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Automation Integration · head to head

Prefect vs Temporal

Prefect logo

Prefect

Automation Integration

Python-first workflow orchestration that heals itself

From
Free
Rated
-
Full reviewWebsite
Temporal logo

Temporal

Automation Integration

Durable execution platform for fault-tolerant workflows.

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Prefect limited to Python-based workflows; other languages require API calls; Temporal cloud pricing scales with action volume, with per-million overage fees ($50 per million initially)

Where they differ

Only the attributes on which Prefect and Temporal actually diverge.

Attributes where Prefect and Temporal differ
AttributePrefectTemporal
Pricing modelFreemium with per-user and usage-based tiersfreemium
PlatformsCloud, Self-hosted, VPCWeb, API, Self-hosted

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Automation Integration).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Prefect

  • Python function decorators
  • Automatic resilience
  • Flexible deployment
  • Observable execution
  • Multiple scheduling
  • Webhooks
  • Open-source core

Only in Temporal

Nothing recorded that Prefect does not also cover.

What people use each for

The jobs each tool is most often brought in to do.

Prefect

  • Orchestrating data pipeline workflows in Pythonnot Temporal
  • Managing ML model training and inference jobsnot Temporal
  • Building ETL and event-driven automationnot Temporal
  • Monitoring and alerting on workflow healthnot Temporal

Temporal

  • AI pipeline orchestration and long-running AI workflowsnot Prefect
  • Distributed system workflows requiring state durabilitynot Prefect
  • Complex backend processes with retry requirementsnot Prefect
  • High-volume asynchronous task executionnot Prefect
  • Microservices coordination with guaranteed state consistencynot Prefect

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Prefect

  • Limited to Python-based workflows; other languages require API calls
  • Hobby free tier severely limited for production use
  • Team plan billing per user scales quickly with team size
  • Less visual workflow builder compared to some competitors
  • Smaller ecosystem of pre-built connectors than alternatives

Temporal

  • Cloud pricing scales with action volume, with per-million overage fees ($50 per million initially)
  • Enterprise customers incur additional storage costs beyond base allocations
  • Self-hosted deployments require operational expertise to deploy and maintain the Temporal Service
  • No native workflow UI builder; workflows must be defined in code
  • Free tier limited to self-hosted option only; no free cloud tier

Pricing, plan by plan

Prefect

Free
  • HobbyFree
    • 2 users and 5 deployments
    • 500 minutes serverless monthly
    • 7-day run retention
  • Starter$100/month
    • 3 users and 20 deployments
    • 75 hours serverless compute
    • Bring-your-own infrastructure
  • Team$100/user/month
    • 4-8 users per plan tier
    • 100 deployments
    • 225 hours serverless monthly
  • Enterprise$null/custom
    • SSO and SAML authentication
    • Role-based access control
    • Multiple workspaces

Temporal

Free
  • Open-sourceFree
    • Self-hosted deployment
    • Full platform functionality
    • Community support
  • Essentials$100/month
    • 1 million actions monthly
    • 1 GB active storage
    • 40 GB retained storage
  • Business$500/month
    • 2.5 million actions monthly
    • 2.5 GB active storage
    • 100 GB retained storage
  • Enterprise$undefined/month
    • 10 million actions monthly
    • 10 GB active storage
    • 400 GB retained storage

Which should you pick?

Choose Prefect if

  • You need python function decorators.
  • You want to start without paying.
  • You work on Cloud, Self-hosted, VPC.
  • You also want automatic resilience.
Prefect review

Choose Temporal if

  • You want to start without paying.
  • You work on Web, API, Self-hosted.
Temporal review

Questions people ask

Is Prefect or Temporal better?
Neither clearly leads. Prefect starts at Free and Temporal at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Prefect or Temporal?
Prefect starts at Free and Temporal at Free.
Does Prefect or Temporal run on more platforms?
Prefect runs on Cloud, Self-hosted, VPC. Temporal runs on Web, API, Self-hosted.
Can I use Prefect for free?
Both have a free tier, so you can try either at no cost before committing.
What is Prefect best used for?
Prefect is most often used for orchestrating data pipeline workflows in python, managing ml model training and inference jobs, building etl and event-driven automation, monitoring and alerting on workflow health. Of those, orchestrating data pipeline workflows in python and managing ml model training and inference jobs are not what Temporal is typically brought in for.
What can Prefect do that Temporal cannot?
Prefect covers Python function decorators, Automatic resilience, Flexible deployment, Observable execution.

Answered from the vendors’ own pages

Prefect: What is included in the Hobby free plan?

Hobby includes 2 users, 5 deployments, 500 minutes of serverless compute monthly, and 7-day run retention.

Source
Temporal: What programming languages does Temporal support?

Temporal provides native SDKs for Go, Java, .NET, PHP, Python, Ruby, Rust, and TypeScript.

Source
Prefect: What is the difference between Starter and Team plans?

Starter is $100/month for 3 users and 20 deployments. Team is $100 per user per month for 4-8 users and 100 deployments.

Source
Temporal: Can I run Temporal on-premises or self-hosted?

Yes. Temporal is available as open-source software under the MIT license, allowing self-hosted deployment. Temporal Cloud is also available as a managed service alternative.

Source
Prefect: Can I deploy Prefect in my own infrastructure?

Yes, Starter and higher plans support bring-your-own-compute infrastructure and VPC deployments.

Source
Temporal: What is included in the free tier?

$1,000 in free credits for new users to explore Temporal Cloud. Self-hosted Temporal is available free with full platform functionality.

Source
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