Developer Tools · head to head
Deno vs Yarn
Deno
Developer Tools
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 egress bandwidth overage costs $0.20/GB which can become expensive for high-traffic applications; Yarn yarn 2+ (Berry) has limited ESM support which can be a constraint for some projects
- Prices and features above were last checked on 29 August 2026.
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 (Developer Tools).
What people use each for
The jobs each tool is most often brought in to do.
Deno
- Running TypeScript natively without transpilation overheadnot Yarn
- Migrating Node.js applications to secure-by-default runtimenot Yarn
- Deploying edge functions and serverless containers seamlesslynot Yarn
- Consolidating developer tools into single binarynot Yarn
Yarn
- Monorepo teams managing dependencies across 50+ interdependent packagesnot Deno
- Enterprise JavaScript projects ensuring reproducible builds across CI/CDnot Deno
- Open-source projects with plugin ecosystems coordinating versionsnot Deno
- Teams requiring consistent package installs regardless of network conditionsnot Deno
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Deno
- Egress bandwidth overage costs $0.20/GB which can become expensive for high-traffic applications
- CPU time overage is $0.10/hour on Pro and Builder tiers, adding to costs for compute-intensive workloads
- Enterprise pricing is not disclosed; requires sales contact
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
Free- FreeFree
- 1 million requests/month
- 20GB egress bandwidth
- 10 apps
- Pro$20/month
- 5 million requests/month
- 200GB egress
- 50 apps
- Builder$200/month
- 25 million requests/month
- 2,000GB egress
- 10,000 apps
- Enterprise$null/month
- Custom limits on all metrics
- 99.95% reliability SLA
- Email support with SLA
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.
- What is Deno best used for?
- Deno is most often used for running typescript natively without transpilation overhead, migrating node.js applications to secure-by-default runtime, deploying edge functions and serverless containers seamlessly, consolidating developer tools into single binary. Of those, running typescript natively without transpilation overhead and migrating node.js applications to secure-by-default runtime are not what Yarn is typically brought in for.
Answered from the vendors’ own pages
Deno: How much does Deno Deploy cost?
Deno Deploy offers a free tier at $0/month, Pro at $20/month, and Builder at $200/month. Enterprise has custom pricing. All plans include base request and bandwidth limits, with overage charges for additional usage.
SourceYarn: 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.
SourceDeno: What are Deno Deploy's overage charges?
Egress bandwidth overages cost $0.20 per GB. CPU time overages are $0.10 per hour on Pro and Builder tiers. Memory time and KV database operations also incur charges beyond included limits.
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.
SourceDeno: How many apps can I deploy on Deno's free plan?
The free tier includes 10 apps with up to 1 concurrent build. Pro tier supports 50 apps with 3 concurrent builds, and Builder supports 10,000 apps with 20 concurrent builds.
SourceDeno: How many team members can access Deno Deploy?
The free tier supports up to 3 team members. Pro supports 10 team members. Builder supports 25 team members. Enterprise has custom seat limits.
SourceRelated pages
Other head to heads
- Deno vs Turborepo
- Deno vs ESLint
- Deno vs pnpm
- Deno vs Visual Studio Code
- Deno vs Jitsu
- Deno vs Argo CD
- Deno vs Frappe
- Deno vs Git
- Deno vs Restate
- Deno vs Soketi
- Deno vs Keil MDK
- Deno vs Vite
- Deno vs SonarQube
- Deno vs Sourcegraph
- Deno vs Sweep
- Deno vs Visual Studio
- Deno vs Warp
- Deno vs Prettier
- Deno vs Bazel
- Deno vs Rust
- Deno vs Moonrepo
- Deno vs Pants Build
- Deno vs Buildkite
- Deno vs Helm
- Deno vs Azure DevOps
- Deno vs Nix
- Deno vs Swagger UI
- Deno vs Ansible
- Deno vs Helix
- Deno vs JetBrains Rider
- Yarn vs Turborepo
- Yarn vs ESLint
- Yarn vs pnpm
- Yarn vs Visual Studio Code
- Yarn vs Jitsu
- Yarn vs Argo CD
- Yarn vs Frappe
- Yarn vs Git
- Yarn vs Restate
- Yarn vs Soketi
- Yarn vs Keil MDK
- Yarn vs Vite
- Yarn vs SonarQube
- Yarn vs Sourcegraph
- Yarn vs Sweep
- Yarn vs Visual Studio
- Yarn vs Warp
- Yarn vs Prettier
- Yarn vs Bazel
- Yarn vs Rust
- Yarn vs Moonrepo
- Yarn vs Pants Build
- Yarn vs Buildkite
- Yarn vs Helm
- Yarn vs Azure DevOps
- Yarn vs Nix
- Yarn vs Swagger UI
- Yarn vs Ansible
- Yarn vs Helix
- Yarn vs JetBrains Rider