In July 2026, ChatGPT offers four options. The Free and Go plans both use the...

https://atomic-wiki.win/index.php/How_Do_I_Budget_OpenAI_API_Costs_Per_Million_Tokens%3F

In July 2026, ChatGPT offers four options. The Free and Go plans both use the GPT-5.6 Terra model, with Go costing $8 per month for faster access and priority access during busy times. Plus is $20 monthly, running on the more powerful GPT-6 Sol model