Wasmer vs Deno: Which Should You Choose in 2026?
Choosing between Wasmer and Deno comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
By Toolradar Team · Last updated February 28, 2026 · Methodology
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Wasmer
Run WebAssembly anywhere
Best for you if:
- • Wasmer is a WebAssembly runtime for running Wasm applications
- • It executes WebAssembly outside the browser with near-native speed
Deno
The next-generation open-source JavaScript runtime for the modern web, built on web standards.
Best for you if:
- • You want the higher-rated option (8.4/10 vs 7.4/10)
- • A secure and modern JavaScript/TypeScript runtime with built-in tooling.
- • Supports web standards, TypeScript, JSX, and integrates with npm/Node.js.
| At a Glance |  Deno | |
|---|---|---|
Price | Free + Paid | Free + Paid |
Best For | IDE & Code Editors | IDE & Code Editors |
Rating | 74/100 | 84/100 |
| Feature | Wasmer | Deno |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| Editorial Score | 74 | 84 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | IDE & Code EditorsTerminal Tools | IDE & Code EditorsAPI Tools |
How Wasmer and Deno Compare
Wasmer
Run WebAssembly anywhere
Free tier available · 74/100 score
Deno
The next-generation open-source JavaScript runtime for the modern web, built on web standards.
Free tier available · 84/100 score
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: Wasmer
Want the highest-rated option?
Wasmer: 74/100. Deno: 84/100.
Go with: Deno
Value user reviews?
Neither has user reviews yet.
Go with: Deno
3 Questions to Help You Decide
What's your budget?
Both are freemium. Pricing won't help you decide here.
What's your use case?
Both are ide & code editors tools. Compare their specific features to decide.
How important are ratings?
Deno scores higher: 84/100 vs 74/100.
Key Takeaways
Deno
- Higher score: 84/100 vs 74
- Free tier available
- Our pick for this comparison
Wasmer
The Bottom Line
Deno (84/100) is our pick.
Frequently Asked Questions
Is Wasmer or Deno better?
Deno scores 84/100 in our evaluation. Both are freemium.
What are Wasmer and Deno used for?
Wasmer: Run WebAssembly anywhere. Deno: The next-generation open-source JavaScript runtime for the modern web, built on web standards..
What does Wasmer cost vs Deno?
Wasmer is freemium (free tier + paid plans). Deno is freemium (free tier + paid plans). Visit their websites for detailed pricing.