Ultrafast is rolling out today for GPT-6.1 Sol in the API, Codex, and ChatGPT Work.
Near-Astra intelligence at up to 8x faster speeds than Sol Standard, so you can build as fast as the ideas come.
Ultrafast runs GPT-6.1 Sol up to 8x faster at $12 input and $60 output per million tokenThe chunk of text a model reads and writes in — roughly three-quarters of a word — and the unit AI usage is billed in.Full definition →. In Codex and ChatGPT Work it requires Pro 500 or eligible Enterprise and Edu plans.
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.