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Prometheus Alertmanager vs SolarWinds Incident Response: catalog facts
Prometheus Alertmanager	SolarWinds Incident Response
Free Free and open source as part of the Prometheus project.	Paid Starts at $15 per user per month, with a fully functional 14-day trial.
Self-hosted	Web
Groups hundreds of related alerts into one notification Silencing and inhibition to cut alert noise	Alert correlation and deduplication to reduce noise On-call schedules, rotations and escalation paths
Configured through files rather than a full graphical interface Designed around Prometheus and its alerting rules	Paid per user after the trial Cloud only, with no self-hosted option
Downloadable app, Self-hosted	Hosted service
Open source	Closed source
License not stated	License not stated
No account needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.