Skip to content

ResearchAssaf Elovic / Tavily

GPT Researcher

Autonomous AI agent that runs deep multi-source web research and writes cited reports.

Categories
ResearchAgentSearch
Pricing
BYO KEY
Source
Open source
Hosting
Self-host
Platforms
WebCLIAPI
Models
BYO key / model
Verified
Jun 6, 2026

An open-source autonomous research agent that plans a task, runs parallel multi-source web searches, validates sources, and synthesizes a cited report. It runs locally as a Python package, FastAPI server, or MCP server, and works with any LLM provider plus a search/retriever backend. Free and Apache-2.0 licensed — you only pay your own LLM and search-API costs.

Capabilities 5

What it actually does — grouped by capability family.

  • MCP server (secondary capability)
  • Multi-agent orchestration (secondary capability)
  • Cited answers (secondary capability)
  • Web research agent (primary capability)
  • Report generation (primary capability)

Pros & cons

  • Apache-2.0, free to self-host
  • Works with any LLM and search engine
  • Cited, long-form reports in minutes
  • Runs as library, API, or MCP server
  • Large active community
  • Setup complexity for beginners
  • You pay your own LLM + search costs
  • Needs prompt tuning for niche domains
  • Basic built-in analytics

Tags

Alternatives to GPT Researcher (4)

View all Research →
  • View Consensus details
    ResearchFREEMIUM

    Consensus

    Consensus

    AI search over peer-reviewed research papers, with inline citations.

    An academic search engine that runs natural-language questions against a corpus of more than 200 million peer-reviewed papers and synthesizes the findings with inline citations. Its Consensus Meter aggregates how much the studies agree or disagree, and a copilot helps draft literature reviews. Aimed at researchers, students, and clinicians.

    200M+ peer-reviewed corpus
    Best answers behind paid tier
    • research
    • academic-search
    • citations
    • literature-review
    Open
  • View Elicit details
    ResearchFREEMIUM

    Elicit

    Elicit (formerly Ought)

    AI research assistant for literature review and evidence synthesis.

    Searches, summarizes, and extracts structured data across 125M+ academic papers, with sentence-level citations. Goes beyond chat-over-papers with a guided systematic-review workflow covering search, screening, extraction, and report synthesis. A free Basic plan offers unlimited search and summaries; paid tiers add data-extraction volume and the review pipeline.

    Search, screen, extract, synthesize in one flow
    No PICO framework or Boolean operators
    • research
    • literature-review
    • systematic-review
    • citations
    Open
  • View Khoj details
    ResearchFREEMIUMOpen core

    Khoj

    Khoj AI

    AI second brain that chats with your docs and the web, local or hosted.

    An open-source "AI second brain" for chatting with local or online models, searching across your personal documents and the internet, building custom agents, and automating research. Self-host it on your own machine, or use plugins for Obsidian, Emacs, desktop, and mobile. Licensed AGPL-3.0; a paid managed cloud tier also exists, so it's freemium.

    AGPL-3.0 licensed, self-hostable
    Self-hosting takes setup effort
    • second-brain
    • rag
    • self-hosted
    • open-source
    • +1
    Open
  • View Perplexity details
    SearchFREEMIUM

    Perplexity

    Perplexity AI

    AI search engine that answers with inline citations.

    Hybrid search engine that returns synthesized answers with inline citations rather than a list of links. Ships a consumer product and the Sonar API for adding cited search to your own apps and agents.

    Inline citations on synthesized answers
    Citations can misattribute or be wrong
    • search
    • citations
    • consumer
    • api
    Open
Open GPT Researcher