Compare
platform vs sim
platform and sim share 6 technologies: MongoDB, Postgres, Redis, OpenAI, AWS S3, and Stripe. Both are written in TypeScript.
What they share and what sets them apart
hcengineering
platform
Huly — All-in-One Project Management Platform (alternative to Linear, Jira, Slack, Notion, Motion)
TypeScript28kRead on November 2, 2026, at commit 6eeec00What is platform built with?simstudioai
sim
Sim is the collaborative workspace to build, deploy, and monitor AI agents and workflows. Used by 100,000+ builders.
TypeScript30kRead on November 2, 2026, at commit df7709bWhat is sim built with?In common
Only in platform
Only in sim
Side by side
platformsim
SizeLines written by people and agents, without generated ones; code files, without tests.
platform813,859 lines written4,872 code files
sim4,073,540 lines written10,948 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.
platform0.5% of its commits signed by AIWith GitHub Copilot, Claude Code, and Devin
sim5.3% of its commits signed by AIWith Claude Code, Cursor, and Codex
ActivityFrom GitHub and its history, on the day SeeRepo read it.
platformLast push November 2, 20268,655 commits28,041 stars
simLast push November 2, 20268,178 commits29,966 stars
TestsThe files that test the code, and the share of code files a test imports.
platform685 test files9.4% of its code files have a test that imports them
sim3,682 test files38.4% of its code files have a test that imports them
Frequently asked questions
Which is bigger, platform or sim?
sim, with 4,073,540 lines written in 10,948 code files; platform has 813,859 in 4,872.
The proof: simstudioai/sim's code at commit df7709b
Which has more GitHub stars, platform or sim?
sim, with 29,966 stars; platform has 28,041.
The proof: simstudioai/sim on GitHub
Which has more tests, platform or sim?
sim, with 3,682 test files; platform has 685.
The proof: simstudioai/sim's code at commit df7709b
Which was updated more recently, platform or sim?
Both got their last push on November 2, 2026.
The proof: simstudioai/sim's commits on GitHub
Which has more commits signed by AI, platform or sim?
sim: an AI signed 5.3% of its commits, with Claude Code, Cursor, and Codex; in platform, 0.5%.
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