As of July 2026, ChatGPT offers a Go plan at $8 a month and a Plus plan for $20...

https://wiki-nest.win/index.php/What_is_the_Context_Window_for_GPT-5.5_on_the_API%3F

As of July 2026, ChatGPT offers a Go plan at $8 a month and a Plus plan for $20 monthly. The Go plan includes ads if you're in the US, which can be a bit distracting