Gemini has a free tier for basics, but the $19.99 Advanced plan is built for...

https://www.romeo-bookmarks.win/gemini-offers-a-tiered-approach-to-fit-how-you-work-the-basic-version-is

Gemini has a free tier for basics, but the $19.99 Advanced plan is built for power users. It includes the 1.5 Pro model with a 1 million token context window, which is perfect for managing huge research projects or complex documents