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testcritic

BlazeMeter vs autocannon

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

From $149 per month (indicative entry plan)

Free tier

Free and open source

Open source

What drives the bill

The metric that actually scales your invoice.

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

Free and open source. You pay in engineering time and CI minutes.

Free tier

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

Everything, self-hosted

Open source

MIT

Self-hostable

No-code authoring

Languages

JavaJavaScriptPythonCodeless
JavaScript

Platforms

APIWebiOSAndroid
API

Fits teams

Scale-up / mid-marketEnterprise
Solo / side projectStartup

Adoption

Widely used

Broadcom · since 2011

Established

OSS community · since 2016

Strengths

  • 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.
  • Zero configuration; useful output in seconds.
  • Good percentile reporting for such a small tool.
  • Scriptable from Node for micro-benchmarks in CI.

Limitations

  • 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.
  • Single endpoint only — no user journeys, no correlation, no think time.
  • No distributed execution.
  • HTTP/1.1 focused.

Best for

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

Quick endpoint benchmarks and micro-optimisation work.

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