Gemini offers a free version for casual users who need help with everyday tasks...

https://oscar-wiki.win/index.php/Gemini_Plan_Limits:_What_Does_%22Cap%22_Actually_Mean%3F

Gemini offers a free version for casual users who need help with everyday tasks or simple brainstorming. If you require more advanced capabilities, the Google One AI Premium plan is $19.99 per month