amphtml vs nx

amphtml and nx share 5 technologies: Preact, PostCSS, Autoprefixer, postcss-import, and Ajv. amphtml is written in JavaScript and nx in TypeScript.

Read it as markdown

What they share and what sets them apart

Only in amphtml

In common

nrwl

nx

The Monorepo Platform that amplifies both developers and AI agents. Nx optimizes your builds, scales your CI, and fixes failed PRs automatically. Ship in half the time.

TypeScript29.5kRead on November 8, 2026, at commit b68115cWhat is nx built with?

Only in nx

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
amphtml703,086 lines written1,692 code files
nx1,290,865 lines written3,323 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.
amphtml0% of its commits signed by AIWith Claude Code and GitHub Copilot
nx1.5% of its commits signed by AIWith Claude Code, GitHub Copilot, Amp, and Cursor
ActivityFrom GitHub and its history, on the day SeeRepo read it.
amphtmlLast push October 20, 202621,366 commits14,905 stars
nxLast push November 7, 202618,849 commits29,453 stars
TestsThe files that test the code, and the share of code files a test imports.
amphtml2,103 test files47.1% of its code files have a test that imports them
nx1,691 test files39.1% of its code files have a test that imports them

Frequently asked questions

Which is bigger, amphtml or nx?
nx, with 1,290,865 lines written; amphtml has 703,086.

The proof: nrwl/nx's code at commit b68115c

Which has more GitHub stars, amphtml or nx?
nx, with 29,453 stars; amphtml has 14,905.

The proof: nrwl/nx on GitHub

Which has more tests, amphtml or nx?
amphtml, with 2,103 test files; nx has 1,691.

The proof: ampproject/amphtml's code at commit 3961d2e

Which was updated more recently, amphtml or nx?
nx: its last push was on November 7, 2026, and amphtml's on October 20, 2026.

The proof: nrwl/nx's commits on GitHub

Which has more commits signed by AI, amphtml or nx?
nx: an AI signed 1.5% of its commits, with Claude Code, GitHub Copilot, Amp, and Cursor.

The proof: the commits each tool signed in nrwl/nx

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