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Deno vs tsx

Deno lands on Depends, and tsx lands on Worth it.

Deno

deno.com

Depends
Confidence: Medium

Buy for new TypeScript projects wanting a batteries-included runtime with edge hosting.

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tsx

tsx.is

Worth it
Confidence: Medium

Use tsx if you run TypeScript in Node.js and want a simpler, actively maintained ts-node replacement . it costs nothing.

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Deno versus tsx
CompareDenotsx
VerdictDependsWorth it
Best forNew TypeScript-first projectsdevelopers running TypeScript
Who it's not forTeams migrating large Node codebases expecting zero frictionAnyone wanting the Toronto Stock Exchange
PrivacyPermission-model runtime with real 2026 CVEs (auth bypass, info disclosure); secure-by-default claims questioned by academic studies.One transitive esbuild vulnerability fixed in tsx v4.21.0; no dedicated security page found. (Intel 'TSX Asynchronous Abort' CVEs are unrelated hardware issues.)
Support qualityNo support evidence in sourcesNo evidence on support responsiveness
Public sentimentUsers like Deno's built-in TypeScript and developer experience but report migration friction, npm incompatibilities, and a smaller ecosystem than Node.⁵No formal ratings found; developer discussion centers on tsx as a modern replacement for ts-node.14
Biggest gotchaPermission sandbox has real bypass CVEs; not a hard security boundary⁹esbuild vulnerability required upgrading tsx to 4.21.0 . watch transitive dependencies

Pick Deno when

  • New TypeScript-first projects
  • Edge-deployed APIs via Deno Deploy
  • Solo devs wanting built-in tooling
  • npm-compatible scripts and tooling

When Deno is not a fit

  • Teams migrating large Node codebases expecting zero friction
  • Apps treating the permission sandbox as the only security control
  • Enterprises needing Node-scale ecosystem maturity and support
  • Projects dependent on native-binding npm packages that may break

Pick tsx when

  • Node.js developers running TypeScript
  • Teams migrating off ts-node
  • TypeScript scripts and CLIs

When tsx is not a fit

  • Anyone wanting the Toronto Stock Exchange
  • Car shoppers (that's the Acura TSX)
  • Projects already happy on Bun or native Node
  • Teams needing ts-node's deep configuration

Sources

  1. Deno homepagedeno.com
    official
  2. Announcing Deno 2deno.com
    official
  3. Deno Deploy Pricingdeno.com
    official
  4. deno audit docsdocs.deno.com
    official
  5. Deno Is Not the Drop-In Replacement I Hoped Forreddit.com
    review
  6. Bun vs Deno vs Node migration datamedium.com
    review
  7. Why didn't Deno take off?spencerpauly.com
    review
  8. Deno Deploy bandwidth cost complaintsreddit.com
    review
  9. CVE-2026-22864: Deno Auth Bypasssentinelone.com
    security
  10. CVE-2026-27190 Detail - NVDnvd.nist.gov
    security
  11. Deno raises $21Mtechcrunch.com
    news
  12. Companies that use Deno (828)theirstack.com
    news
  13. tsx on npmnpmjs.com
    official
  14. Have you used tsx as an alternative to ts-node? (Reddit r/node)reddit.com
    review
  15. Running TypeScript in Node.js: tsx vs. ts-node vs. native (LogRocket)blog.logrocket.com
    review
  16. Time to Drop ts-node for tsx (Prosopo)prosopo.io
    review