I’ve been tracking ChatGPT pricing for three years, and the last 90 days have rewritten the chart. GPT-5.5 launched on April 23, 2026 and is now the top model on Plus, Pro, Business, and Enterprise. ChatGPT Images 2.0 (model ID gpt-image-2) shipped on April 21, replacing GPT Image 1.5 as the default image model. A brand-new $100 Pro tier landed on April 9. Business dropped from $25 to $20 per seat on April 2. And US Free and Go users have been seeing ads below their responses since February 9.
If you read a pricing guide from late 2025, it’s already wrong. There are now seven tiers plus a pay-per-token API, and the gap between them matters more than ever.
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