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Prometheus vs TDengine

Prometheus

6.6 #10 in Kubernetes Monitoring

About Prometheus

TDengine

6.6 #5 in Time-Series Databases

About TDengine
PrometheusTDengine
Free planYesYes
Free trialNoNo
Paid fromFree$281.25/mo
Open sourceNoNo
PlatformsLinux, macOS, self-hosted, Web, Windowsapi, Linux, macOS, self-hosted, Web, Windows
Free planYesYes
Deploymentself_hostedboth
SQL supportNoYes
Retention policiesYesYes
Horizontal scalingNoYes
Query languagesPromQLSQL
Ingestion methodsHTTP pull scraping; Pushgateway; Remote Write; OpenMetrics backfillingSQL, InfluxDB Line Protocol, OpenTSDB Telnet Protocol, OpenTSDB JSON Protocol, MQTT, OPC UA, OPC DA, Kafka, CSV, PI System, MySQL, PostgreSQL, Oracle, MongoDB

Both are listed in Best Time-Series Databases. On Freedom251, Prometheus scores higher on our published basis.