API pricing vs subscription: what my month of Codex would cost on the API
AI-generated summary Flaviocopes.com reports that a heavy user of Codex paid $100 a month for ChatGPT Pro, while calculating that the same token usage would cost $745.16 at public API rates or $8,234.34 without prompt caching. The source notes that European prices for ChatGPT include VAT, showing €23 for Plus and €103 for Pro.