Fluentd
7.0#44 in log management softwareFree planFree planLinuxmacOSSelf-hostedWindows
VisitFluentd vs Grafana Loki
Grafana Loki
8.9#1 in log management softwareFrom $19 a monthFree planWebAPILinuxSelf-hosted
VisitWhat both publish
| Fact | Fluentd | Grafana Loki |
|---|---|---|
| Deployment options | self-hosted | self-hosted |
| Integrations | Listed outputs include Elasticsearch and Kibana, Splunk, AWS S3, Kafka, BigQuery, Datadog, and OpenTelemetry. | Official documentation lists Grafana Alloy as the recommended collector and describes OpenTelemetry, Promtail, Fluent Bit, Fluentd, Vector, Logstash and other clients. |
| Live log tailing | Yes | Yes |
| Log pipelines | Yes | Yes |
| Purpose | Fluentd is an open source data collector for a unified logging layer. | Loki is a log aggregation system designed to store and query logs from applications and infrastructure. |
Fluentd plans
- FluentdFree
Grafana Loki plans
- Grafana Cloud Logs FreeFree
- Grafana Loki OSS self-hostedFree
- Loki (self-hosted)Free
- Grafana Cloud Logs Pro$19 a month
- Grafana Cloud Logs Enterprise—
Pick Fluentd if…
Fluentd suits teams that need to collect, filter, buffer and route logs across varied sources and destinations. It is aimed at users able to manage a self-hosted, open-source collector.
Pick Grafana Loki if…
Loki suits teams that need to aggregate and query application or infrastructure logs and can manage a self-hosted deployment or use Grafana Cloud Logs. Its label-based indexing and LogQL are central considerations for selecting it.