Perplexity
AI search that answers from the web, priced by subscription for the full models.
4 self-hosted replacements in this index, ranked by GitHub stars in the dataset.
Replacements
SearXNG
Internet metasearch engine which aggregates results from various search services and databases (fork of Searx).
39,098 stars Active
1 Nov 2026
Vane
AI-powered search engine.
37,954 stars Active
1 Sep 2026 v1.12.2
Khoj
Your AI second brain. Get answers from the web or your docs. Build custom agents, schedule automations, do deep research. Turn any online or local LLM into your personal, autonomous AI.
37,933 stars Active
2 Aug 2026 2.0.0-beta.28
Local Deep Research
AI-powered deep research tool with multi-source search (arXiv, PubMed, web), PDF text extraction, and encrypted local storage.
9,476 stars Active
1 Nov 2026 v1.10.7
Popular comparisons
The most-starred pairings among these replacements, ranked by combined GitHub stars in the dataset.