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Software · head to head

Grafana Loki vs Vector

Grafana Loki logo

Grafana Loki

Software

Log Aggregation for Grafana Stack

From
Free
Rated
-
Full reviewWebsite
Vector logo

Vector

Software

A Lightweight and Ultra-Fast Tool for Building Observability Pipelines

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Grafana Loki grafana Cloud Logs Pro plan includes only 30-day retention; retention beyond 30 days requires Enterprise plan with minimum $25,000 annual commitment; Vector free and open source under the MPL-2.0 license, backed by an open source community with a public GitHub repo
  • They diverge on capability: Grafana Loki covers Log aggregation, Vector covers Log collection.

Where they differ

Only the attributes on which Grafana Loki and Vector actually diverge.

Attributes where Grafana Loki and Vector differ
AttributeGrafana LokiVector
Pricing modelfreemiumopen-source
PlatformsSelf-hosted (open source), Managed (Grafana Cloud Logs), Enterprise (self-managed with support)Web, Api
Founded20142019

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Unknown).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Grafana Loki

  • Log aggregation
  • Label-based indexing
  • LogQL language
  • Cost-effective

Only in Vector

  • Log collection
  • Metrics collection
  • Trace collection
  • Event transformation

Both cover

  • API
  • Webhooks
  • REST
  • Web support
  • Api support

What people use each for

The jobs each tool is most often brought in to do.

Grafana Loki

  • Cost-sensitive organisations deploying Kubernetes and Prometheus ecosystemsnot Vector
  • Teams needing index-free log aggregation for high-volume environmentsnot Vector

Vector

  • Log monitoringnot Grafana Loki
  • Application performancenot Grafana Loki
  • Security analyticsnot Grafana Loki
  • Troubleshootingnot Grafana Loki

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Grafana Loki

  • Grafana Cloud Logs Pro plan includes only 30-day retention; retention beyond 30 days requires Enterprise plan with minimum $25,000 annual commitment
  • Open-source version requires self-hosting all infrastructure including storage and scaling

Vector

  • Free and open source under the MPL-2.0 license, backed by an open source community with a public GitHub repo

Pricing, plan by plan

Grafana Loki

Free

No published plan breakdown. See the Grafana Loki review.

Vector

Free
  • FreeFree
    • Log collection
    • Metrics collection
    • Trace collection

Which should you pick?

Choose Grafana Loki if

  • You need log aggregation.
  • You want to start without paying.
  • You work on Self-hosted (open source), Managed (Grafana Cloud Logs), Enterprise (self-managed with support).
  • You also want label-based indexing.
Grafana Loki review

Choose Vector if

  • You need log collection.
  • You want to start without paying.
  • You work on Web, Api.
  • You also want metrics collection.
Vector review

Questions people ask

Is Grafana Loki or Vector better?
Neither clearly leads. Grafana Loki starts at Free and Vector at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Grafana Loki or Vector?
Grafana Loki starts at Free and Vector at Free.
Does Grafana Loki or Vector run on more platforms?
Grafana Loki runs on Self-hosted (open source), Managed (Grafana Cloud Logs), Enterprise (self-managed with support). Vector runs on Web, Api.
Can I use Grafana Loki for free?
Both have a free tier, so you can try either at no cost before committing.
What is Grafana Loki best used for?
Grafana Loki is most often used for cost-sensitive organisations deploying kubernetes and prometheus ecosystems, teams needing index-free log aggregation for high-volume environments. Of those, cost-sensitive organisations deploying kubernetes and prometheus ecosystems and teams needing index-free log aggregation for high-volume environments are not what Vector is typically brought in for.
What can Grafana Loki do that Vector cannot?
Grafana Loki covers Log aggregation, Label-based indexing, LogQL language, Cost-effective. Vector covers Log collection, Metrics collection, Trace collection, Event transformation. Both handle API, Webhooks, REST, Web support.
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