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Harness vs Deno

Harness logo

Harness

Software

Software delivery platform across CI, CD, security testing and cost management

From
On request
Rated
-
Full reviewWebsite
D

Deno

Software

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

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Deno has a free tier, so it costs nothing to try first.
  • Each has a real cost: Harness essentials plan caps users at 500, organizations at 1, custom dashboards at 5 and concurrent CI pipeline executions at 60, all unlimited only on Enterprise; 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)

Where they differ

Only the attributes on which Harness and Deno actually diverge.

Attributes where Harness and Deno differ
AttributeHarnessDeno
Starting priceOn requestFree
Pricing modelquotefreemium
Free tierNoYes

Identical on both: platforms (Web), 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.

Harness

  • Essentials plan caps users at 500, organizations at 1, custom dashboards at 5 and concurrent CI pipeline executions at 60, all unlimited only on Enterprise
  • Pipeline history is limited to 6 months on the Essentials plan; extending to 25 months requires an Enterprise add-on
  • Enterprise plan pricing is quote only, reached by contacting sales rather than a published rate

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

Pricing, plan by plan

Harness

On request

No published plan breakdown. See the Harness review.

Deno

Free

No published plan breakdown. See the Deno review.

Which should you pick?

Choose Harness if

Nothing in the data separates Harness from Deno on the points above - pick on price and on how each one feels to use.

Harness review

Choose Deno if

  • You want to start without paying.
Deno review

Questions people ask

Is Harness or Deno better?
Neither clearly leads. Harness starts at On request and Deno at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Harness or Deno?
Deno has a free tier; the other does not. Paid plans start at On request for Harness and Free for Deno.
Does Harness or Deno run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use Deno for free?
Yes. Deno has a free tier, so you can try it without paying. Harness starts at On request.
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