# AWS Fault Injection Service vs Azure Chaos Studio

**Leader by Vioscale score:** AWS Fault Injection Service

| Attribute | AWS Fault Injection Service | Azure Chaos Studio |
|---|---|---|
| **Vioscale score** | 62 (76% (high)) | 47.4 (61% (medium)) |
| deployment.options | `{"cloud":true}` | `{"cloud":true,"hybrid":true}` |
| description.long | A managed service that helps engineering teams discover application weaknesses by running controlled fault injection experiments. It provides pre-built failure scenarios, automatic safeguards to prevent unintended impact, and monitoring integration to track application behavior during tests. | A testing platform that helps organizations improve how their applications perform under adverse conditions by enabling controlled experimentation with faults and service disruptions. |
| integrations.count | 1 | - |
| integrations.list | `[{"name":"AWS CloudWatch"}]` | - |
| market.availability | `{"hqCountry":"US","primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"usage","plans":[{"free":false,"name":"Standard Usage","summary":"$0.10 per action-minute","features":["Single-account experiments","Pre-built scenarios","CloudWatch integration","Safety controls"],"components":[{"per":{"qty":1,"unit":"action-minute"},"kind":"metered","amount":0.1,"currency":"USD"}],"description":"Pay per action-minute for experiments","contactSales":false},{"free":false,"name":"Multi-Account Usage","summary":"$0.10 per action-minute + $0.10 per action-minute per additional account","features":["Multi-account orchestration","Cross-account targeting"],"components":[{"per":{"qty":1,"unit":"action-minute"},"kind":"metered","amount":0.1,"currency":"USD"},{"per":{"qty":1,"unit":"action-minute per additional account"},"kind":"metered","amount":0.1,"currency":"USD"}],"description":"Additional charges per target account","contactSales":false},{"free":false,"name":"GovCloud Pricing","summary":"$0.12 per action-minute in GovCloud","features":["US GovCloud regions support"],"components":[{"per":{"qty":1,"unit":"action-minute"},"kind":"metered","amount":0.12,"currency":"USD"}],"description":"Pricing for AWS GovCloud US regions","contactSales":false}],"addOns":[{"name":"Experiment Reports","components":[{"kind":"one_time","amount":5,"currency":"USD"}]}],"summary":"From $0.10 per action-minute. Free tier available.","currency":"USD","freeTier":true,"sourceUrl":"https://aws.amazon.com/fis/pricing/","retrievedAt":"2026-08-18T12:54:27.351Z","startingPrice":{"amount":0.1,"period":"month","currency":"USD"}}` | `{"type":"usage","currency":"USD","freeTier":true,"sourceUrl":"https://azure.microsoft.com/acom/etc.clientlibs/onecloud/components/content/reimagine/atomic/carousel/v1/carousel/clientlibs/pricing-styles.ACSHASHbcdafd3e07059ae596973551430292fc.min.css","retrievedAt":"2026-08-18T12:55:31.401Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | freemium |
| pricing.price_level | low | low |
| pricing.transparent | yes | - |
| reliability.status_page | - | yes |
| security.disclosure_policy | yes | - |
| security.fedramp | yes | - |
| security.gdpr | yes | yes |
| security.hipaa | yes | - |
| security.pci | yes | - |

## Capabilities (Chaos Engineering)

| Capability | AWS Fault Injection Service | Azure Chaos Studio |
|---|:--:|:--:|
| **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 2026-09-01T16:49:20.337Z. "-" = undocumented, not absent.*