OpenAI rumored to launch $500 ChatGPT Pro Max plan, Kalshi opens a market on it

Kalshi · x · 2026-09-25

Prediction market platform Kalshi reports that OpenAI is set to launch a $500 "ChatGPT Pro Max" subscription tier and has opened a market on the outcome. The claim is unconfirmed by OpenAI, but if true it would more than double the current $200 Pro price, fueling speculation about what extra reasoning quota or capabilities the top tier would bundle.

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