Free Search Engine AI Tools

Free and freemium Search Engine AI tools — no credit card needed.

Trieve (Freemium)
You.com Research (Freemium) — AI search engine with deep research mode and academic citations.
Haystack AI (Freemium) — Open-source NLP framework for building RAG and search pipelines.
Semantic Scholar (Free) — Free AI-powered research discovery platform
Perplexity AI (Freemium) — AI-powered search engine with cited answers
Brave Leo (Freemium) — Private AI assistant built into Brave browser
Exa (Freemium) — Neural search API for AI applications and RAG
Genspark (Freemium)
Marqo (Freemium)
Tavily Search API (Freemium)
Jina AI (Freemium)
Elser.ai (Freemium) — AI-powered semantic search and knowledge retrieval for enterprises
ChatGPT for Search Engines (Free) — Browser extension that shows ChatGPT answers alongside search results.
Webpilot AI (Free) — AI web browsing assistant that reads, summarizes, and interacts with web pages.
Consensus (Freemium) — Consensus is an AI-powered academic search engine that finds evidence from peer-reviewed research papers and synthesizes findings into direct answers — so you can make evidence-based decisions faster.
Felo (Freemium) — Felo is an AI search and research tool that searches the web in real time, synthesizes answers with cited sources, and supports deep research workflows — with native multilingual support across 10+ languages.
Cohere (Freemium) — Enterprise NLP platform with powerful language models
Phind Pro (Freemium) — AI search engine specifically built for software developers.

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