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cal.diy vs new-api
cal.diy and new-api share 3 technologies: Postgres, Redis, and Stripe. cal.diy is written in TypeScript and new-api in Go.
What they share and what sets them apart
calcom
cal.diy
Scheduling infrastructure for absolutely everyone.
TypeScript49.5kRead on October 28, 2026, at commit 56da01bWhat is cal.diy built with?QuantumNous
new-api
Open-source AI gateway. Self-hosted LLM gateway with OpenAI-, Claude- and Gemini-compatible APIs, model routing, access control, usage tracking and cost accounting.
Go50.9kRead on October 28, 2026, at commit e449cc7What is new-api built with?In common
Only in cal.diy
Only in new-api
- Gin
Side by side
cal.diynew-api
SizeLines written by people and agents, without generated ones; code files, without tests.
cal.diy554,251 lines written4,310 code files
new-api564,057 lines written1,971 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.
cal.diy6.3% of its commits signed by AIWith Devin, Claude Code, CodeRabbit, Cursor, and GitHub Copilot
new-api0.7% of its commits signed by AIWith Claude Code, CodeRabbit, Codex, Jules, and Cursor
ActivityFrom GitHub and its history, on the day SeeRepo read it.
cal.diyLast push October 27, 202616,059 commits49,471 stars
new-apiLast push October 28, 20265,382 commits50,869 stars
TestsThe files that test the code, and the share of code files a test imports.
cal.diy641 test files14.7% of its code files have a test that imports them
new-api505 test files39.2% of its code files have a test that imports them
Frequently asked questions
- Which is bigger, cal.diy or new-api?
- new-api, with 564,057 lines written in 1,971 code files; cal.diy has 554,251 in 4,310.
- The proof: QuantumNous/new-api's code at commit e449cc7
- Which has more GitHub stars, cal.diy or new-api?
- new-api, with 50,869 stars; cal.diy has 49,471.
- The proof: QuantumNous/new-api on GitHub
- Which has more tests, cal.diy or new-api?
- cal.diy, with 641 test files; new-api has 505.
- The proof: calcom/cal.diy's code at commit 56da01b
- Which was updated more recently, cal.diy or new-api?
- new-api: its last push was on October 28, 2026, and cal.diy's on October 27, 2026.
- The proof: QuantumNous/new-api's commits on GitHub
- Which has more commits signed by AI, cal.diy or new-api?
- cal.diy: an AI signed 6.3% of its commits, with Devin, Claude Code, CodeRabbit, Cursor, and GitHub Copilot; in new-api, 0.7%.
- The proof: the commits each tool signed in calcom/cal.diy
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