Each point below is something the Android app already does.
When you use AI, your message and the document you pick are sent to the configured provider (Google Gemini or OpenAI) to answer. Free accounts get 10 requests a day. This website does not run an image or video generator.
Free storage is 50 GB. Free upload is 1 GB a day and 15 GB across 30 days, after the short welcome period. Premium storage is 2 TB.