In July 2026, ChatGPT offers three key plans. The Free and Go plans both use...

https://smart-wiki.win/index.php/What_is_GPT-5.6_Sol_and_When_Did_It_Replace_GPT-5.5%3F

In July 2026, ChatGPT offers three key plans. The Free and Go plans both use GPT-5.6 Terra, with Go costing $8 per month for faster responses and more usage. Plus costs $20 monthly and switches to GPT-6 Sol for improved accuracy