Vegeta vs BlazeMeter

Free and open source

From $149 per month (indicative entry plan)

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

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

Everything, self-hosted

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

Established

OSS community · since 2013

Widely used

Broadcom · since 2011

• Constant-rate model avoids the coordinated-omission problem that distorts VU-based tools.
• Single static binary, trivial to run anywhere.
• Composable output for scripting and pipelines.

• 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.

• No scenarios or session state — one target list, one rate.
• No GUI or built-in reporting beyond plots.
• Go library usage required for anything sophisticated.

• 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.

Backend engineers who want rigorous constant-rate measurements of an endpoint.

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