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Windmill vs Apache Airflow

Windmill and Apache Airflow both land on Depends.

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Windmill versus Apache Airflow
CompareWindmillApache Airflow
VerdictDependsDepends
Best forEngineering teams automating internal workflowsData teams with complex, code-defined pipelines
Who it's not forNon-technical teams wanting no-code automationSmall teams that just need cron-style scheduled scripts
PrivacyActively exploited CVE-2026-29059 (missing authorization) affects versions 1.56.0-1.614.0; official security page not found.⁸Actively maintained with a published security model, but frequent CVEs and publicized misconfiguration leaks . patch fast and lock down deployments.
Support qualityNo evidence foundNo direct support evidence found
Public sentimentPublic sources position Windmill as a code-first, open-source platform engineers like, but independent review quotes are scarce.⁴Reviewers and Reddit data engineers respect Airflow's orchestration power but repeatedly flag its learning curve, self-hosting burden, and tendency to be used outside its sweet spot.14
Biggest gotchaCVE-2026-29059 actively exploited as of July 2026; patch immediately if self-hosting⁹Managed Airflow costs add up . setups around $1,500/month reported; forecast usage before committing.

Pick Windmill when

  • Engineering teams automating internal workflows
  • Teams wanting code flexibility and self-hosting
  • Replacing cron scripts with durable workflows
  • Internal tool builders who code

When Windmill is not a fit

  • Non-technical teams wanting no-code automation
  • Small teams without an engineer to run it
  • Orgs unable to patch fast against active exploits
  • Anyone wanting plug-and-play SaaS simplicity

Pick Apache Airflow when

  • Data teams with complex, code-defined pipelines
  • Batch ETL scheduling and monitoring at scale
  • Orgs with DevOps capacity or managed-hosting budget

When Apache Airflow is not a fit

  • Small teams that just need cron-style scheduled scripts
  • Non-developers . every workflow is Python code
  • Real-time or streaming workloads (batch-oriented tool)
  • Teams with nobody to patch, secure, and operate it

Sources

  1. Windmill official sitewindmill.dev
    official
  2. Windmill GitHub repositorygithub.com
    official
  3. Windmill on Y Combinatorycombinator.com
    official
  4. Best Workflow Automation Tools for Engineering Teamstmcnet.com
    news
  5. Best n8n Alternatives in 2026: 6 Tools Comparedbuda.im
    review
  6. Best n8n Alternatives for Open-Source Automationsynta.io
    review
  7. Windmill free tier . Unlimited Executions Freefreetier.co
    review
  8. Windmill CVEs and Security Vulnerabilitiesapp.opencve.io
    security
  9. Active exploitation of Windmill vulnerabilityfieldeffect.com
    security
  10. Windmill Security pagewindmill.dev
    security
  11. Windmill on Cloudron community packageforum.cloudron.io
    news
  12. Windmill . Workflow Orchestration & Durable Executiondevtune.ai
    review
  13. Apache Airflow Review: the good, the bad - Start Data Engineeringstartdataengineering.com
    review
  14. Apache Airflow Reviews | G2g2.com
    review
  15. Is Apache Airflow Still the Gold Standard? An In-Depth 2025 Reviewsider.ai
    review
  16. The Good and the Bad of Apache Airflow Pipeline Orchestration - AltexSoftaltexsoft.com
    review