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1. Perplexity
An AI answer engine that gives sourced answers with a citation on every claim.
- Free plan
- From $17/mo
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2. ChatGPT
An AI assistant that can search the web and answer questions in chat
- Free plan
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3. Google Gemini
An AI assistant from Google for chat, image creation, research and Google app help
- Free plan
- From $19.99/mo
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4. Microsoft Copilot
An AI assistant that helps you find answers, create content and complete tasks.
- Free plan
- From $19.99/mo
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5. You.com
Offers web search and research APIs that give AI apps live, cited web results.
- Free plan
- From $5 per 1K chars
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6. Kagi
A paid, ad-free search engine with an AI assistant and no trackers.
- Free trial
- From $5/mo
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7. Brave Leo
An AI assistant built into the Brave browser to summarize pages and answer questions.
- Free plan
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8. Felo
A multilingual AI search tool that also creates slides, mind maps and docs.
- Free plan
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9. Liner
Searches the web and gives cited answers, with agents for research and writing
- Free plan
- From $14.99/mo
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10. Exa
An AI search engine and API that finds web pages, people and companies for your agents.
- Free plan
- From $4 per 1K chars
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11. Tavily
Gives AI agents real-time web search, extraction and research through one API
- Free plan
- From $0.008 per use
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12. iAsk
Answers questions with cited sources and summarizes links and files for students
- Free plan
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13. Duck.ai
Lets you chat with several AI models privately, without chats used for AI training
- Free plan
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14. Opera AI (Aria)
A free AI assistant built into the Opera browser that answers using your open pages
- Free plan
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15. Proton Lumo
A private AI chat assistant that keeps your chats encrypted so Proton cannot read them.
- Free plan
- From $9.99/mo
Prices can change. Check each tool's website for the latest pricing.