Nx vs Buck2

Nx9.1Visit Buck28.8Visit

Higher score Nx #3 in Build Automation Software 9.1/10 Free plan Free plan✓ 4 of 5 features Visit Nx

vs

Buck2 #5 in Build Automation Software 8.8/10 Free plan Free plan✓ 4 of 5 features Visit Buck2

• Nx fits best

  JavaScript monorepos with managed CI scaling

• Buck2 fits best

  Teams wanting Bazel-style distributed builds

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Side by side

Feature	Nx 9.1/10 Visit ↗	Buck2 8.8/10 Visit ↗
At a glance
Editor score	9.1	8.8
Ranking	#3 in Build Automation Software	#5 in Build Automation Software
Best for	JavaScript monorepos with managed CI scaling	Teams wanting Bazel-style distributed builds
Pricing model	Free plan + paid	Free
Starting price	$29/mo	Free plan
Free plan	✓	✓
Free trial	—	—
Deployment	Cloud, Self-hosted	Self-hosted
Platforms	Windows, macOS, Linux	Linux, macOS, Windows
Support	Email, Community, Docs	Community, Docs
Integrations	12 integrations	4 integrations
Built for	Solo, Small business, Mid-market, Enterprise	Mid-market, Enterprise
Features Nx 4/5 · Buck2 4/5
Build as code	✓	✓
Dependency locking	—	Not checked yet
Build caching	✓	✓
Remote execution	✓	✓
Artifact packaging	✓	✓
Specs
Supported operating systems	Multi-platform	Multi-platform
Our review
Pros	Runs only projects affected by a change Combines local and remote caching with distributed CI Supports npm, pnpm, Yarn, Bun, and major build tools	Supports local, remote, and hybrid build execution Starlark enables custom rules and multi-language builds Incremental graphs and action caching reduce repeated work
Cons	Nx Cloud paid tiers add ongoing monthly costs Enterprise pricing is custom Dependency locking is not included	No stable release tag was available at the time of research Distributed execution may require compatible remote infrastructure Its breadth may exceed the needs of smaller repositories
Our verdict	Nx is an open-source build system for JavaScript and TypeScript monorepos, with plugins that extend support to additional technologies. It also supports polyrepos, so it suits teams coordinating multiple projects rather than only… Read the review →	Buck2 is an open-source build system developed by Meta for large-scale, multi-language repositories. It uses Starlark definitions for build configuration and custom rules, with support for C++, Python, Rust, Java, Kotlin, Go, Erlang,… Read the review →

Strengths and trade-offs

• Nx — where it wins

  • Runs only projects affected by a change
  • Combines local and remote caching with distributed CI
  • Supports npm, pnpm, Yarn, Bun, and major build tools

  Where it doesn't

  • Nx Cloud paid tiers add ongoing monthly costs
  • Enterprise pricing is custom
  • Dependency locking is not included

• Buck2 — where it wins

  • Supports local, remote, and hybrid build execution
  • Starlark enables custom rules and multi-language builds
  • Incremental graphs and action caching reduce repeated work

  Where it doesn't

  • No stable release tag was available at the time of research
  • Distributed execution may require compatible remote infrastructure
  • Its breadth may exceed the needs of smaller repositories

• Nx9.1/10 · Free plan

  A capable choice for JavaScript monorepos that need affected builds and managed CI scaling.

  Visit NxFull verdict →
• Buck28.8/10 · Free plan

  An open-source choice for Bazel-style builds with caching and remote execution.

  Visit Buck2Full verdict →