Chatbots and answer engines built for everyday questions — from multi-model subscriptions to research assistants grounded in your own documents. Compare free tiers and paid plans before you commit to one.
Search-first AI. Every answer comes with citations to actual sources.
Microsoft's AI woven into Windows, Edge, and Office. Office is the killer feature.
One subscription, 100+ AI models — a model marketplace instead of a single assistant.
The original AI companion platform — chat with millions of user-made characters, not a single assistant.
Upload your own sources and get a research assistant that only answers from them — renamed Gemini Notebook in July 2026.
Mistral's flagship AI assistant — chat, web search, image generation, and agentic coding from Europe's leading frontier-model lab (rebranded from Le Chat).