jan vs psst

jan and psst share 5 technologies: hmac, oauth2, log, env_logger, and infer. Both are written in Rust.

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What they share and what sets them apart

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
jan515,841 lines written992 code files
psst22,344 lines written113 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
jan0.5% of its commits signed by AIWith GitHub Copilot, Claude Code, Cursor, Factory, Jules, and Aider
psst0.2% of its commits signed by AIWith Claude Code
ActivityFrom GitHub and its history, on the day SeeRepo read it.
janLast push November 13, 20267,582 commits45,706 stars
psstLast push August 18, 2026637 commits9,516 stars
TestsThe files that test the code, and the share of code files a test imports.
jan583 test files51.4% of its code files have a test that imports them
psst0 test files

Frequently asked questions

Which is bigger, jan or psst?
jan, with 515,841 lines written; psst has 22,344.

The proof: janhq/jan's code at commit ea98bd3

Which has more GitHub stars, jan or psst?
jan, with 45,706 stars; psst has 9,516.

The proof: janhq/jan on GitHub

Which has more tests, jan or psst?
jan, with 583 test files.

The proof: janhq/jan's code at commit ea98bd3

Which was updated more recently, jan or psst?
jan: its last push was on November 13, 2026, and psst's on August 18, 2026.

The proof: janhq/jan's commits on GitHub

Which has more commits signed by AI, jan or psst?
jan: an AI signed 0.5% of its commits, with GitHub Copilot, Claude Code, Cursor, Factory, Jules, and Aider; in psst, 0.2%.

The proof: the commits each tool signed in janhq/jan

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