Gemini offers a free tier for casual users who need help with quick tasks or...

https://www.start-bookmarks.win/google-keeps-gemini-accessible-with-a-free-version-but-power-users-should

Gemini offers a free tier for casual users who need help with quick tasks or creative brainstorming. If you require more power, the Advanced plan costs $20 per month and includes a 1 million token context window