Side by side
Datadog Infrastructure Monitoring vs Robusta
Both stand on cloud monitoring. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan LinuxMacWeb+1
Visit Datadog Infrastructure Monitoring 
Free plan APISelf-hostedWeb
Choose Robusta if your team needs AI assistance investigating alerts and wants control over deployment and model choice. The main consideration is that pricing requires a quote, and self-hosted deployment uses your own LLM key.
Visit RobustaThe facts
| Datadog Infrastructure Monitoring | Robusta | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Linux, Mac, Web, Windows | API, Self-hosted, Web |
| Lowest paid plan | Infrastructure Pro: $15 a month | Free or on request |
| Plans published | 3 | 1 |
| Maker | Not published | Not published |
| Website | datadoghq.com | home.robusta.dev |
| On cloud monitoring | #16 of 31 | #12 of 31 |
Datadog Infrastructure Monitoring: what it does well
Robusta: what it does well
- Groups duplicate alerts and filters noise.
- Investigates root cause and blast radius, then suggests a fix.
- Supports SaaS, customer VPC, and self-hosted deployment.
- Customers can choose models and API keys.
- Queries, log lines, and conclusions are logged and replayable.
What to know first
- Pricing requires a quote based on team and infrastructure details.
- Full self-hosting requires the customer's own LLM key.
- Auto-remediation write access is opt-in; the agent is read-only by default.
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