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Logging · head to head

incident.io vs Fluentd

incident.io logo

incident.io

Logging

Software reliability platform with on-call management and agentic root cause analysis

From
Free
Rated
-
Full reviewWebsite
Fluentd logo

Fluentd

Logging

Open Source Data Collector for Unified Logging

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: incident.io free plan limited to single team and basic features; Fluentd fluentd needs more than 60 MB of memory at runtime, against roughly 450 KB for Fluent Bit
  • They diverge on capability: incident.io covers Intelligent alert routing, Fluentd covers Log collection.

Where they differ

Only the attributes on which incident.io and Fluentd actually diverge.

Attributes where incident.io and Fluentd differ
Attributeincident.ioFluentd
Pricing modelsubscriptionopen-source
PlatformsWeb, Slack, Microsoft TeamsWeb, Api
Founded20212011

Identical on both: starting price (Free), free tier (Yes), 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 incident.io

  • Intelligent alert routing
  • Agentic root cause analysis
  • On-call scheduling
  • Slack and Teams integration
  • AI call transcription
  • Status pages
  • Workflow automation

Only in Fluentd

  • Log collection
  • Data parsing
  • Filtering and buffering
  • Event routing
  • API
  • Webhooks
  • REST
  • Web support

What people use each for

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

incident.io

  • Manage incident response workflows in Slacknot Fluentd
  • Automatically investigate root causes with AInot Fluentd
  • Maintain on-call schedules across teamsnot Fluentd
  • Track incident metrics and trendsnot Fluentd
  • Communicate status to customers automaticallynot Fluentd

Fluentd

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

Where each one falls short

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

incident.io

  • Free plan limited to single team and basic features
  • Per-user pricing increases costs for larger teams
  • Agentic features may require additional integrations
  • Advanced features concentrated in higher price tiers

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

Pricing, plan by plan

incident.io

Free
  • BasicFree
    • Slack and Teams support
    • Single team on-call
    • Status pages
  • Pro$25/user-month
    • All Team features
    • Advanced insights
    • Custom dashboards
  • Enterprise$undefined/custom
    • All Pro features
    • Dedicated success manager
    • Advanced access controls

Fluentd

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

Which should you pick?

Choose incident.io if

  • You need intelligent alert routing.
  • You want to start without paying.
  • You work on Web, Slack, Microsoft Teams.
  • You also want agentic root cause analysis.
incident.io review

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

Questions people ask

Is incident.io or Fluentd better?
Neither clearly leads. incident.io starts at Free and Fluentd at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, incident.io or Fluentd?
incident.io starts at Free and Fluentd at Free.
Does incident.io or Fluentd run on more platforms?
incident.io runs on Web, Slack, Microsoft Teams. Fluentd runs on Web, Api.
Can I use incident.io for free?
Both have a free tier, so you can try either at no cost before committing.
What is incident.io best used for?
incident.io is most often used for manage incident response workflows in slack, automatically investigate root causes with ai, maintain on-call schedules across teams, track incident metrics and trends. Of those, manage incident response workflows in slack and automatically investigate root causes with ai are not what Fluentd is typically brought in for.
What can incident.io do that Fluentd cannot?
incident.io covers Intelligent alert routing, Agentic root cause analysis, On-call scheduling, Slack and Teams integration. Fluentd covers Log collection, Data parsing, Filtering and buffering, Event routing.

Answered from the vendors’ own pages

incident.io: What is included in the free incident.io plan?

The Basic free plan includes Slack and Teams support, single team on-call, status pages, and 1 custom field, ideal for getting started with incident management.

Source
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
incident.io: How much does on-call management cost?

On-call is an add-on costing $10/user/month for Team plan or $20/user/month for Pro plan, in addition to base incident management pricing.

Source
incident.io: Can incident.io integrate with my existing tools?

incident.io natively integrates with Slack and Microsoft Teams for incident management workflows, with additional integrations available.

Source
incident.io: What SLA does incident.io offer?

Only the Enterprise plan includes a 99.99% SLA guarantee. Basic, Team, and Pro plans do not have published SLAs.

Source
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