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Developer Tools · head to head

Deno vs Helix

Deno logo

Deno

Developer Tools

A fast, open-source, fully Node-compatible JS runtime with TypeScript baked right in

From
Free
Rated
-
Helix logo

Helix

Developer Tools

Post-modern modal text editor for the terminal, written in Rust

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; Helix no official GUI application yet, so it requires comfort with terminal workflows.
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Deno and Helix actually diverge.

Attributes where Deno and Helix differ
AttributeDenoHelix
Pricing modelfreemiumopen-source
PlatformsWeblinux, mac, windows

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Developer Tools).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Deno

Nothing recorded that Helix does not also cover.

Only in Helix

  • Multiple Selections
  • Tree-sitter Syntax Trees
  • Built-in LSP Support
  • Fuzzy File Finder
  • Project-wide Search

What people use each for

The jobs each tool is most often brought in to do.

Deno

  • Running TypeScript natively without transpilation overheadnot Helix
  • Migrating Node.js applications to secure-by-default runtimenot Helix
  • Deploying edge functions and serverless containers seamlesslynot Helix
  • Consolidating developer tools into single binarynot Helix

Helix

  • Editing code over SSH or in tmux sessionsnot Deno
  • Working with syntax-aware selection and navigationnot Deno
  • Getting IDE-like completion and diagnostics without plugin setupnot Deno
  • Lightweight, low-resource code editing on laptopsnot 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

Helix

  • No official GUI application yet, so it requires comfort with terminal workflows.
  • Plugin ecosystem is far smaller than Vim's or Neovim's, limiting customization.
  • Keybindings differ from both Vim and Kakoune, adding a learning curve for users of either.
  • Configuration is more limited than Neovim's Lua-based extensibility.

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

Helix

Free
  • FreeFree
    • Full editor, no paid tiers

Which should you pick?

Choose Deno if

  • You want to start without paying.

Choose Helix if

  • You need multiple selections.
  • You want to start without paying.
  • You work on linux, mac, windows.
  • You also want tree-sitter syntax trees.

Questions people ask

Is Deno or Helix better?
Neither clearly leads. Deno starts at Free and Helix at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Deno or Helix?
Deno starts at Free and Helix at Free.
Does Deno or Helix run on more platforms?
Deno runs on Web. Helix runs on linux, mac, 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 Helix is typically brought in for.
What can Deno do that Helix cannot?
Helix covers Multiple Selections, Tree-sitter Syntax Trees, Built-in LSP Support, Fuzzy File Finder.

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.

Source
Helix: Is Helix free to use?

Yes, Helix is free and open source, licensed under the Mozilla Public License 2.0 (MPL-2.0), with no paid tiers or subscriptions.

Source
Deno: 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.

Source
Helix: How do I install Helix?

Install via your operating system's package manager, or download pre-built binaries from GitHub Releases; the nightly version requires building from source.

Source
Deno: 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.

Source
Helix: Does Helix support plugins?

Not yet. Helix currently has no plugin system, though the project intends to add one eventually; it instead ships with built-in LSP and tree-sitter support out of the box.

Source
Deno: 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.

Source
Helix: How do I configure Helix?

Helix ships with sane modern defaults requiring much less config-file fiddling than Vim, though settings can still be customized in a config.toml file.

Source
Helix: Where can I get help or support?

Support is community-driven via GitHub for code and issues, the Matrix chat for discussion, and OpenCollective for funding ongoing development.

Source
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