As of July 2026, ChatGPT pricing includes a Free tier and a Go plan at $8 per...

https://bizzmarkblog.com/does-chatgpt-go-get-gpt-5-6-sol-or-only-terra/

As of July 2026, ChatGPT pricing includes a Free tier and a Go plan at $8 per month, both using the GPT-5.6 Terra model. The Plus plan costs $20 monthly and switches to the GPT-5.6 Sol model, offering faster responses