compare
Locust vs Siege
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Locust | Siege |
|---|---|---|
| Language | Python | C |
| Licence | MIT | GPL-3.0 |
| Stars | 28k | 6.2k |
| Latest | 2.47.0 | 4.2.2 |
| Last push | 2026-11-10 | 2026-11-04 |
| Release cadence | about 16 days between releases | too few releases |
| Active contributors | 30 commit authors on the default branch in the last 90 days | 5 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Apache JMeter. Alternatives to Apache JMeter →
Full replacementLocustTests written in Python, with distributed workers.
PartialSiegeHTTP load and regression testing from the command line, without JMeter's other protocols or GUI.
Locust
- 2.47.02026-10-21Make /stop and /stats/reset POST-only. If you're using the web UI as an api, you'll need to adjust your calls
- 2.46.72026-10-04Fix negative --users causing infinite hang in headless mode
- 2.46.62026-09-17Add wait_time.poisson() for Poisson-distributed task arrivals
- 2.46.52026-09-07docs: remove stale Python 3.9 test output
- 2.46.42026-08-23Fix FastHttpUser streaming response_length using wrong header key
Locust
✓ signed The latest release, 2.47.0, carries a signature GitHub verified.
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Siege
unsigned The latest release, 4.2.2, carries no signature GitHub could verify.
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