Best Open Source Alternatives to Perplexity AI

Compare the best free and open-source alternatives to Perplexity AI — self-hosted and desktop replacements you fully control, ranked by GitHub stars, license and platform support.

Curated by open-source.store · Updated August 2026 · 3 alternatives

Perplexity AI

Proprietary SaaS

PricingFreemium

Platformsweb, mobile

WebsiteVisit site

Perplexity AI alternatives compared

Open-source alternatives to Perplexity AI, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
Open WebUI	147,557	MIT	LinuxDocker	Yes	Aug 2026	Visit
Text Generation WebUI	47,512	AGPL-3.0	LinuxmacOSWindows	Yes	Jun 2026	Visit
LibreChat	41,528	MIT	LinuxDockerWeb	Yes	Aug 2026	Visit