20 Perplexity alternatives
Perplexity: A web search engine that uses a large language model to process queries and synthesize responses based on web search results. 20 apps do similar work, most sharing Chatbot, Web Search and Mobile, ranked by how much they have in common with Perplexity.
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Deep-research AI agent that builds cited reports or structured datasets, scaling depth to your budget.
Also: Citations, Deep Research, Web Search
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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, Web Search
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OpenAI
ChatGPT is a generative artificial intelligence chatbot developed by OpenAI and launched in 2022.
Also: Chatbot, Mobile, Web Search
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A deep-search research assistant that reads full papers, not abstracts, to find work others miss.
Also: Citations, Deep Research
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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: Deep Research, Web Search
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A search API purpose-built for RAG and agents — returns synthesised, cited content instead of a list of links.
Also: Citations, Web Search
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An AI research assistant over 280 million papers — chat with PDFs, run literature reviews, and decode dense text.
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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, Web Search
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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, Web Search
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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, Web Search
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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.
Also: Chatbot, Web Search
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Inflection AI
Inflection AI's free conversational companion for talking things through, learning and reminders, by text or voice.
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Quora
Quora's chat app for using many AI models in one place, from GPT and Claude to image, video and voice models, plus custom bots.
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Google
Gemini, formerly known as Bard, is a generative artificial intelligence chatbot developed by Google.
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Anthropic
Claude is a family of large language models developed by Anthropic.
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Experience seamless interaction with DeepSeek's official AI assistant for free!
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All-in-one AI assistant. Personalized, fast and free.
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Advait Paliwal
Open-source AI research agent with a CLI and a local science workbench for deep literature review, paper retrieval and replication planning.
Also: Deep Research
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Manus AI
A general autonomous AI agent that executes multi-step tasks end to end in its own cloud environment.
Also: Deep Research
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AI for systematic literature review — search 125 million papers, extract data into tables, and screen at scale.
Also: Citations