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Cadence vs Prefect

A side-by-side comparison of Cadence and Prefect across 26 workflow orchestration capabilities. Cadence fully supports 19 of them and Prefect fully supports 12; of the 12 mandatory features, Cadence covers 9 and Prefect covers 8.

Cadence

Cadence is a durable, fault-tolerant workflow orchestration service for long-running, stateful applications.

Features fully supported19 / 26
Mandatory features: 9 / 12View profile

Prefect

Prefect is a Python-native open-source workflow orchestration and automation tool, enabling you to author, schedule, and monitor data pipelines as code.

Features fully supported12 / 26
Mandatory features: 8 / 12View profile

Feature comparison

13 of 26 capabilities differ between Cadence and Prefect.

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

* 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.

CadencePrefect

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