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Best free Exa alternatives (open source, 2026)

Updated · 20 repos compared

Short answer

The best free Exa alternative for most people is searxng (39k GitHub stars, AGPL-3.0 license). All 20 options below are open source and run on your own computer or server, so there's no subscription.

Exa (search API for AI agents) is a paid, closed-source product. The open-source projects below do the same job and run on your own computer or server.

Top picks

  1. 1. Best for: Best overallsearxng39k stars · AGPL-3.0 · updated 3d ago
    Editor's pick

    SearXNG is a free internet metasearch engine which aggregates results from various search services and databases. Users are neither tracked nor profiled.

    Needs:
    Hardware needs not stated by the project
    Trade-off
    Better than Exa: very active development. Worse: AGPL: if you run it as a service, you must share your changes.
  2. 2. Best for: Also excellentVane38k stars · MIT · updated 1mo ago
    Editor's pick

    Vane is an AI-powered answering engine.

    Needs:
    Hardware needs not stated by the project
    Trade-off
    Better than Exa: a permissive MIT license. Worse: you install and run it yourself instead of Exa's hosted app.

Comparison

ToolStarsOpen licenseSelf-hostRuns on MacGPU memoryLast update
EExaPaid · cloud only–browsernone–
VaneEditor's pickVane is an AI-powered answering engine.38k?1mo ago
gpt-researcherEditor's pickAn autonomous agent that conducts deep research on any data using any LLM providers30k?12d ago
searxngEditor's pickSearXNG is a free internet metasearch engine which aggregates results from various search services and databases. Users are neither tracked nor profiled.39k?3d ago
stormEditor's pickAn LLM-powered knowledge curation system that researches a topic and generates a full-length report with citations.32k?1y ago
meilisearchA lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.60k?today
ragflowRAGFlow is a leading open-source Retrieval-Augmented Generation (RAG) engine that fuses cutting-edge RAG with Agent capabilities to create a superior context layer for LLMs93k?today
ai-job-searchThe job search that runs on your machine. AI job application framework built on Claude Code: evaluate postings, tailor CVs, write cover letters, prep interviews. Fork it and own it.64k?2d ago
Agent-ReachGive your AI agent eyes to see the entire internet. Read & search Twitter, Reddit, YouTube, GitHub, Bilibili, XiaoHongShu — one CLI, zero API fees.101k?2d ago
paperclipThe open-source app everyone uses to manage agents at work106k?today
ai-job-search#68 TRENDINGThe job search that runs on your machine. AI job application framework built on Claude Code: evaluate postings, tailor CVs, write cover letters, prep interviews. Fork it and own it.64k?2d ago
crawl4aiOpen-source web crawler and scraper for LLMs and AI agents: any website into clean, LLM-ready Markdown. Run it yourself, or use Crawl4AI Cloud with one key. Join our Discord https://discord.gg/VuxzM8m86k?today
AutoGPTAutoGPT is the vision of accessible AI for everyone, to use and to build on. Our mission is to provide the tools, so that you can focus on what matters.188k?today
hermes-agentThe agent that grows with you256k?today
activepiecesAI Agents & MCPs & AI Workflow Automation • (~400 MCP servers for AI agents) • AI Automation / AI Agent with MCPs • AI Workflows & AI Agents • MCPs for AI Agents25k?today
gemini-cliAn open-source AI agent that brings the power of Gemini directly into your terminal.108k?today
deer-flowAn open-source long-horizon SuperAgent harness that researches, codes, and creates. With the help of sandboxes, memories, tools, skill, subagents and message gateway, it handles different levels of ta84k?today
ai-website-cloner-templateClone any website with one command using AI coding agents37k?3d ago
haystackOpen-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agent workflows with explicit control over retrieval, routing, m27k?today
Douyin_TikTok_Download_API🚀 自托管的抖音、TikTok 数据采集与无水印视频下载 API，支持 AI agent 通过 MCP 调用与离线语音转文字，Docker 一键部署。| Self-hosted TikTok & Douyin scraper and no-watermark video downloader — async REST API, MCP server for AI agents, CLI and 21k?1d ago
private-gptComplete API layer for private AI applications on local models: RAG, skills, tools, MCP, text-to-sql, and more. Works with any OpenAI-compatible inference server.58k?2d ago

✓ yes · ✗ no · – not stated by the project. Hardware details may be incomplete.

Exa vs open source: what you give up

  • Setup. Exa is ready as soon as you sign up. These projects need installing, usually with Python, Node or Docker.
  • Hardware. Most of these don't state hardware needs; heavier models run much faster with a GPU. 2 mention Mac support.
  • Polish and support. Paid products usually have a smoother interface, managed updates and customer support. Open source gives you privacy, no usage limits and no monthly bill.
  • Maintenance. 18 of 20 were updated in the last 30 days.
  • License. 17 of 20 use a standard open-source license (MIT, Apache, GPL and similar). Check the license before commercial use.

FAQ

Is there a free alternative to Exa?

Yes. We list 20 free, open-source GitHub projects that do the same job as Exa. The most popular are hermes-agent, AutoGPT and gemini-cli.

What is the best open-source Exa alternative?

It depends on your setup. Best overall: searxng. Also excellent: Vane. Compare GitHub stars, license and hardware needs in the table on this page.

Can I run an Exa alternative on a Mac?

Yes. According to the projects, gemini-cli and private-gpt run on macOS.

Do I need a GPU to replace Exa?

Most of these don't state hardware needs. Expect heavier models to run much faster with a GPU.

Are these Exa alternatives really free?

Yes. All 20 are open source on GitHub, and projects that need a paid API key are left out. 17 use a standard open-source license such as MIT, Apache or GPL; check the license before commercial use.

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