An open-source autonomous agent that runs deep research on web and local documents using any LLM provider, producing cited reports.
4 alternatives
Best open-source alternatives to Perplexity (2026)
Looking for a free, open-source alternative to Perplexity? These 4 projects can replace it. Each one passed our quality screening and is explained in plain words, so you can compare stars, license and maintenance at a glance.
Quick comparison
| Project | Stars | License | Last commit |
|---|---|---|---|
| assafelovic/gpt-researcher | ★ 30.2K | Apache-2.0 | 8 days ago |
| LearningCircuit/local-deep-research | ★ 9.3K | MIT | 12 hours ago |
| jordan-gibbs/hyperresearch | ★ 3.9K | MIT | 8 days ago |
| CopilotKit/OpenIntelligentUI | ★ 3.4K | MIT | 5 days ago |
30.2K4.3KPythonApache-2.0Updated 8 days ago
Self-hosted AI research assistant that runs deep, multi-step research with local or cloud LLMs and searches the web, academic databases and your own documents.
9.3K864PythonMITUpdated 12 hours ago
A deep research skill and pipeline for Claude Code and OpenAI Codex that gathers web and scholarly sources into a persistent, searchable markdown vault.
3.9K404PythonMITUpdated 8 days ago
Open-source chat interface where an AI agent answers questions with text, native components, or custom interactive UI such as charts, calculators and maps.
3.4K381TypeScriptMITUpdated 5 days ago
FAQ
- Is there a free, open-source alternative to Perplexity?
- Yes. The most popular open-source alternatives to Perplexity on Repolode are gpt-researcher, local-deep-research, hyperresearch.
- Which Perplexity alternative should I choose?
- gpt-researcher has the most GitHub stars and is released under Apache-2.0. Compare the license and last commit of each option in the table above before choosing.