Cortex vs KairosDB
| Cortex | KairosDB | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Linux, macOS, Windows | api, Linux, self-hosted |
| Deployment | self_hosted | self_hosted |
| SQL support | No | — |
| Retention policies | Yes | Yes |
| Horizontal scaling | Yes | Yes |
| Query languages | PromQL | — |
| Ingestion methods | Prometheus remote_write; OpenTelemetry Protocol (OTLP) | REST API, Telnet, Graphite plaintext, Graphite pickle, plugins |
Both are listed in Best Time-Series Databases. On Specifiction, Cortex scores higher on our published basis.