Loki

Name: Loki
Brand: Loki
Rating: 4 (49 reviews)

Unclaimed Editor reviewed

Log aggregation by Grafana Labs

Log Management Monitoring Data & Databases

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4.0(49 across the web)

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Reviews onPeerSpot

49 reviews tracked

The Bottom Line

Entry price

Free, no paid tier

Biggest pro

Grafana-native logging

Biggest con

Less features than Elasticsearch

TL;DR - Loki

Loki is an open-source log aggregation system designed for Grafana
It indexes metadata instead of full text for cost-effective log storage
Free and open-source, Cloud version in Grafana Cloud

Pricing: Free forever

Best for: Individuals & startups

4.0/5 across review platforms

What is Loki?

Editorial review

Loki stores logs for Grafana with efficiency. Like Prometheus but for logs-log aggregation designed for cost-effective storage and Grafana integration. The storage is efficient. The Grafana integration is native. The model matches Prometheus. Grafana users needing log storage choose Loki for logs that integrate naturally.

Available on: Web

LCLouis CorneloupUpdated May 26, 2026 · how we evaluateSourcegrafana.com ↗

Pros & Cons

Pros

Grafana-native logging
Cost-effective at scale
Label-based indexing
Good for Kubernetes
Simple architecture

Cons

Less features than Elasticsearch
Query language different
Full-text search limited
Learning curve
Some scale limitations

Ratings Across the Web

4(49 reviews)

PeerSpot49 reviews

4/5

Ratings aggregated from independent review platforms. Learn more

Key Features

Log aggregationPrometheus-likeLabelsCost efficientGrafanaOpen source

Pricing Plans

Free

Open source

Log aggregation
Label-based
Grafana native
Low cost

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Reviews

4.0/5

Across 49 verified user reviews on PeerSpot

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Best Loki Alternatives

Top alternatives based on features, pricing, and user needs.

View full list →

Sumo LogicPaid

Cloud-native machine data analytics

4.5

SplunkPaid

Data platform for security and observability

4.4

ElasticsearchFreemium

Distributed search and analytics

4.3

Logz.ioFreemium

Cloud observability platform on Elastic

4.5

GraylogFreemium

Open-source log management platform

4.5

FluentdFree

Open-source data collector for unified logging

4.4

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Still deciding?

Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.

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Loki FAQ

Is Loki free?

Loki is free and open source from Grafana Labs. Grafana Cloud includes a free tier for Loki logs.

What is Loki?

Loki is a log aggregation system designed to work with Grafana. Unlike Elasticsearch, it only indexes labels making it much cheaper to run at scale.

Loki vs Elasticsearch?

Loki is simpler and more cost-effective, indexing only labels. Elasticsearch offers full-text search but costs more. Loki is great for Grafana users who want affordable logging.

Source: grafana.com