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pi vs paperclip

pi and paperclip share 4 technologies: React, OpenAI, Anthropic, and yaml. Both are written in TypeScript.

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What they share and what sets them apart

earendil-works

pi

AI agent toolkit: unified LLM API, agent loop, TUI, coding agent CLI

TypeScript120kRead on November 4, 2026, at commit e885255What is pi built with?
paperclipai

paperclip

The open-source app everyone uses to manage agents at work

TypeScript111kRead on November 4, 2026, at commit 0eaabe5What is paperclip built with?

In common

Only in pi

  • lowlight
  • marked
  • @aws-sdk/client-bedrock-runtime
  • @silvia-odwyer/photon-node
  • highlight.js
  • typebox
  • @xterm/headless

Only in paperclip

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
pi677,258 lines written1,543 code files
paperclip3,133,031 lines written5,090 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.
pi0.3% of its commits signed by AIWith Claude Code, Gemini CLI, Cursor, and Amp
paperclip17% of its commits signed by AIWith Claude Code, Codex, Cursor, and GitHub Copilot
ActivityFrom GitHub and its history, on the day SeeRepo read it.
piLast push November 4, 20267,130 commits119,972 stars
paperclipLast push November 4, 20265,942 commits111,002 stars
TestsThe files that test the code, and the share of code files a test imports.
pi1,475 test files46.8% of its code files have a test that imports them
paperclip4,571 test files60.3% of its code files have a test that imports them

Frequently asked questions

Which is bigger, pi or paperclip?
paperclip, with 3,133,031 lines written; pi has 677,258.

The proof: paperclipai/paperclip's code at commit 0eaabe5

Which has more GitHub stars, pi or paperclip?
pi, with 119,972 stars; paperclip has 111,002.

The proof: earendil-works/pi on GitHub

Which has more tests, pi or paperclip?
paperclip, with 4,571 test files; pi has 1,475.

The proof: paperclipai/paperclip's code at commit 0eaabe5

Which was updated more recently, pi or paperclip?
Both got their last push on November 4, 2026.

The proof: paperclipai/paperclip's commits on GitHub

Which has more commits signed by AI, pi or paperclip?
paperclip: an AI signed 17% of its commits, with Claude Code, Codex, Cursor, and GitHub Copilot; in pi, 0.3%.

The proof: the commits each tool signed in paperclipai/paperclip

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