As of July 2026, ChatGPT offers several clear tiers. The Free plan and Go plan...

https://rapid-wiki.win/index.php/Is_GPT-4.1_Nano_Really_50x_Cheaper_Than_GPT-5.6_Sol%3F

As of July 2026, ChatGPT offers several clear tiers. The Free plan and Go plan ($8/month) both use the GPT-5.6 Terra model, delivering solid, fast responses for everyday use