Grafana Loki
Log aggregation platform using label-based indexing for cost-effective storage and log searching
- Vendor
- Grafana Labs
- Also known as
- grafana-loki
Available worldwide
What is Grafana Loki?
An open-source logging system that stores logs as labeled streams rather than indexing full log text, reducing storage overhead and enabling fast queries. It integrates with Prometheus and Grafana to provide unified observability across logs and metrics.
Grafana Loki pricing
Plans, per-tier features and add-ons, dated and linked to live pricing. Pricing changes often; always verify at source before you rely on it.
Free tier available. Pro from $19/month + metered usage with volume discounts. Enterprise from $25,000/year.
Free
FreePerfect for personal projects, exploring new ideas, and early-stage startups
- retention
- 14 days
- logs_ingested
- 50 GB/mo
- metrics_series
- 10k active series
- All Grafana Cloud services with limited usage
- Community support
- 14 days retention for metrics, logs, traces, profiles, & k6 performance tests
Pro
Ready for scaling with more retention, basic support, and usage-based pricing
- retention
- 30 days
- logs_ingested
- 50 GB/mo included
- metrics_series
- 10k active series included
- Pay as you go above the Free tier
- 8X5 email support
- 13 months retention for metrics
- 30 days retention for logs, traces, profiles, & k6 performance tests
- Automatic volume discounts
Enterprise
Contact salesFull-service offering for companies with security, compliance, and deployment requirements
- minimum_annual_spend
- $25,000
- Premium support
- Custom retention
- Deployment flexibility (Public Cloud, Federal Cloud, Bring Your Own Cloud)
- Scalable pricing based on annual commit and volume discounts
What Grafana Loki does
The capabilities that matter for log management software, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.
- Pipeline role
- Backend
- Full-text log search
- ✗
- Live tail / stream
- ✓
- Structured parsing
- ✓
- PII redaction at ingest
- -
- Log-based alerting
- ✓
- Dashboards / visualisation
- ✓
- Retention tiering
- -
- Object-store columnar backend
- ✓
- OpenTelemetry logs
- -
- Query language
- LogQL
- Hosting
- Cloud + self-hosted
Platform & deployment
Independently observed- CLI
- Web
- Cloud / SaaS
- Self-hosted
Integrations (7)
Independently observed- Prometheus Alertmanager→•
- Prometheus
- Grafana
- Kubernetes
- Docker
- Alloy←•
- Promtail←•
Security & compliance
Known vulnerabilities: 1 (0 in the last 12 months), max severity MODERATE sourcea count reflects scale & disclosure, not quality
Grafana Loki FAQ
Common questions about Grafana Loki, answered from independent, dated evidence.
What is Grafana Loki?
Loki is a distributed log aggregation platform designed for simplicity and cost efficiency. It stores logs with only label metadata indexed rather than full-text content, making it straightforward to operate and integrate with Prometheus and Grafana for unified observability. It is indexed under Log Management Software.
Source: https://grafana.com/oss/loki/
Is Grafana Loki free to use?
Grafana Loki is open source, so it can be self-hosted and used at no licence cost. It is released under the AGPL-3.0 licence. A commercial or hosted edition starts at $0.05. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.
Source: https://grafana.com/oss/loki/
What platforms does Grafana Loki support?
Grafana Loki supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.
Source: https://grafana.com/oss/loki/
Can Grafana Loki be self-hosted?
Yes. Grafana Loki can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.
Source: https://grafana.com/oss/loki/
What does Grafana Loki integrate with?
We have confirmed 4 integrations for Grafana Loki, including Prometheus, Grafana, Kubernetes and Docker. This is what we could verify from public sources, so the vendor may support others we have not indexed.
Source: https://grafana.com/oss/loki/
What security certifications does Grafana Loki have?
We have independently confirmed SOC 2, ISO 27001 and GDPR for Grafana Loki. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Grafana Loki not holding them. Always confirm compliance directly before you rely on it.
Source: https://trust.grafana.com
Is Grafana Loki open source?
Yes. Grafana Loki is published under the AGPL-3.0 licence, a copyleft licence, so check its terms before embedding it in a closed-source product. Licence terms can change between releases, so verify against the repository for the version you intend to use.
Source: https://github.com/grafana/loki
Where is Grafana Loki available?
