Apache Airflow
Depends
Confidence: Medium
Airflow is a buy for data engineering teams running many complex, code-defined pipelines with real ops capacity.
Comparison
Apache Airflow vs Windmill
Apache Airflow and Windmill both land on Depends.
Windmill
Depends
Confidence: Medium
Buy if your team writes code and wants self-hostable, flexible workflow orchestration . and can patch fast.
| Compare | Apache Airflow | Windmill |
|---|---|---|
| Verdict | Depends | Depends |
| Best for | Data teams with complex, code-defined pipelines | Engineering teams automating internal workflows |
| Who it's not for | Small teams that just need cron-style scheduled scripts | Non-technical teams wanting no-code automation |
| Privacy | Actively maintained with a published security model, but frequent CVEs and publicized misconfiguration leaks . patch fast and lock down deployments.⁹ | Actively exploited CVE-2026-29059 (missing authorization) affects versions 1.56.0-1.614.0; official security page not found. |
| Support quality | No direct support evidence found | No evidence found |
| Public sentiment | Reviewers 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.² | Public sources position Windmill as a code-first, open-source platform engineers like, but independent review quotes are scarce. |
| Biggest gotcha | Managed Airflow costs add up . setups around $1,500/month reported; forecast usage before committing.⁶ | CVE-2026-29059 actively exploited as of July 2026; patch immediately if self-hosting |
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
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
Sources
- Apache Airflow Review: the good, the bad - Start Data Engineeringstartdataengineering.comreview
review
review
review
review
- Reddit: Airflow setup costs $1500/monthreddit.comreview
- Companies that use Apache Airflow (53,871) | TheirStacktheirstack.comnews
- Misconfigured Apache Airflow servers leak thousands of credentialsbleepingcomputer.comnews
- CVE-2026-33858: Apache Airflow RCE Vulnerabilitysentinelone.comsecurity
- Apache Airflow vulnerabilities . 36 known CVEs | IsItPatchedisitpatched.comsecurity
- Apache Airflow Pricing (2026): Free Core + Managed Plansmodern-datatools.comofficial
- Amazon MWAA Pricingaws.amazon.comofficial
- ASF Announces Apache Airflow as a Top-Level Projectnews.apache.orgofficial
official
- Windmill official sitewindmill.devofficial
- Windmill GitHub repositorygithub.comofficial
