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AWS Step Functions vs Luigi

A side-by-side comparison of AWS Step Functions and Luigi across 26 workflow orchestration capabilities. AWS Step Functions fully supports 18 of them and Luigi fully supports 7; of the 12 mandatory features, AWS Step Functions covers 10 and Luigi covers 6.

AWS Step Functions

AWS Step Functions is a fully managed, serverless workflow orchestration service that coordinates AWS services, Lambda functions and microservices using state machines defined in Amazon States Language.

Features fully supported18 / 26
Mandatory features: 10 / 12View profile

Luigi

Luigi is an open-source Python package from Spotify for building complex pipelines of batch jobs, handling dependency resolution, workflow management and visualization.

Features fully supported7 / 26
Mandatory features: 6 / 12View profile

Feature comparison

19 of 26 capabilities differ between AWS Step Functions and Luigi.

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

* 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.

AWS Step FunctionsLuigi

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