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Logging · head to head

Fluentd vs Honeybadger

Fluentd logo

Fluentd

Logging

Open Source Data Collector for Unified Logging

From
Free
Rated
-
Full reviewWebsite
Honeybadger logo

Honeybadger

Logging

Error and Uptime Monitoring for Developers

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Fluentd fluentd needs more than 60 MB of memory at runtime, against roughly 450 KB for Fluent Bit; Honeybadger the free Developer plan is limited to one user, 5,000 errors per month, 50 MB per day of logging and one uptime monitor
  • They diverge on capability: Fluentd covers Log collection, Honeybadger covers Error tracking.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Fluentd and Honeybadger actually diverge.

Attributes where Fluentd and Honeybadger differ
AttributeFluentdHoneybadger
Pricing modelopen-sourcefreemium
Founded20112012

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

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 Fluentd

  • Log collection
  • Data parsing
  • Filtering and buffering
  • Event routing

Only in Honeybadger

  • Error tracking
  • Uptime monitoring
  • Status pages
  • Incident management

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.

Fluentd

  • Unified log collection and routing from many sources to many destinationsnot Honeybadger
  • Parsing and transforming log records before forwardingnot Honeybadger
  • Aggregating logs from containers into Elasticsearch, S3 or a SIEMnot Honeybadger

Honeybadger

  • Exception and error tracking for Ruby, Elixir, PHP, Python and JavaScript applicationsnot Fluentd
  • Uptime and cron heartbeat monitoring alongside error datanot Fluentd
  • Publishing a public status page for a small SaaS productnot Fluentd

Where each one falls short

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

Fluentd

  • Fluentd needs more than 60 MB of memory at runtime, against roughly 450 KB for Fluent Bit
  • Fluentd is built as a Ruby gem and depends on other gems, so a Ruby runtime is required
  • Its capability comes from over 1,000 external plugins rather than built in functionality, so each added input or output is a separate dependency
  • The Fluent Bit documentation states that cloud providers have switched from Fluentd to Fluent Bit for performance and compatibility and calls Fluent Bit the next generation solution

Honeybadger

  • The free Developer plan is limited to one user, 5,000 errors per month, 50 MB per day of logging and one uptime monitor
  • SSO, unlimited teams and priority support require the Business plan at $80 per month
  • Error data retention is 15 days on Developer, 90 days on Team and 180 days on Business
  • Log and event retention is 7 days on the free plan and up to 30 days on Team
  • Premium integrations including Jira, PagerDuty, SMS and webhooks are excluded from the free Developer plan
  • S3 archiving of Insights events is not available on the Developer plan
  • Uptime check frequency is capped at 5 minutes on Developer and 2 minutes on Team; 1 minute checks require Business

Pricing, plan by plan

Fluentd

Free
  • FreeFree
    • Log collection
    • Data parsing
    • Filtering and buffering

Honeybadger

Free
  • DeveloperFree
    • 5,000 errors per month
    • 50 MB per day logging
    • 1 monitor
  • Team$26/month
    • 50,000 errors per month
    • 100 MB per day logging
    • 5 monitors
  • Business$80/month
    • 50,000 errors per month
    • 100 MB per day logging
    • 5 monitors

Which should you pick?

Choose Fluentd if

  • You need log collection.
  • You want to start without paying.
  • You work on Web, Api.
  • You also want data parsing.
Fluentd review

Choose Honeybadger if

  • You need error tracking.
  • You want to start without paying.
  • You work on Web, Api.
  • You also want uptime monitoring.
Honeybadger review

Questions people ask

Is Fluentd or Honeybadger better?
Neither clearly leads. Fluentd starts at Free and Honeybadger at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Fluentd or Honeybadger?
Fluentd starts at Free and Honeybadger at Free.
Does Fluentd or Honeybadger run on more platforms?
Both run on Web, Api, so platform support will not decide this one for you.
Can I use Fluentd for free?
Both have a free tier, so you can try either at no cost before committing.
What is Fluentd best used for?
Fluentd is most often used for unified log collection and routing from many sources to many destinations, parsing and transforming log records before forwarding, aggregating logs from containers into elasticsearch, s3 or a siem. Of those, unified log collection and routing from many sources to many destinations and parsing and transforming log records before forwarding are not what Honeybadger is typically brought in for.
What can Fluentd do that Honeybadger cannot?
Fluentd covers Log collection, Data parsing, Filtering and buffering, Event routing. Honeybadger covers Error tracking, Uptime monitoring, Status pages, Incident management. Both handle API, Webhooks, REST, Web support.

Answered from the vendors’ own pages

Fluentd: How much does Fluentd cost?

Fluentd is free and open-source under the Apache 2 License from the Cloud Native Computing Foundation (CNCF). There are no subscription fees, licensing costs, or commercial pricing tiers.

Source
Honeybadger: Is Honeybadger free?

Honeybadger offers a free Developer plan permanently with 5,000 errors per month, 50 MB per day logging, and 1 monitor, supporting unlimited projects for a single user.

Source
Honeybadger: How much does the Honeybadger Team plan cost annually?

The Team plan costs $26 per month billed annually at $286 per year, providing 50,000 errors per month with unlimited users and 90-day error retention.

Source
Honeybadger: What's the difference between Honeybadger Business and Team plans?

Both Team and Business plans include 50,000 errors per month, but Business adds 180-day error retention (vs 90-day), includes enterprise security and compliance features, and supports unlimited teams.

Source
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