Faros vs Sleuth
The OSS-or-SaaS angle on DORA-vendor selection. Operating cost is the variable that matters.
OW
Oliver Wakefield-Smith
Founder, Digital Signet. Built siemcost / monitoringcost / itbudgetcalculator.
Updated 21 Jun 2026
Direct answer
Faros Community Edition is free open-source (Apache 2.0) and self-hostedFaros CE GitHub2026. Sleuth's Team tier is around $25/dev/monthSleuth Pricing2026. The CE's operating cost (engineer time + warehouse + monitoring) usually crosses the Sleuth subscription cost around 200 engineers.
True cost of Faros CE
One DRI engineer at 20-30% time, Snowflake credits (~$1-3K/month at this scale), monitoring stack, on-call rotation. Net annual cost is typically $80K-$150K. That crosses the Sleuth cost around 250-300 engineers depending on plan.
Time-to-first-CFR-number
Sleuth: hours. Faros CE: weeks. Faros AI hosted sits between but is quote-only. If you need a CFR for next month's board, Sleuth wins outright.
Data residency
Faros CE wins if data residency is the buying signal. Sleuth and Faros AI hosted are multi-tenant SaaS.
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