# Locust vs unittest

**Leader by Vioscale score:** unittest

| Attribute | Locust | unittest |
|---|---|---|
| **Vioscale score** | 60.6 (43% (low)) | 65.8 (36% (low)) |
| activity.commits_last_30d | 36 | 100 |
| adoption.dependent_repos | 1,883 | 111 |
| adoption.github_stars | 28,103 | 74,928 |
| deployment.options | `{"self_hosted":true}` | - |
| description.long | A Python-based tool for performance testing that simulates thousands of concurrent users to stress-test web applications. Tests are written as plain Python code and can run distributed across multiple machines. | Automates unit test execution with support for setup and teardown code, test organization, and independent test management. Includes test discovery and can be integrated with continuous integration systems. |
| features.capabilities | `{"languages":"Python","parallel_execution":true}` | `{"mocking":true,"languages":"Python","assertions":true,"test_types":"unit","ci_integration":true}` |
| language.primary | Python | Python |
| license.spdx | MIT | - |
| platform.support | `{"cli":true}` | `{"cli":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://locust.io","retrievedAt":"2026-08-16T21:32:24.662Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://docs.python.org/3/library/unittest.html","retrievedAt":"2026-08-03T20:57:19.807Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | commercial |
| pricing.price_level | free | free |
| pricing.transparent | yes | yes |
| release.cadence_days | 10 | - |
| release.history | `[{"url":"https://github.com/locustio/locust/releases/tag/2.46.4","date":"2026-08-23T11:40:06Z","type":"stable","version":"2.46.4"},{"url":"https://github.com/locustio/locust/releases/tag/2.46.3","date":"2026-08-01T10:10:38Z","type":"stable","version":"2.46.3"},{"url":"https://github.com/locustio/locust/releases/tag/2.46.2","date":"2026-07-24T19:57:38Z","type":"stable","version":"2.46.2"},{"url":"https://github.com/locustio/locust/releases/tag/2.46.1","date":"2026-07-21T18:53:03Z","type":"stable","version":"2.46.1"},{"url":"https://github.com/locustio/locust/releases/tag/2.46.0","date":"2026-07-19T14:29:10Z","type":"stable","version":"2.46.0"},{"url":"https://github.com/locustio/locust/releases/tag/2.45.0","date":"2026-07-09T08:10:23Z","type":"stable","version":"2.45.0"},{"url":"https://github.com/locustio/locust/releases/tag/2.44.4","date":"2026-06-18T12:24:58Z","type":"stable","version":"2.44.4"},{"url":"https://github.com/locustio/locust/releases/tag/2.44.3","date":"2026-06-12T10:57:24Z","type":"stable","version":"2.44.3"},{"url":"https://github.com/locustio/locust/releases/tag/2.44.2","date":"2026-06-12T10:39:49Z","type":"stable","version":"2.44.2"},{"url":"https://github.com/locustio/locust/releases/tag/2.44.1","date":"2026-06-01T22:32:28Z","type":"stable","version":"2.44.1"},{"url":"https://github.com/locustio/locust/releases/tag/2.44.0","date":"2026-05-11T20:31:38Z","type":"stable","version":"2.44.0"},{"url":"https://github.com/locustio/locust/releases/tag/2.43.4","date":"2026-04-01T20:32:51Z","type":"stable","version":"2.43.4"},{"url":"https://github.com/locustio/locust/releases/tag/2.43.3","date":"2026-02-12T09:46:25Z","type":"stable","version":"2.43.3"},{"url":"https://github.com/locustio/locust/releases/tag/2.43.2","date":"2026-02-01T10:45:39Z","type":"stable","version":"2.43.2"},{"url":"https://github.com/locustio/locust/releases/tag/2.43.1","date":"2026-01-12T19:21:45Z","type":"stable","version":"2.43.1"},{"url":"https://github.com/locustio/locust/releases/tag/2.43.0","date":"2025-12-30T08:49:59Z","type":"stable","version":"2.43.0"},{"url":"https://github.com/locustio/locust/releases/tag/2.42.6","date":"2025-11-29T17:31:00Z","type":"stable","version":"2.42.6"},{"url":"https://github.com/locustio/locust/releases/tag/2.42.5","date":"2025-11-20T16:28:32Z","type":"stable","version":"2.42.5"},{"url":"https://github.com/locustio/locust/releases/tag/2.42.4","date":"2025-11-20T11:27:05Z","type":"stable","version":"2.42.4"},{"url":"https://github.com/locustio/locust/releases/tag/2.42.3","date":"2025-11-15T10:32:37Z","type":"stable","version":"2.42.3"}]` | - |
| security.scorecard | 4.8 | 7.8 |
| security.vulnerabilities | `{"count":1,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=locust&per_page=100","last_12m":0,"max_severity":"MODERATE"}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=nuget&package_name=python&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Testing Tools)

| Capability | Locust | unittest |
|---|:--:|:--:|
| **Core** |  |  |
| Test types | - | Unit |
| Browser automation | - | - |
| Built-in assertion library | - | ✓ |
| Languages | Python | Python |
| **Isolation** |  |  |
| Mocking / stubbing | - | ✓ |
| **Techniques** |  |  |
| Snapshot testing | - | - |
| **Performance** |  |  |
| Parallel execution | ✓ | - |
| **Insight** |  |  |
| Code coverage | - | - |
| **DX** |  |  |
| Watch mode | - | - |
| **Ops** |  |  |
| CI integration | - | ✓ |

*Source: Vioscale. Generated 2026-09-01T17:31:29.022Z. "-" = undocumented, not absent.*