Best Web Search AI tools
Querying the live web programmatically and feeding the results back to agents. The 15 highest-ranked of the 15 apps tagged Web Search in the Onei AI catalogue.
Everything tagged Web Search: apps, skills and MCP servers
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Deep-research AI agent that builds cited reports or structured datasets, scaling depth to your budget.
Also: Citations, Deep Research · Editor's pick
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Microsoft
Microsoft's AI assistant for chat, images, voice and files, now one app for personal and work accounts on web, desktop and mobile.
Also: Chatbot · 1 bookmark
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You.com sells web search, content extraction, answer and research APIs for AI agents; its consumer chat closed to new users in 2026.
Also: API, Deep Research, Developers
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Subscription search engine with no ads or tracking, per-site ranking controls, Lenses, Quick Answer and a multi-model AI assistant.
Also: Chatbot
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Mistral AI
Mistral's unified AI agent — Work mode for long-horizon research, analysis and drafting, Code mode for sandboxed coding with GitHub pull requests.
Also: Chatbot, Multimodal
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Perplexity AI
A web search engine that uses a large language model to process queries and synthesize responses based on web search results.
Also: Chatbot, Citations, Deep Research
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Perplexity
Perplexity's agentic browser, where an assistant sits beside every tab and can act on the pages you are looking at.
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Olostep Technologies, Inc.
One API to search, scrape, crawl, map and monitor the web, returning clean structured text that AI agents and RAG pipelines can use directly.
Also: API, Developers, RAG
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Privacy-first search infrastructure for AI agents, with smart routing, structured results, and native API, MCP, and Skill access.
Also: API, Developers, MCP
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A search API purpose-built for RAG and agents — returns synthesised, cited content instead of a list of links.
Also: API, Citations, Developers
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A search engine built for AI — embeddings-based retrieval that finds pages by meaning, not keyword overlap.
Also: API, Developers
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EGOIST
A fast, local-first desktop AI chat client that works with GPT, Claude, Gemini, and local models, with markdown and LaTeX rendering, web search, image generation, and MCP tool support.
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An AI-powered search engine and assistant specifically designed for developers and technical users.
Also: Developers
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xAI
Grok is a free AI assistant designed by xAI to maximize truth and objectivity. Grok offers real-time search, image generation, trend analysis, and more.
Also: Chatbot, Deep Research, Multimodal
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OpenAI
ChatGPT is a generative artificial intelligence chatbot developed by OpenAI and launched in 2022.
Also: Chatbot, Multimodal
How this list is ranked
Ranked by editorial weight (0–100), plus 5 points per bookmark up to 10, plus or minus up to 20 for the average review rating; ties go to featured apps, then the most recently updated. Discontinued apps are never ranked.