Software · head to head
Deno vs Yarn
Deno
Software
A fast, open-source, fully Node-compatible JS runtime with TypeScript baked right in
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Deno the runtime itself is MIT licensed per the project's GitHub repository (denoland/deno LICENSE.md) with no cost, but Deno Deploy's free tier caps at 1 million requests and 15 CPU hours per month, per deno.com/deploy/pricing (Aug 2026); Yarn yarn 2+ (Berry) has limited ESM support which can be a constraint for some projects
Where they differ
Only the attributes on which Deno and Yarn actually diverge.
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Unknown).
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Deno
- The runtime itself is MIT licensed per the project's GitHub repository (denoland/deno LICENSE.md) with no cost, but Deno Deploy's free tier caps at 1 million requests and 15 CPU hours per month, per deno.com/deploy/pricing (Aug 2026)
- Deno Deploy Pro at $20 per month charges $2 per additional million requests and $0.05 per additional CPU hour once the included quota is exceeded, per deno.com/deploy/pricing
Yarn
- Yarn 2+ (Berry) has limited ESM support which can be a constraint for some projects
- Smaller ecosystem and community compared to npm, though still substantial
Pricing, plan by plan
Deno
FreeNo published plan breakdown. See the Deno review.
Yarn
FreeNo published plan breakdown. See the Yarn review.
Which should you pick?
Questions people ask
- Is Deno or Yarn better?
- Neither clearly leads. Deno starts at Free and Yarn at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Deno or Yarn?
- Deno starts at Free and Yarn at Free.
- Does Deno or Yarn run on more platforms?
- Deno runs on Web. Yarn runs on Web, Linux, macOS, Windows.
- Can I use Deno for free?
- Both have a free tier, so you can try either at no cost before committing.
Answered from the vendors’ own pages
Yarn: What is Yarn's main advantage over npm?
Yarn downloads packages in parallel, significantly reducing installation time. It uses a yarn.lock file for deterministic installs, ensuring identical package versions across machines and preventing version conflicts common with npm.
SourceYarn: Can I use Yarn in offline environments?
Yes, Yarn supports secure offline environments. The yarn.lock file enables reproducible installs without requiring new downloads.
SourceRelated pages
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