# Chaos Toolkit vs Toxiproxy

| Attribute | Chaos Toolkit | Toxiproxy |
|---|---|---|
| **vioscaleAI score** | 47 (56% (medium)) | 49.3 (76% (high)) |
| activity.commits_last_30d | 15 | 13 |
| adoption.dependent_repos | 30 | 33,999 |
| adoption.github_stars | 2,031 | 12,418 |
| content.faq | `[{"answer":"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. It is indexed under Chaos Engineering.","source":"https://chaostoolkit.org","question":"What is Chaos Toolkit?","confidence":0.6},{"answer":"Chaos Toolkit is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://chaostoolkit.org","question":"Is Chaos Toolkit free to use?","confidence":0.6},{"answer":"Chaos Toolkit supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://chaostoolkit.org","question":"What platforms does Chaos Toolkit support?","confidence":0.6},{"answer":"Yes. Chaos Toolkit can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://chaostoolkit.org","question":"Can Chaos Toolkit be self-hosted?","confidence":0.6},{"answer":"Yes. Chaos Toolkit is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/chaostoolkit/chaostoolkit","question":"Is Chaos Toolkit open source?","confidence":0.95}]` | `[{"answer":"A Go-based TCP proxy tool designed for testing and CI environments that injects controlled network failures, latency, and corruption to verify applications handle degraded connectivity gracefully. Enables developers to simulate chaos deterministically or with randomization during testing. It is indexed under Chaos Engineering.","source":"https://github.com/pricing","question":"What is Toxiproxy?","confidence":0.6},{"answer":"Toxiproxy is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.","source":"https://github.com/pricing","question":"Is Toxiproxy free to use?","confidence":0.6},{"answer":"Toxiproxy supports Windows, macOS, Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://github.com/pricing","question":"What platforms does Toxiproxy support?","confidence":0.6},{"answer":"Yes. Toxiproxy can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://github.com/pricing","question":"Can Toxiproxy be self-hosted?","confidence":0.6},{"answer":"Yes. Toxiproxy is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/Shopify/toxiproxy","question":"Is Toxiproxy open source?","confidence":0.95}]` |
| deployment.options | `{"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | 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. | A TCP proxy that allows developers to inject network and system faults in a controlled manner to verify how their applications behave and recover under adverse conditions |
| features.capabilities | - | `{"open_source":true,"pricing_model":"open_source","deployment_model":"self_hosted","experiment_as_code":true,"blast_radius_control":true,"fault_injection_scope":"network"}` |
| integrations.count | - | 1 |
| integrations.list | - | `[{"name":"Ruby"}]` |
| language.primary | Python | Go |
| license.spdx | Apache-2.0 | MIT |
| market.availability | - | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true}` | `{"cli":true,"mac":true,"linux":true,"windows":true}` |
| pricing | `{"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"}` | `{"type":"open_source","sourceUrl":"https://github.com/pricing","retrievedAt":"2026-10-14T21:34:52.190Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | open_source |
| pricing.price_level | free | free |
| pricing.transparent | yes | yes |
| release.cadence_days | 39 | 74 |
| release.history | `[{"url":"https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.21.4","date":"2026-10-05T09:44:32Z","type":"stable","version":"1.21.4"},{"url":"https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.21.3","date":"2026-10-05T07:57:19Z","type":"stable","version":"1.21.3"},{"url":"https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.21.2","date":"2026-10-05T07:08:56Z","type":"stable","version":"1.21.2"},{"url":"https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.21.1","date":"2026-09-28T12:25:14Z","type":"stable","version":"1.21.1"},{"url":"https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.21.0","date":"2026-09-27T19:26:37Z","type":"stable","version":"1.21.0"},{"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/Shopify/toxiproxy/releases/tag/v2.13.0","date":"2026-10-14T18:26:53Z","type":"stable","version":"v2.13.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.12.0","date":"2025-03-18T13:12:45Z","type":"stable","version":"v2.12.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.11.0","date":"2024-10-16T19:26:12Z","type":"stable","version":"v2.11.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.10.0","date":"2024-10-08T17:50:37Z","type":"stable","version":"v2.10.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.9.0","date":"2024-03-12T18:35:45Z","type":"stable","version":"v2.9.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.8.0","date":"2024-02-27T20:31:13Z","type":"stable","version":"v2.8.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.7.0","date":"2023-10-25T15:03:55Z","type":"stable","version":"v2.7.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.6.0","date":"2023-08-22T16:02:08Z","type":"stable","version":"v2.6.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.5.0","date":"2022-09-10T12:10:32Z","type":"stable","version":"v2.5.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.4.0","date":"2022-03-07T16:23:51Z","type":"stable","version":"v2.4.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.3.0","date":"2021-12-23T12:22:50Z","type":"stable","version":"v2.3.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.2.0","date":"2021-10-17T16:32:33Z","type":"stable","version":"v2.2.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.1.7","date":"2021-09-23T15:00:38Z","type":"stable","version":"v2.1.7"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.1.6","date":"2021-09-23T12:35:53Z","type":"stable","version":"v2.1.6"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.1.5","date":"2021-09-01T16:00:02Z","type":"stable","version":"v2.1.5"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.1.5-pre","date":"2021-09-01T11:15:45Z","type":"prerelease","version":"v2.1.5-pre"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.1.4","date":"2019-01-22T15:27:12Z","type":"stable","version":"v2.1.4"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.1.3","date":"2018-03-05T23:45:13Z","type":"stable","version":"v2.1.3"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.1.2","date":"2017-07-10T13:42:37Z","type":"stable","version":"v2.1.2"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.1.2rc1","date":"2017-06-29T17:47:23Z","type":"prerelease","version":"v2.1.2rc1"}]` |
| security.disclosure_policy | - | yes |
| security.scorecard | 4.7 | 6.8 |
| security.trust_center | - | https://github.com/security |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=chaostoolkit&per_page=100","last_12m":0,"max_severity":null}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2FShopify%2Ftoxiproxy&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Chaos Engineering)

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

*Source: vioscaleAI. Generated 2026-10-16T20:15:13.934Z. "-" = undocumented, not absent.*