Grafana Loki is available worldwide. The vendor is headquartered in the United States.
Source: https://grafana.com/oss/loki/
Grafana Loki alternatives
Other log management software we track, ranked by the same independent score.
- MezmoAn observability and telemetry pipeline platform for managing data flow from sources through processing to destinationsmedium · 71%
- Elastic (ELK Stack)medium · 67%
- OpenObserveOpen-source unified observability platform with transparent pay-per-GB pricing and significantly lower storage costs than alternativesmedium · 70%
- Datadog LogsCentralized platform for collecting, analyzing, and searching logs across cloud infrastructure at scalelow · 48%
- PapertrailSimplified log aggregation and monitoringlow · 49%
- SplunkA platform for unified data analysis and monitoring across security operations, infrastructure, and AI automationmedium · 50%
Compare Grafana Loki
Side by side against other log management software, attribute by attribute, with a source on every value.
The vioscaleAI score: one lens on the evidence
Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for Grafana Loki, not the verdict.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Security posture | 90 | 0.12 | 10.4 | ✓ |
| Reliability | 50 | 0.16 | 7.9 | ✓ |
| Pricing transparency | 100 | 0.06 | 6.3 | ✓ |
| Development activity | 63 | 0.09 | 5.9 | ✓ |
| Release cadence | 96 | 0.05 | 5.0 | ✓ |
| Capabilities | 75 | 0.06 | 4.7 | ✓ |
| Price level | 80 | 0.04 | 3.4 | ✓ |
| Security score | 79 | 0.04 | 3.3 | ✓ |
| Dependent projects | 42 | 0.06 | 2.7 | ✓ |
| Stars | 84 | 0.03 | 2.2 | ✓ |
| Integrations | 26 | 0.08 | 2.2 | ✓ |
| Package downloads | 0 | 0.14 | 0.0 | - |
| Developer Q&A activity | 0 | 0.06 | 0.0 | - |
Computed . Re-weight it by intent, or see the full method.
All data & sourcesshow ↓
Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.
Activity
| Attribute | Value | Evidence |
|---|---|---|
| Commits last 30d | 100 | mediumsource · 2026-09-10 · 65% |
Adoption
Content
| Attribute | Value | Evidence |
|---|---|---|
| Faq | 8 items | mediumsource · 2026-09-10 · 68% |
Features
| Attribute | Value | Evidence |
|---|---|---|
| Capabilities | Hosting: both · Alerting: Yes · Log role: backend · Live tail: Yes · Dashboards: Yes · Query language: LogQL | mediumsource · 2026-09-10 · 60% |
Integrations
| Attribute | Value | Evidence |
|---|---|---|
| Count | 7 | mediumsource · 2026-09-10 · 60% |
Language
| Attribute | Value | Evidence |
|---|---|---|
| Primary | Go | highsource · 2026-09-10 · 90% |
License
| Attribute | Value | Evidence |
|---|---|---|
| Spdx | AGPL-3.0 | highsource · 2026-09-10 · 95% |
Market
| Attribute | Value | Evidence |
|---|---|---|
| Availability | HqCountry: US · PrimaryMarkets: … · AvailabilityScope: global · AvailableCountries: … · NotAvailableCountries: … | highsource · 2026-08-05 · 75% |
Pricing
Release
Reliability
| Attribute | Value | Evidence |
|---|---|---|
| Status page | Yes | mediumsource · 2026-08-05 · 60% |
Security
| Attribute | Value | Evidence |
|---|---|---|
| Disclosure policy | Yes | mediumsource · 2026-09-10 · 60% |
| Fedramp | Yes | highsource · 2026-08-05 · 75% |
| Gdpr | Yes | highsource · 2026-08-05 · 75% |
| Iso27001 | Yes | highsource · 2026-08-05 · 75% |
| Pci | Yes | highsource · 2026-08-05 · 75% |
| Soc2 | Yes | highsource · 2026-08-05 · 75% |
| Scorecard | 7.9 | highsource · 2026-09-10 · 90% |
| Vulnerabilities | Count: 1 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fgrafana%2Floki&per_page=100 · Last 12m: 0 · Max severity: MODERATE | highsource · 2026-09-10 · 90% |
| Trust center | https://grafana.com/security/hall-of-fame/issue_35/ | mediumsource · 2026-09-10 · 60% |
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