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testcritic

Artillery vs BlazeMeter

Feature checklists rarely decide anything. What decides it is the pricing metric, who has to write the tests, and which limitation you can live with.

Entry price

Free and open source

Open source

From $149 per month (indicative entry plan)

Free tier

What drives the bill

The metric that actually scales your invoice.

Open source and free, including distributed runs on your own AWS account. You pay AWS, not Artillery.

Priced by concurrent virtual users. Large enterprise tests are a substantial annual commitment.

Free tier

Everything, self-hosted

Free tier with a small virtual-user cap and limited test duration.

Open source

MPL-2.0

Self-hostable

No-code authoring

Languages

JavaScriptTypeScriptCodeless
JavaJavaScriptPythonCodeless

Platforms

APIWeb
APIWebiOSAndroid

Fits teams

StartupScale-up / mid-marketEnterprise
Scale-up / mid-marketEnterprise

Adoption

Widely used

Artillery Software · since 2015

Widely used

Broadcom · since 2011

Strengths

  • Distributed load on your own AWS account, so no per-virtual-user vendor pricing at all.
  • Reuses Playwright scripts for browser-level load without rewriting journeys.
  • YAML for simple scenarios, JavaScript when you need real logic.
  • Runs your existing open-source scripts unchanged — no migration cost.
  • Global load generation from many regions without owning infrastructure.
  • Reporting and trend analysis suited to handing results to management.

Limitations

  • Serverless distribution requires AWS knowledge and IAM setup.
  • Reporting is basic without exporting to an observability platform.
  • Smaller community than k6 or JMeter.
  • Expensive relative to running the same open-source scripts on your own machines.
  • Virtual-user pricing makes frequent large tests costly.
  • Adds a vendor to a workflow that can function entirely on open source.

Best for

AWS-native teams that want large-scale load tests without vendor VU pricing.

Enterprises with existing JMeter estates that need scale and reporting without building it.

All of these integrate with: Datadog.

Pricing last reviewed August 2026 and is indicative only — confirm on each vendor’s own page.