# Chaos Mesh vs Chaos Toolkit

**Leader by Vioscale score:** Chaos Mesh

| Attribute | Chaos Mesh | Chaos Toolkit |
|---|---|---|
| **Vioscale score** | 49.6 (58% (medium)) | 40.3 (59% (medium)) |
| activity.commits_last_30d | 19 | 7 |
| adoption.dependent_repos | 95 | 30 |
| adoption.github_stars | 7,857 | 2,020 |
| deployment.options | `{"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | Chaos Mesh enables controlled fault injection within Kubernetes environments to simulate real-world failures and identify system vulnerabilities. It provides orchestrated scenarios across development, testing, and production environments with a user-friendly dashboard and comprehensive fault types. | An open-source framework that lets developers declare and execute chaos engineering experiments using code files, enabling discovery of system weaknesses through intentional disruption and integration with CI/CD pipelines. |
| language.primary | Go | Python |
| license.spdx | Apache-2.0 | Apache-2.0 |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://chaos-mesh.org","retrievedAt":"2026-08-18T12:47:49.021Z"}` | `{"type":"open_source","summary":"Free and open source under Apache 2 license","freeTier":true,"sourceUrl":"https://chaostoolkit.org","retrievedAt":"2026-08-18T12:51:25.086Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | open_source |
| pricing.price_level | free | free |
| pricing.transparent | - | yes |
| release.cadence_days | 69 | 50 |
| release.history | `[{"url":"https://github.com/chaos-mesh/chaos-mesh/releases/tag/v2.8.4","date":"2026-08-18T07:27:04Z","type":"stable","version":"v2.8.4"},{"url":"https://github.com/chaos-mesh/chaos-mesh/releases/tag/v2.8.3","date":"2026-06-10T03:37:19Z","type":"stable","version":"v2.8.3"},{"url":"https://github.com/chaos-mesh/chaos-mesh/releases/tag/v2.8.2","date":"2026-03-25T03:30:03Z","type":"stable","version":"v2.8.2"},{"url":"https://github.com/chaos-mesh/chaos-mesh/releases/tag/v2.8.1","date":"2025-12-26T00:27:56Z","type":"stable","version":"v2.8.1"},{"url":"https://github.com/chaos-mesh/chaos-mesh/releases/tag/v2.8.0","date":"2025-09-30T22:28:24Z","type":"stable","version":"v2.8.0"},{"url":"https://github.com/chaos-mesh/chaos-mesh/releases/tag/v2.7.3","date":"2025-08-21T04:19:29Z","type":"stable","version":"v2.7.3"},{"url":"https://github.com/chaos-mesh/chaos-mesh/releases/tag/v2.7.2","date":"2025-05-15T07:50:11Z","type":"stable","version":"v2.7.2"},{"url":"https://github.com/chaos-mesh/chaos-mesh/releases/tag/v2.6.7","date":"2025-05-15T07:55:59Z","type":"stable","version":"v2.6.7"},{"url":"https://github.com/chaos-mesh/chaos-mesh/releases/tag/v2.7.1","date":"2025-03-04T02:27:18Z","type":"stable","version":"v2.7.1"},{"url":"https://github.com/chaos-mesh/chaos-mesh/releases/tag/v2.6.6","date":"2025-03-04T02:44:32Z","type":"stable","version":"v2.6.6"},{"url":"https://github.com/chaos-mesh/chaos-mesh/releases/tag/v2.7.0","date":"2024-09-20T07:47:35Z","type":"stable","version":"v2.7.0"},{"url":"https://github.com/chaos-mesh/chaos-mesh/releases/tag/v2.6.5","date":"2024-09-20T08:19:52Z","type":"stable","version":"v2.6.5"},{"url":"https://github.com/chaos-mesh/chaos-mesh/releases/tag/v2.6.4","date":"2024-08-21T05:26:00Z","type":"stable","version":"v2.6.4"},{"url":"https://github.com/chaos-mesh/chaos-mesh/releases/tag/v2.6.3","date":"2024-01-23T15:04:37Z","type":"stable","version":"v2.6.3"},{"url":"https://github.com/chaos-mesh/chaos-mesh/releases/tag/v2.6.2","date":"2023-08-23T06:40:12Z","type":"stable","version":"v2.6.2"},{"url":"https://github.com/chaos-mesh/chaos-mesh/releases/tag/v2.6.1","date":"2023-06-28T07:54:06Z","type":"stable","version":"v2.6.1"},{"url":"https://github.com/chaos-mesh/chaos-mesh/releases/tag/v2.6.0","date":"2023-05-31T03:52:21Z","type":"stable","version":"v2.6.0"},{"url":"https://github.com/chaos-mesh/chaos-mesh/releases/tag/v2.5.2","date":"2023-04-13T08:48:24Z","type":"stable","version":"v2.5.2"},{"url":"https://github.com/chaos-mesh/chaos-mesh/releases/tag/v2.5.1","date":"2023-01-14T02:32:58Z","type":"stable","version":"v2.5.1"},{"url":"https://github.com/chaos-mesh/chaos-mesh/releases/tag/v2.5.0","date":"2022-11-22T11:35:17Z","type":"stable","version":"v2.5.0"}]` | `[{"url":"https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.20.0","date":"2026-08-08T17:36:45Z","type":"stable","version":"1.20.0"},{"url":"https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.19.0","date":"2024-02-20T11:39:37Z","type":"stable","version":"1.19.0"},{"url":"https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.18.0","date":"2024-01-14T15:23:18Z","type":"stable","version":"1.18.0"},{"url":"https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.17.1","date":"2024-01-14T12:59:23Z","type":"stable","version":"1.17.1"},{"url":"https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.17.0","date":"2024-01-11T16:18:52Z","type":"stable","version":"1.17.0"},{"url":"https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.16.0","date":"2023-09-12T11:17:49Z","type":"stable","version":"1.16.0"},{"url":"https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.15.1","date":"2023-04-03T14:27:05Z","type":"stable","version":"1.15.1"},{"url":"https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.15.0","date":"2023-01-29T15:58:34Z","type":"stable","version":"1.15.0"},{"url":"https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.14.0","date":"2023-01-27T11:56:16Z","type":"stable","version":"1.14.0"},{"url":"https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.13.0","date":"2022-09-29T09:25:50Z","type":"stable","version":"1.13.0"},{"url":"https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.12.0","date":"2022-02-25T09:14:47Z","type":"stable","version":"1.12.0"},{"url":"https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.11.0","date":"2022-01-05T16:08:02Z","type":"stable","version":"1.11.0"},{"url":"https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.10.1","date":"2021-10-27T12:27:38Z","type":"stable","version":"1.10.1"},{"url":"https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.10.0","date":"2021-10-04T13:15:59Z","type":"stable","version":"1.10.0"},{"url":"https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.9.6","date":"2021-08-26T10:47:01Z","type":"stable","version":"1.9.6"},{"url":"https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.9.5","date":"2021-08-26T10:42:59Z","type":"stable","version":"1.9.5"},{"url":"https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.9.3","date":"2021-08-24T08:30:17Z","type":"stable","version":"1.9.3"},{"url":"https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.9.2","date":"2021-08-16T10:08:18Z","type":"stable","version":"1.9.2"},{"url":"https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.9.1","date":"2021-05-31T06:17:26Z","type":"stable","version":"1.9.1"},{"url":"https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.9.0","date":"2021-02-18T10:52:58Z","type":"stable","version":"1.9.0"}]` |
| reliability.status_page | yes | - |
| security.scorecard | 6.4 | 3.7 |
| security.vulnerabilities | `{"count":4,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fchaos-mesh%2Fchaos-mesh&per_page=100","last_12m":4,"max_severity":"CRITICAL"}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=chaostoolkit&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Chaos Engineering)

| Capability | Chaos Mesh | Chaos Toolkit |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Fault injection scope | - | - |
| Blast radius control | - | - |
| Automated abort safety | - | - |
| Kubernetes native | - | - |
| Scheduling gameday orchestration | - | - |
| Observability integration | - | - |
| Experiment as code | - | - |
| Agent based | - | - |
| RBAC access control | - | - |
| Deployment model | - | - |
| SOC2 | - | - |
| Open source | - | - |
| Pricing model | - | - |

*Source: Vioscale. Generated 2026-09-01T17:08:21.678Z. "-" = undocumented, not absent.*