Softwr

Automation Integration · head to head

Flowise vs Prefect

Flowise logo

Flowise

Automation Integration

Build AI Agents, Visually

From
Free
Rated
-
Full reviewWebsite
Prefect logo

Prefect

Automation Integration

Python-first workflow orchestration that heals itself

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Flowise enterprise tier requires custom pricing with no published rates; Prefect limited to Python-based workflows; other languages require API calls

Where they differ

Only the attributes on which Flowise and Prefect actually diverge.

Attributes where Flowise and Prefect differ
AttributeFlowisePrefect
Pricing modelfreemiumFreemium with per-user and usage-based tiers
PlatformsWebCloud, Self-hosted, VPC

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 Flowise

Nothing recorded that Prefect does not also cover.

Only in Prefect

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

What people use each for

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

Flowise

  • Building multi-agent systems with orchestrated workflowsnot Prefect
  • Creating chatbots that retrieve knowledge from uploaded documentsnot Prefect
  • Implementing human-in-the-loop approval for AI agent decisionsnot Prefect
  • Deploying conversational AI without writing backend codenot Prefect

Prefect

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

Where each one falls short

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

Flowise

  • Enterprise tier requires custom pricing with no published rates

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

Pricing, plan by plan

Flowise

Free
  • FreeFree
    • 2 Flows & Assistants
    • 100 predictions per month
    • 5 MB storage
  • Starter$35/month
    • Unlimited flows & assistants
    • 10,000 predictions per month
    • 1 GB storage
  • Pro$65/month
    • 50,000 predictions per month
    • 10 GB storage
    • Unlimited workspaces

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

Which should you pick?

Choose Flowise if

  • You want to start without paying.
Flowise review

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

Questions people ask

Is Flowise or Prefect better?
Neither clearly leads. Flowise starts at Free and Prefect at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Flowise or Prefect?
Flowise starts at Free and Prefect at Free.
Does Flowise or Prefect run on more platforms?
Flowise runs on Web. Prefect runs on Cloud, Self-hosted, VPC.
Can I use Flowise for free?
Both have a free tier, so you can try either at no cost before committing.
What is Flowise best used for?
Flowise is most often used for building multi-agent systems with orchestrated workflows, creating chatbots that retrieve knowledge from uploaded documents, implementing human-in-the-loop approval for ai agent decisions, deploying conversational ai without writing backend code. Of those, building multi-agent systems with orchestrated workflows and creating chatbots that retrieve knowledge from uploaded documents are not what Prefect is typically brought in for.
What can Flowise do that Prefect cannot?
Prefect covers Python function decorators, Automatic resilience, Flexible deployment, Observable execution.

Answered from the vendors’ own pages

Flowise: Does Flowise have a free tier?

Yes, Flowise offers a free plan with 2 flows and assistants, 100 predictions per month, 5 MB storage, and community support.

Source
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
Flowise: What is Flowise's Starter plan pricing?

The Starter plan costs $35 per month (first month free) and includes unlimited flows and assistants, 10,000 predictions per month, and 1 GB storage.

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
Flowise: How does Flowise charge for additional users?

Additional users on the Pro plan cost $15 per user per month. The Pro plan supports 5+ users with this per-user add-on pricing.

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
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