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Logging · head to head

Fluent Bit vs Humio

Fluent Bit logo

Fluent Bit

Logging

Fast and Lightweight Log Processor

From
Free
Rated
-
Full reviewWebsite
Humio logo

Humio

Logging

Real-Time Log Analytics and Search

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Fluent Bit fluent Bit ships over 100 built in plugins against more than 1,000 external plugins available for Fluentd, so fewer integrations exist out of the box; Humio humio redirects to CrowdStrike Falcon LogScale product page, indicating product acquisition and rebranding without standalone pricing
  • They diverge on capability: Fluent Bit covers Log collection, Humio covers Real-time log streaming.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Fluent Bit and Humio actually diverge.

Attributes where Fluent Bit and Humio differ
AttributeFluent BitHumio
Pricing modelopen-sourceusage-based

Identical on both: starting price (Free), free tier (Yes), platforms (Web, Api), user rating (Not yet rated), category (Logging), founded (2015).

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 Fluent Bit

  • Log collection
  • Lightweight processing
  • Data parsing
  • Event filtering

Only in Humio

  • Real-time log streaming
  • Full-text search
  • Behavioral analytics
  • Threat detection

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.

Fluent Bit

  • Lightweight log and metric forwarding from containers and edge devicesnot Humio
  • Kubernetes node level log collection with a small memory footprintnot Humio
  • Filtering and enriching telemetry before shipping it to a backendnot Humio

Humio

  • Log aggregation and analysis for IT operationsnot Fluent Bit
  • Security monitoring and threat detectionnot Fluent Bit
  • Real-time data search and investigationnot Fluent Bit

Where each one falls short

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

Fluent Bit

  • Fluent Bit ships over 100 built in plugins against more than 1,000 external plugins available for Fluentd, so fewer integrations exist out of the box
  • It is written in C, so extending it beyond the built in plugins means writing C rather than Ruby
  • Dependencies are zero only until a plugin requires one

Humio

  • Humio redirects to CrowdStrike Falcon LogScale product page, indicating product acquisition and rebranding without standalone pricing
  • No specific pricing amounts disclosed on CrowdStrike LogScale page; only billing model options mentioned without dollar figures
  • Flexible retention policies from 30 to 365+ days are available, requiring contact with sales for actual costs tied to retention selections

Pricing, plan by plan

Fluent Bit

Free
  • FreeFree
    • Log collection
    • Lightweight processing
    • Data parsing

Humio

Free
  • FreeFree
    • Real-time log streaming
    • Full-text search
    • Behavioral analytics

Which should you pick?

Choose Fluent Bit if

  • You need log collection.
  • You want to start without paying.
  • You work on Web, Api.
  • You also want lightweight processing.
Fluent Bit review

Choose Humio if

  • You need real-time log streaming.
  • You want to start without paying.
  • You work on Web, Api.
  • You also want full-text search.
Humio review

Questions people ask

Is Fluent Bit or Humio better?
Neither clearly leads. Fluent Bit starts at Free and Humio at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Fluent Bit or Humio?
Fluent Bit starts at Free and Humio at Free.
Does Fluent Bit or Humio run on more platforms?
Both run on Web, Api, so platform support will not decide this one for you.
Can I use Fluent Bit for free?
Both have a free tier, so you can try either at no cost before committing.
What is Fluent Bit best used for?
Fluent Bit is most often used for lightweight log and metric forwarding from containers and edge devices, kubernetes node level log collection with a small memory footprint, filtering and enriching telemetry before shipping it to a backend. Of those, lightweight log and metric forwarding from containers and edge devices and kubernetes node level log collection with a small memory footprint are not what Humio is typically brought in for.
What can Fluent Bit do that Humio cannot?
Fluent Bit covers Log collection, Lightweight processing, Data parsing, Event filtering. Humio covers Real-time log streaming, Full-text search, Behavioral analytics, Threat detection. Both handle API, Webhooks, REST, Web support.

Answered from the vendors’ own pages

Fluent Bit: Is Fluent Bit free?

Yes, Fluent Bit is a CNCF graduated open-source project with no vendor lock-in and is freely available for download and use.

Source
Humio: What is Humio's pricing model?

Humio is now CrowdStrike Falcon LogScale with per endpoint per month or per endpoint per year billing options available, but specific pricing amounts are not published and require contact with sales.

Source
Fluent Bit: Does Fluent Bit offer an Enterprise option?

The website navigation mentions an Enterprise section suggesting paid offerings exist, but specific pricing and details are not provided on the publicly available pages.

Source
Humio: Does CrowdStrike Falcon LogScale (formerly Humio) offer a free trial?

A 15-day free trial is offered for CrowdStrike Falcon LogScale at https://www.crowdstrike.com/en-us/products/trials/try-falcon-next-gen-siem/, but specific trial terms require review.

Source
Humio: What data retention license options are available for CrowdStrike Falcon LogScale?

Flexible retention policies include licenses for 30, 60, 90, 180, and 365 days of retention, with additional retention options available upon request.

Source
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