Side by side
Steadybit vs Tumult
Both stand on chaos engineering platforms. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free trial APILinuxSelf-hosted+2
Steadybit brings experiment design, system discovery, and fault testing into one reliability platform. A 30-day trial is available, but prospective buyers need to request pricing for the plans.
Visit Steadybit Free plan APILinuxMac+3
Choose Tumult if you want an open-source, self-hosted platform for authoring and controlling resilience experiments, with audit and telemetry analysis built in. Look elsewhere if experiment scheduling is required or if your deployment cannot accept the script-plugin security boundary.
Visit TumultThe facts
| Steadybit | Tumult | |
|---|---|---|
| Free plan | A free trial | Yes |
| Open source | Not published | Not published |
| Runs on | API, Linux, Self-hosted, Web, Windows | API, Linux, Mac, Self-hosted, Web, Windows |
| Lowest paid plan | Free or on request | Not published |
| Plans published | 2 | None |
| Maker | Not published | Not published |
| Website | steadybit.com | tumult.rs |
| On chaos engineering platforms | #21 of 25 | #17 of 25 |
Steadybit: what it does well
- Design experiments with a no-code editor and templates.
- Shows experiment runs in real time.
- Tests faults and health across three system layers.
- Supports air-gapped on-premises deployments.
- Offers fine-grained permissions for controlled testing.
What to know first
- Pricing is available only on request.
- No free plan is listed.
- Professional support is limited to 9–5.
Tumult: what it does well
- Open source under the Apache-2.0 license.
- Provides 91 chaos actions across 16 plugins.
- Supports gated approvals, quorum, TTL, and content-hash pinning.
- Includes emergency stop, stop-all switch, and hash-chained audit trail.
- Stores telemetry in DuckDB with SQL queries and Parquet export.
What to know first
- Self-hosted deployment requires installing the binary or Docker image.
- No experiment scheduling is supported.
- Script plugins can execute arbitrary commands if a registered plugin is malicious.
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