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Confluent Cloud vs Earthly

Confluent Cloud logo

Confluent Cloud

Technology

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

From
Free
Free plan
Yes
Full reviewWebsite
Earthly logo

Earthly

Developer Tools

Engineering guardrails for the AI era

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: Confluent Cloud requires understanding of eCKU (Elastic Confluent Unit) billing; Earthly pricing model not published; requires sales contact
  • Prices and features above were last checked on 29 August 2026.

Where they differ

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

Attributes where Confluent Cloud and Earthly differ
AttributeConfluent CloudEarthly
Pricing modelusage-basedNo pricing published on website
PlatformsWebWeb, CLI
CategoryTechnologyDeveloper Tools
FoundedUnknown2020

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

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 Earthly does not also cover.

Only in Earthly

  • Policy as code
  • Multi-stage enforcement
  • AI agent governance
  • Repository-wide policies
  • Incident response automation
  • Compliance management
  • Earthfiles build tool
  • Satellites

What people use each for

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

Confluent Cloud

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

Earthly

  • Enforcing engineering standards across AI and human developersnot Confluent Cloud
  • Automating incident response procedures across all repositoriesnot Confluent Cloud
  • Embedding compliance requirements into development workflowsnot Confluent Cloud
  • Standardizing build processes with Earthfilesnot 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

Earthly

  • Pricing model not published; requires sales contact
  • Earthly Lunar is a recent launch (2025) with limited track record
  • Primarily GitHub-focused; limited integration with other platforms
  • No public documentation on pricing or feature tiers

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

Earthly

Free

No published plan breakdown. See the Earthly review.

Which should you pick?

Choose Confluent Cloud if

  • You want to start without paying.
Confluent Cloud review

Choose Earthly if

  • You need policy as code.
  • You want to start without paying.
  • You work on Web, CLI.
  • You also want multi-stage enforcement.
Earthly review

Questions people ask

Is Confluent Cloud or Earthly better?
Neither clearly leads. Confluent Cloud starts at Free and Earthly at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Confluent Cloud or Earthly?
Confluent Cloud starts at Free and Earthly at Free.
Does Confluent Cloud or Earthly run on more platforms?
Confluent Cloud runs on Web. Earthly runs on Web, CLI.
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 Earthly is typically brought in for.
What can Confluent Cloud do that Earthly cannot?
Earthly covers Policy as code, Multi-stage enforcement, AI agent governance, Repository-wide policies.

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
Earthly: What is the difference between Earthfiles and Earthly Lunar?

Earthfiles is an open-source build tool that reached 12,000 GitHub stars and is used by companies like NVIDIA, Intel, and Databricks. Earthly Lunar is a separate governance platform launched in 2025 for enforcing standards across development workflows.

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
Earthly: How does Earthly Lunar enforce standards?

Lunar converts engineering standards, compliance requirements, and processes documented in AGENTS.md files, wikis, and incident postmortems into enforceable guardrails that apply consistently across repositories and development stages.

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
Earthly: What is the pricing for Earthly Lunar?

Pricing is not published on the website. Interested customers should contact Earthly's sales team for current pricing and feature tiers.

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
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