# BlazeMeter vs Taurus

> BlazeMeter is a commercial, vendor-hosted cloud load testing service from Perforce, scripted in Java, JavaScript, Python. Taurus is an open source, self-hosted load testing tool from BlazeMeter, scripted in Python, YAML. The practical split is the cost model: BlazeMeter is commercial, Taurus is open source.

- Canonical: https://perf.jmeter.ai/vs/blazemeter-vs-taurus/
- Compared: [BlazeMeter](https://perf.jmeter.ai/tools/blazemeter/) · [Taurus](https://perf.jmeter.ai/tools/taurus/)

## Verdict
Both cover HTTP, HTTPS, WebSocket. On recorded coverage BlazeMeter is the wider of the two (4 protocols against 3), which matters only if your workload actually uses the extra ones. Budget and procurement usually settle BlazeMeter against Taurus before any benchmark does. Run the same scenario on both before you standardize; the rows below only tell you what is true on paper.

## Specs
| Field | BlazeMeter | Taurus |
| --- | --- | --- |
| Vendor | Perforce | BlazeMeter |
| Category | Cloud Load Testing | Load Testing |
| License | Commercial | Open Source |
| Deployment | Cloud | Self-hosted |
| Status | Active | Active |
| First released | 2011 | 2013 |
| Pricing | Free tier and paid plans; contact vendor for enterprise pricing. | Free; Apache License 2.0. |
| Scripting | Java, JavaScript, Python | Python, YAML |
| Protocols | HTTP, HTTPS, WebSocket, JDBC | HTTP, HTTPS, WebSocket |
| OS support | Browser | Windows, macOS, Linux |

## How to choose
- Choose BlazeMeter if you can fund a commercial license for vendor support (Free tier and paid plans; contact vendor for enterprise pricing).
- Choose Taurus if you need a free, self-supported stack (Free; Apache License 2.0).
- Pick BlazeMeter to avoid operating injectors, Taurus when residency or air-gapped runs rule a hosted service out.
- Only BlazeMeter records support for JDBC — one hard requirement there decides the pair on its own.
- Match the authoring language to the team: BlazeMeter means Java, JavaScript, Python, Taurus means Python, YAML.
- Open the Test Rig to compare license, deployment, protocol and OS rows side by side.

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Curated by NaveenKumar Namachivayam (QAInsights) · methodology: https://perf.jmeter.ai/about/#methodology · corrections: https://github.com/QAInsights/Performance-Testing-Tools/issues/new?title=Tool%20submission%3A%20&body=Tool%20name%3A%20%0AOfficial%20URL%3A%20%0AWhat%20should%20be%20added%20or%20corrected%3F%20%0A