Best Gremlin Alternatives in 2026
Updated
20 apps from chaos engineering platforms ranked against Gremlin on the same published basis.
- 1Gremlin vs Chaos Toolkit
- 2Gremlin vs ChaosBlade
- 3Gremlin vs Reliably
- 4Gremlin vs Krkn
- 5Gremlin vs Chaos Mesh
- 6Gremlin vs LitmusChaos
- 7Gremlin vs PowerfulSeal
- 8Gremlin vs Toxiproxy
- 9Gremlin vs Tumult
- 10Gremlin vs Canonical Chaos Engineering Platform
- 11Gremlin vs KubeInvaders
- 12Gremlin vs AWS Fault Injection Service
- 13Gremlin vs Chaos Monkey for Spring Boot
- 14Gremlin vs chaosd
- 15Gremlin vs FaultMesh
- 17Gremlin vs Pumba
- 18Gremlin vs Steadybit
- 19Gremlin vs Zuul
- 20Gremlin vs khaos-monkey
- 21Gremlin vs Krkn-AI
Gremlin alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Chaos Toolkit | 6.6 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 2 | ChaosBlade | 6.6 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 3 | Reliably | 6.6 | Free plan | £40/mo | Linux, Mac, self-hosted, Web, Windows |
| 4 | Krkn | 6.5 | Free plan | Free | API, Linux, self-hosted, Web |
| 5 | Chaos Mesh | 6.4 | Free plan | Free | API, self-hosted, Web |
| 6 | LitmusChaos | 6.4 | Free plan | Free | API, Linux, self-hosted, Web |
| 7 | PowerfulSeal | 6.4 | Free plan | Free | self-hosted, Web |
| 8 | Toxiproxy | 5.4 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 9 | Tumult | 5.4 | No | — | Web, Mac, Linux |
| 10 | Canonical Chaos Engineering Platform | 5.3 | No | — | Web, Linux |
| 11 | KubeInvaders | 5.3 | No | — | self-hosted, Web |
| 12 | AWS Fault Injection Service | 5.2 | No | — | API, Linux, Mac, Web, Windows |
| 13 | Chaos Monkey for Spring Boot | 5.2 | No | — | API, self-hosted |
| 14 | chaosd | 5.2 | Free plan | Free | API, Linux, self-hosted |
| 15 | FaultMesh | 5.2 | Free plan | $49/mo | API, self-hosted, Web |
| 17 | Pumba | 5.2 | No | — | Linux |
| 18 | Steadybit | 5.2 | No | — | API, Linux, self-hosted, Web, Windows |
| 19 | Zuul | 5.2 | No | — | Linux |
| 20 | khaos-monkey | 5.1 | No | — | — |
| 21 | Krkn-AI | 5.1 | No | — | — |
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Questions about Gremlin alternatives
What is the best alternative to Gremlin?
Chaos Toolkit, number 1 in chaos engineering platforms with a score of 6.6 out of 10. The others here: ChaosBlade, Reliably, Krkn and 16 more.
What is the best free alternative to Gremlin?
Chaos Toolkit is the best-ranked alternative with a free plan. 10 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.