Technologies

What is jan built with?

jan is a Rust repo built with React and Vite. It uses AI through OpenAI and measures its use with PostHog. It has 857 files and 423,916 written lines, with 460 test files.

Read on October 31, 2026, at commit b8071a1. Read it as markdown

Other repos with a similar stack

Ordered by how much of its stack they share with jan, then by stars.

Frequently asked questions

What language is jan written in?
jan is written in Rust: 857 files and 423,916 written lines.
What framework does jan use?
jan is built with React and Vite.

The proof: in package.json

Does jan use AI?
Yes. jan uses AI through OpenAI.

The proof: web-app/src/lib/model-factory.ts, line 49

What services does jan use?
jan measures its use with PostHog.

The proof: web-app/src/containers/analytics/AnalyticConsent.tsx, line 3

Does jan have tests?
Yes. jan has 460 test files.
Which repos have a stack like jan's?
The ones that share most of its stack:supabase/supabasedebpalash/VoiceStudiocline/cline

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