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Technology · head to head

Confluent Cloud vs Lucidchart

Confluent Cloud logo

Confluent Cloud

Technology

The data streaming platform built on Apache Kafka, delivered as a fully managed cloud service

From
Free
Rated
-
Full reviewWebsite
Lucidchart logo

Lucidchart

Technology

Intelligent diagramming for every team

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Confluent Cloud requires understanding of eCKU (Elastic Confluent Unit) billing; Lucidchart interface can overwhelm new users due to extensive features and customization options
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Confluent Cloud and Lucidchart actually diverge.

Attributes where Confluent Cloud and Lucidchart differ
AttributeConfluent CloudLucidchart
Pricing modelusage-basedUnknown
PlatformsWebWeb, Desktop, macOS, Windows
FoundedUnknown2010

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

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 Confluent Cloud

Nothing recorded that Lucidchart does not also cover.

Only in Lucidchart

  • Flowcharts & diagrams
  • Process mapping
  • Mind maps
  • Wireframes & mockups
  • Network diagrams
  • Data visualization
  • Real-time collaboration
  • Presentation mode

What people use each for

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

Confluent Cloud

  • Apache Kafka event streaming and processingnot Lucidchart
  • Real-time data pipeline architecturenot Lucidchart
  • Multi-cloud event broker deploymentnot Lucidchart
  • Stream processing and analyticsnot Lucidchart
  • Microservices data synchronizationnot Lucidchart

Lucidchart

  • Process documentationnot Confluent Cloud
  • System architecturenot Confluent Cloud
  • Workflow designnot Confluent Cloud
  • Brainstormingnot Confluent Cloud
  • Technical documentationnot Confluent Cloud

Where each one falls short

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

Confluent Cloud

  • Requires understanding of eCKU (Elastic Confluent Unit) billing
  • Data in/egress costs add $0.014-$0.050 per GB
  • Storage costs of $0.03-$0.08 per GB-month
  • Minimum commitment recommended for cost optimization

Lucidchart

  • Interface can overwhelm new users due to extensive features and customization options
  • Drag-and-drop canvas can feel clunky compared to modern whiteboard tools like Miro

Pricing, plan by plan

Confluent Cloud

Free
  • BasicFree
    • Free first eCKU
    • Then $0.14 per eCKU-hour
    • 99.5% uptime
  • Standard$385/month
    • $0.75 per eCKU-hour
    • 99.99% uptime with 2+ eCKUs
    • Infinite storage
  • Enterprise$895/month
    • $1.75-$2.25 per eCKU-hour
    • Private networking
    • GBps+ scaling
  • Freight$2300/month
    • $2.25 per eCKU-hour
    • Specialty logging tier
    • Highest throughput requirements

Lucidchart

Free
  • FreeFree
    • 3 documents
    • 60 shapes
    • Basic templates
  • Individual$7.95/month
    • Unlimited documents
    • Advanced templates
    • Cloud storage
  • Team$9/editor/month
    • Real-time collaboration
    • Team management
    • All integrations
  • Enterprise$undefined/custom
    • Advanced security
    • SSO
    • Dedicated support

Which should you pick?

Choose Confluent Cloud if

  • You want to start without paying.
Confluent Cloud review

Choose Lucidchart if

  • You need flowcharts & diagrams.
  • You want to start without paying.
  • You work on Web, Desktop, macOS, Windows.
  • You also want process mapping.
Lucidchart review

Questions people ask

Is Confluent Cloud or Lucidchart better?
Neither clearly leads. Confluent Cloud starts at Free and Lucidchart at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Confluent Cloud or Lucidchart?
Confluent Cloud starts at Free and Lucidchart at Free.
Does Confluent Cloud or Lucidchart run on more platforms?
Confluent Cloud runs on Web. Lucidchart runs on Web, Desktop, macOS, Windows.
Can I use Confluent Cloud for free?
Both have a free tier, so you can try either at no cost before committing.
What is Confluent Cloud best used for?
Confluent Cloud is most often used for apache kafka event streaming and processing, real-time data pipeline architecture, multi-cloud event broker deployment, stream processing and analytics. Of those, apache kafka event streaming and processing and real-time data pipeline architecture are not what Lucidchart is typically brought in for.
What can Confluent Cloud do that Lucidchart cannot?
Lucidchart covers Flowcharts & diagrams, Process mapping, Mind maps, Wireframes & mockups.

Answered from the vendors’ own pages

Confluent Cloud: How much does Confluent Cloud cost?

Confluent Cloud pricing starts free on Basic tier with $0.14 per eCKU-hour, Standard at $0.75 per eCKU-hour (~$385/month base), Enterprise at $1.75-$2.25 per eCKU-hour (~$895/month base), and Freight specialty tier at $2.25 per eCKU-hour (~$2300/month).

Source
Lucidchart: What pricing plans does Lucidchart offer?

Lucidchart has a free plan (3 documents, 60 shapes), Individual plan ($7.95/month), Team plan ($9/editor/month), and Enterprise with custom pricing.

Source
Confluent Cloud: Is there a free tier for Confluent Cloud?

Yes, the Basic tier is free with one eCKU credit included. Additional usage is billed at $0.14 per eCKU-hour, plus data transfer and storage fees apply.

Source
Lucidchart: Can I use Lucidchart offline?

Lucidchart is a cloud-based platform, but offers an offline desktop option for users who need to work without internet access.

Source
Confluent Cloud: What additional fees does Confluent Cloud charge?

Beyond eCKU hours, Confluent charges data in/egress at $0.014-$0.050 per GB and storage at $0.03-$0.08 per GB-month. Costs vary by tier and region.

Source
Lucidchart: What compliance certifications does Lucidchart have?

Lucidchart provides SOC 2 Type II, FedRAMP, HIPAA BAA, and GDPR compliance, making it suitable for regulated industries.

Source
Confluent Cloud: Does Confluent offer discounts for higher usage?

Yes, volume discounts are negotiated upfront based on annual consumption estimates. Annual commitments allow flexible cross-product allocation with guaranteed cost savings.

Source
Lucidchart: Does Lucidchart have AI diagram generation?

Yes, Lucidchart uses AI to auto-generate flowcharts, UML diagrams, ER diagrams, and org charts from text prompts, Excel data, CSV files, code snippets, or database schemas.

Source
Lucidchart: What integrations does Lucidchart support?

Lucidchart integrates with Microsoft Teams, Slack, Jira, Confluence, Google Workspace, and Salesforce for seamless workflow integration.

Source
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