compare
k6 vs Locust
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | k6 | Locust |
|---|---|---|
| Language | Go | Python |
| Licence | AGPL-3.0 | MIT |
| Stars | 32k | 28k |
| Latest | v2.3.0 | 2.46.7 |
| Last push | 2026-10-06 | 2026-10-04 |
| Release cadence | about 31 days between releases | about 16 days between releases |
| Active contributors | 41 commit authors on the default branch in the last 90 days | 20 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Gatling. Alternatives to Gatling →
Full replacementk6Tests written in JavaScript instead of a Scala, Java or Kotlin DSL.
Full replacementLocustTests written in plain Python.
Both replace Apache JMeter. Alternatives to Apache JMeter →
Full replacementk6Tests written in JavaScript, run from a single binary.
Full replacementLocustTests written in Python, with distributed workers.
k6
Locust
- 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
- 2.46.32026-08-01Fix variable shadowing in _aggregate_dispatched_users
k6
unsigned The latest release, v2.3.0, carries no signature GitHub could verify.
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Locust
✓ signed The latest release, 2.46.7, carries a signature GitHub verified.
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