n8n logo
vs
Windmill logo

n8n vs Windmill

A side-by-side comparison of n8n and Windmill across 26 workflow orchestration capabilities. n8n fully supports 17 of them and Windmill fully supports 21; of the 12 mandatory features, n8n covers 9 and Windmill covers 11.

n8n

n8n is a workflow automation tool (fair-code) with a visual, node-based editor enabling you to automate tasks and integrate systems.

Features fully supported17 / 26
Mandatory features: 9 / 12View profile

Windmill

Windmill is an open-source developer platform and workflow engine that turns scripts in Python, TypeScript, Go, Bash, SQL and more into workflows, scheduled jobs, webhooks and internal apps.

Features fully supported21 / 26
Mandatory features: 11 / 12View profile

Feature comparison

6 of 26 capabilities differ between n8n and Windmill.

Change tools
Capabilityn8nWindmill
DAG-based workflow definition
Define dependencies and execution order
Mandatory
PartialYes
Code-first workflows
Versionable, testable workflows
Mandatory
NoYes
Declarative workflow model
Predictability, reproducibility
Mandatory
YesYes
Task dependency resolution
Correct execution order
Mandatory
YesYes
Persistent workflow state
Crash recovery, observability
Mandatory
YesYes
Task retries
Handle transient failures
Mandatory
YesYes
Retry policies (backoff, limits)
Avoid cascading failures
Recommended
PartialYes
Scheduling (cron / time-based)
Automated recurring workflows
Depends
YesYes
Event-driven execution
React to external systems
Depends
YesYes
Backfills / replays
Reprocess historical data
Depends
NoNo
Idempotency support
Safe retries & replays
Mandatory
NoPartial
Exactly-once semantics
Correctness for business workflows
Optional
NoNo
Long-running workflows (days/months)
Business processes, approvals
Depends
YesYes
Human-in-the-loop steps
Approvals, manual actions
Optional
YesYes
Dynamic workflows at runtime
Conditional execution
Depends
YesYes
Workflow versioning
Safe evolution over time
Recommended
YesYes
Distributed execution
Scalability
Mandatory
YesYes
High availability scheduler
Production reliability
Recommended
YesYes
Fault-tolerant execution
Crash safety
Mandatory
YesYes
Observability (logs, states, UI)
Debugging & ops
Mandatory
YesYes
Workflow-level visibility
Understand end-to-end runs
Mandatory
YesYes
Task isolation
Failure containment
Mandatory
YesYes
Native Kubernetes support
Modern infra compatibility
Depends
YesYes
Multi-language SDKs
Polyglot systems
Optional
PartialYes
Deterministic replay
Safe recovery & correctness
Optional
NoNo
Pluggable execution backends
Flexibility
Recommended
NoPartial

* To be considered a complete workflow orchestration tool, a tool must implement the features marked as mandatory according to our assessment.

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Learn more

Read the full profiles, including pros and cons, installation and alternatives.