CodeWithBotina
Jul 14, 2026 8 min read

npm, pnpm, yarn and bun: the no‑filter guide to choosing your package manager in 2026

npm, pnpm, yarn and bun: the no‑filter guide to choosing your package manager in 2026

Topics

#npm #pnpm #yarn #bun #package managers #JavaScript #Node.js

In the JavaScript ecosystem, few decisions generate as much debate as the choice of a package manager. npm, pnpm, yarn and bun are the four main options in 2026, and each one has a different philosophy, performance profile and set of trade‑offs.

This article is not going to tell you which one to use. What it will do is lay all the information on the table, with real data, up‑to‑date benchmarks and documented experiences from developers who have worked with these tools on real projects. In the end, the decision is yours.

The landscape in 2026: four approaches, one goal

Manager Philosophy Featured version Release year
npm Compatibility and stability npm 11.x 2010
yarn Innovation and control yarn 4.x (Berry) 2016
pnpm Efficiency and rigor pnpm 10.x 2017
bun Speed and all‑in‑one Bun 1.3 2022

Each one solves the same problem — managing dependencies — in a radically different way. npm prioritises compatibility but generates duplication on disk. pnpm optimises storage through symbolic links to a central repository. Yarn Berry eliminates node_modules with Plug'n'Play. Bun focuses on installation speed and being a complete runtime.

npm: the standard that comes with Node

npm is the manager that comes installed with Node.js. It is the one you find in every tutorial, every CI pipeline and every Dockerfile you have ever copied and pasted.

The good:

  • It is everywhere. You do not need to install anything extra. If you have Node, you have npm.
  • Maximum compatibility. It works with absolutely the entire ecosystem. No surprises.
  • Built‑in security auditing. npm audit is an industry standard.
  • It has improved a lot. Since version 7 (workspaces) and version 9 (performance), npm is no longer the drag it used to be.

The bad:

  • It is still the slowest. On cold installs, npm is the slowest of the four.
  • Disk consumption. node_modules still grows to terrifying sizes. The famous node_modules meme exists for a reason.
  • Phantom dependencies. npm's flat hoisting allows your code to use packages that are not declared in your package.json, which can cause silent failures.

Real‑world performance: On a real monorepo with two Next.js applications and a shared package, npm took 87 seconds on a cold install and occupied 1.4 GB in node_modules.【6†L8-L12】

Who is it for? For small projects, for those who do not want to think about extra tools, or for teams that prioritise compatibility above all else.

yarn: the veteran that reinvented itself

Yarn was born in 2016, created by Facebook (now Meta), to solve npm's problems: speed, reliability and deterministic lockfiles.

The good:

  • Yarn Classic (v1) is stable and battle‑tested. It is in thousands of open‑source projects.
  • Yarn Berry (v4) is radical. Plug'n'Play (PnP) eliminates node_modules entirely, using a .pnp.cjs file to resolve dependencies.
  • Nearly instant installs. With PnP and caching, re‑installs are practically immediate.
  • Plugin architecture. Extremely extensible.
  • Cleaner lockfiles. yarn.lock is easier to review in diffs than package-lock.json.

The bad:

  • Yarn Berry has compatibility issues. Many tools assume that node_modules exists. You can spend hours debugging configurations.
  • It is the hardest to justify in 2026. According to several developers, Yarn Berry is the one that costs the most to defend today.【6†L25-L28】
  • Fragmentation. There is Yarn Classic (v1) and Yarn Berry (v2+), which are practically different products.

Real‑world performance: On the same monorepo, Yarn Berry in PnP mode took 72 seconds on a cold install and occupied 890 MB. It is faster than npm, but slower than pnpm.【6†L8-L12】

Who is it for? For teams that already use Yarn and are happy with it, or for developers who want to experiment with PnP on new projects with modern tooling.

pnpm: the one that came to stay

pnpm is the manager that is gaining the most ground in 2026. Its approach is elegant: it stores each version of each package only once in a global repository, and uses hard links to make them appear in each project.

