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Automation Integration · head to head

Fivetran vs Windmill

Fivetran logo

Fivetran

Automation Integration

The most trusted data movement platform

From
Free
Rated
-
Full reviewWebsite
Windmill logo

Windmill

Automation Integration

Open-source developer platform for building scripts, workflows, and internal apps

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Fivetran billed on monthly active rows, so the bill tracks how much source data changes rather than how much is stored or queried; Windmill free self-hosted tier caps SSO users at 10 and workspaces at 3, requiring Enterprise for larger teams.
  • They diverge on capability: Fivetran covers Automated data pipeline, Windmill covers Script-to-workflow engine.

Where they differ

Only the attributes on which Fivetran and Windmill actually diverge.

Attributes where Fivetran and Windmill differ
AttributeFivetranWindmill
Pricing modelusage-basedopen-source
PlatformsWeb, Cloudweb, api, linux, windows, mac
Founded2012Unknown

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 Fivetran

  • Automated data pipeline
  • Change Data Capture
  • Data transformation
  • Real-time sync
  • Monitoring
  • Data quality
  • Scheduling
  • Notifications

Only in Windmill

  • Script-to-workflow engine
  • Auto-generated UIs
  • Self-hosted deployment
  • Git sync
  • SSO support
  • Audit logs

What people use each for

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

Fivetran

  • Managed data pipelines from SaaS sources into a warehousenot Windmill
  • Keeping a warehouse in sync with production databases without writing connectorsnot Windmill

Windmill

  • Turning ad-hoc scripts into scheduled jobs and APIsnot Fivetran
  • Building internal tools from existing Python/TypeScript codenot Fivetran
  • Self-hosted automation for engineering teamsnot Fivetran
  • Orchestrating multi-language workflowsnot Fivetran

Where each one falls short

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

Fivetran

  • Billed on monthly active rows, so the bill tracks how much source data changes rather than how much is stored or queried
  • Each connection follows its own cost curve, so total spend is hard to predict before running a pipeline
  • The free plan allows 500,000 monthly active rows, 3,500 activation rows and 5,000 model runs
  • Transformations are metered separately, from $0.01 per model run above 5,000 down to $0.002 above 100,000
  • A schema change upstream that touches many rows raises the bill without any change on the customer's side

Windmill

  • Free self-hosted tier caps SSO users at 10 and workspaces at 3, requiring Enterprise for larger teams.
  • Compute unit and seat-based pricing (developer vs. operator seats, worker compute units) adds pricing complexity beyond a flat monthly fee.
  • Email triggers are capped at 100/day on the free tier, limiting event-driven use cases without upgrading.
  • Smaller ecosystem of pre-built integrations compared to more established automation tools like n8n.

Pricing, plan by plan

Fivetran

Free
  • FreeFree
    • Limited connectors
    • Basic support
  • Standard$300/month
    • 500+ connectors
    • Priority support
  • Enterprise$1000/month
    • Custom connectors
    • Dedicated support

Windmill

Free
  • Free / Open-sourceFree
    • Unlimited executions
    • Self-hosted deployment
    • Max 10 users with SSO
  • Enterprise$120/month
    • Unlimited executions and workspaces
    • Uncapped SSO seats
    • 24/7 priority support (3-hour response)

Which should you pick?

Choose Fivetran if

  • You need automated data pipeline.
  • You want to start without paying.
  • You work on Web, Cloud.
  • You also want change data capture.
Fivetran review

Choose Windmill if

  • You need script-to-workflow engine.
  • You want to start without paying.
  • You work on web, api, linux, windows, mac.
  • You also want auto-generated uis.
Windmill review

Questions people ask

Is Fivetran or Windmill better?
Neither clearly leads. Fivetran starts at Free and Windmill at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Fivetran or Windmill?
Fivetran starts at Free and Windmill at Free.
Does Fivetran or Windmill run on more platforms?
Fivetran runs on Web, Cloud. Windmill runs on web, api, linux, windows, mac.
Can I use Fivetran for free?
Both have a free tier, so you can try either at no cost before committing.
What is Fivetran best used for?
Fivetran is most often used for managed data pipelines from saas sources into a warehouse, keeping a warehouse in sync with production databases without writing connectors. Of those, managed data pipelines from saas sources into a warehouse and keeping a warehouse in sync with production databases without writing connectors are not what Windmill is typically brought in for.
What can Fivetran do that Windmill cannot?
Fivetran covers Automated data pipeline, Change Data Capture, Data transformation, Real-time sync. Windmill covers Script-to-workflow engine, Auto-generated UIs, Self-hosted deployment, Git sync.

Answered from the vendors’ own pages

Fivetran: What does Fivetran's free plan include?

The free plan includes 500,000 monthly active rows for connections, 3,500 monthly active rows for activations, and 5,000 monthly model runs for transformations.

Source
Windmill: What does Windmill cost?

Windmill's Free and Open-source edition is $0/month for self-hosted use with unlimited executions, while Enterprise starts at $120/month with unlimited workspaces and uncapped SSO seats, priced further by developer/operator seats and compute units.

Source
Fivetran: What is the trial period for Fivetran?

Fivetran offers a 14-day risk-free trial for new accounts. Each new connection also includes 14 days of free use, with trial extensions available by contacting support.

Source
Windmill: Is there a free plan and what are its limits?

The free self-hosted plan supports unlimited executions but caps SSO at 10 users, workspaces at 3, groups/permissions at 4, and email triggers at 100 per day.

Source
Fivetran: How much do I save by paying annually instead of monthly?

Annual contracts save up to 22.6% compared to monthly pricing, with tiered discounts starting at 5% and increasing based on annual list price.

Source
Windmill: How is usage metered on Windmill Enterprise?

Enterprise usage is metered through seats (developer seats at $20/month, operator seats at $10/month) and compute units, e.g. $100/month for 2 standard-worker compute units.

Source
Fivetran: Can I cancel or modify my Fivetran subscription anytime?

Plans can be upgraded at any time. Connections can be added or removed at any time, and you can block tables or schemas to reduce usage. Downgrade or cancellation policies are not specified on the pricing page.

Source
Windmill: What happens to a self-hosted Windmill deployment if the company shuts down?

The pricing page addresses this directly as an FAQ topic, noting that self-hosted applications built on the open-source edition can continue running independently of Windmill the company.

Source
Fivetran: What is the pricing for Fivetran transformations?

Transformations cost $0.01 per run for 5,001 to 30,000 monthly runs, with per-run costs declining as volume increases.

Source
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