Google Gemini is Google’s multimodal AI assistant, powered by the Gemini 4 Argon and Gemini 3.1 Pro models. It is deeply woven into Google products: AI Mode in Search, Gmail and Docs assistance, NotebookLM, the Flow creative studio and Android Studio all draw on Gemini models.
Pricing starts with a capable free tier; Google AI Plus at $4.99/month is the cheapest paid tier among major assistants, AI Pro at $19.99/month adds 5 TB storage and developer benefits, and AI Ultra (from $99.99/month) offers up to 20x usage with Project Genie access.