The good:

  • Massive disk savings. Install lodash in 10 projects — it only exists on disk once.
  • Much faster installs. pnpm is roughly 53% faster than npm on cold installs.【8†L5-L8】
  • Phantom dependency detection. pnpm is strict by default: you can only import what is declared in your package.json.
  • Monorepos. pnpm's workspace support is arguably the best on the market.
  • Compatible. It uses the traditional node_modules structure, so it does not have Yarn PnP's compatibility problems.

The bad:

  • Strict hoisting can bite. If a dependency uses another without declaring it (common in the npm ecosystem), pnpm will fail with a cryptic error.
  • Learning curve. pnpm's node_modules model is different; some developers need time to adapt.
  • Some tools assume flat hoisting. They may need adjustments in .npmrc.

Real‑world performance: On the same monorepo, pnpm took 41 seconds on a cold install and occupied 610 MB. Half the disk of npm and 43% faster.【6†L8-L12】

Who is it for? For medium to large projects, monorepos, or anyone who wants to save disk space and CI time.

bun: the newcomer that promises speed

Bun is not just a package manager. It is a complete runtime that includes a package manager, bundler, test runner and more, all in a single binary.

The good:

  • Extremely fast. bun install is often 10‑30 times faster than npm on cold installs. Some sources mention up to 25 times faster.
  • Zero configuration. It natively supports TypeScript, JSX and ESM, with no build steps.
  • All in one. You do not need separate tools for bundling, testing or running scripts.
  • Alternative runtime. It runs on JavaScriptCore (Safari's engine), giving it advantages in startup time and HTTP throughput.

The bad:

  • Less mature ecosystem. Although it has improved a lot, not the entire Node.js ecosystem is 100% compatible. Coverage is estimated at 98% of the most used APIs.
  • Not the standard. It does not come with Node. You need to install it explicitly.
  • Less battle‑tested in production. Although it is increasingly production‑ready in 2026, it does not yet have the track record of npm or pnpm.

Performance: Bun is the fastest on cold installs. With a warm cache, re‑installs are practically instantaneous.

Who is it for? For new projects where you want maximum speed and do not mind the occasional rough edge. For teams that want to unify their toolchain.

The definitive table (July 2026)

Feature npm yarn (Berry) pnpm bun
Comes with Node ✅ ❌ ❌ ❌
Speed (cold install) ⭐⭐ ⭐⭐⭐ ⭐⭐⭐⭐ ⭐⭐⭐⭐⭐
Disk savings ⭐ ⭐⭐⭐ ⭐⭐⭐⭐⭐ ⭐⭐⭐⭐
Compatibility ⭐⭐⭐⭐⭐ ⭐⭐⭐ ⭐⭐⭐⭐ ⭐⭐⭐
Monorepo ⭐⭐⭐ ⭐⭐⭐⭐ ⭐⭐⭐⭐⭐ ⭐⭐⭐
Phantom dependency detection ❌ ✅ (PnP) ✅ ✅
Learning curve ⭐⭐⭐⭐⭐ ⭐⭐⭐ ⭐⭐⭐⭐ ⭐⭐⭐⭐

Source: Based on benchmarks from pnpm.io (updated to July 2026)【8†L5-L8】 and documented experiences on real monorepos.【6†L8-L12】

The decision is yours

There is no "best" package manager. There are managers that fit different contexts better.

  • Small project or just learning? npm is perfect. No need to overcomplicate things.
  • Large monorepo? pnpm is the most recommended choice by the community.【6†L25-L28】
  • Want maximum speed and are starting a new project? Bun is an increasingly solid option.
  • Already using Yarn and happy with it? No reason to change.
  • Want to experiment with the latest? Try Bun on a side project.

What is clear in 2026 is that pnpm has gained significant ground as the most balanced option for most projects. Yarn Berry is the hardest to justify today. npm remains the king of compatibility. Bun is the promising future.

The choice, as always, depends on you and your context.

Poll

We want to know which package manager the CodeWithBotina community is using in 2026.

Which JavaScript package manager does your team primarily use in 2026?

References

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