In July 2026, ChatGPT offers a clear pricing setup. The Free and Go plans run...

https://tango-wiki.win/index.php/How_Much_Does_GPT-5.6_Luna_Cost_on_the_API%3F_A_Deep_Dive_into_July_2026_Pricing

In July 2026, ChatGPT offers a clear pricing setup. The Free and Go plans run on the GPT-5.6 Terra model, with Go costing $8 per month. The Plus plan, priced at $20 monthly, uses the faster GPT-6 Sol model