast. Our premium speed tier, Ultrafast offers up to 8x faster token generation (300 tokens per second) in Codex and up to 6x in the API.

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Ultrafast is available today for GPT-6 Astra in Codex, ChatGPT Work, and the API, with GPT-6.1 Sol coming soon. To access it in Codex and ChatGPT Work, we’re introducing Pro 500—a new plan with our highest usage limits (25x Plus) and access to Ultrafast. https://t.co/AjmAVwyUQI

We’re also reopening Pro 200 subscriptions, with continued access to frontier models like Astra, including our new GPT-6.1 Sol model which brings near-Astra capabilities to a model you can use every day. Our commitment is that your subscription will continue to help you get more work done with an increasing level of quality. We are also committing to not reintroducing the 5hr limit so that you can fully use your weekly usage when you want.

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Terms in this piece · Glossary
  • token — The chunk of text a model reads and writes in — roughly three-quarters of a word — and the unit AI usage is billed in.
  • AI agent — An AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.
Why it matters

Up to 300 per second for GPT-6 Astra shortens loops. The new plan tiers and the dropped 5-hour limit change what usage you can rely on in Codex.

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