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Automation Integration · head to head

HighLevel vs Windmill

HighLevel logo

HighLevel

Automation Integration

The all-in-one sales and marketing platform for agencies

From
$97/month
Rated
-
Windmill logo

Windmill

Automation Integration

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

From
Free
Rated
-

The short version

  • Only Windmill has a free tier, so it costs nothing to try first.
  • Each has a real cost: HighLevel enterprise pricing requires contacting sales with no published rates; Windmill free self-hosted tier caps SSO users at 10 and workspaces at 3, requiring Enterprise for larger teams.
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which HighLevel and Windmill actually diverge.

Attributes where HighLevel and Windmill differ
AttributeHighLevelWindmill
Starting price$97/monthFree
Pricing modelsubscriptionopen-source
Free tierNoYes
PlatformsWebweb, api, linux, windows, mac

Identical on both: 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 HighLevel

Nothing recorded that Windmill does not also cover.

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.

HighLevel

  • Freelancers and solo marketers using Starter plannot Windmill
  • Growing agencies managing multiple clients with Unlimited plannot Windmill
  • Agencies offering SaaS solutions to their own clients with Agency Pronot Windmill

Windmill

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

Where each one falls short

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

HighLevel

  • Enterprise pricing requires contacting sales with no published rates
  • Add-ons like AI Employee, White Label Mobile App, and HIPAA Compliance range from $49-$497/month per sub-account or account-wide

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

HighLevel

$97/month
  • Starter$97/month
    • 3 Sub-Accounts
    • Unlimited Contacts
    • Unlimited Users
  • Unlimited$297/month
    • Unlimited Sub-Accounts
    • Unlimited Contacts
    • Unlimited Users
  • Agency Pro$497/month
    • Everything in Unlimited plus
    • SaaS Mode
    • Automated Sub-Account Creation
  • Enterprise$null/custom
    • Dedicated account management
    • Custom development
    • Dedicated Slack channel

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 HighLevel if

Nothing in the data separates HighLevel from Windmill on the points above - pick on price and on how each one feels to use.

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.

Questions people ask

Is HighLevel or Windmill better?
Neither clearly leads. HighLevel starts at $97/month and Windmill at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, HighLevel or Windmill?
Windmill has a free tier; the other does not. Paid plans start at $97/month for HighLevel and Free for Windmill.
Does HighLevel or Windmill run on more platforms?
HighLevel runs on Web. Windmill runs on web, api, linux, windows, mac.
Can I use Windmill for free?
Yes. Windmill has a free tier, so you can try it without paying. HighLevel starts at $97/month.
What is HighLevel best used for?
HighLevel is most often used for freelancers and solo marketers using starter plan, growing agencies managing multiple clients with unlimited plan, agencies offering saas solutions to their own clients with agency pro. Of those, freelancers and solo marketers using starter plan and growing agencies managing multiple clients with unlimited plan are not what Windmill is typically brought in for.
What can HighLevel do that Windmill cannot?
Windmill covers Script-to-workflow engine, Auto-generated UIs, Self-hosted deployment, Git sync.

Answered from the vendors’ own pages

HighLevel: How much does GoHighLevel Starter cost?

GoHighLevel Starter costs $97/month (or $970/year when billed annually) and includes 3 Sub-Accounts, unlimited contacts, unlimited users, and all core features with 24/7 support.

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
HighLevel: What is the difference between Unlimited and Agency Pro plans?

Unlimited plan ($297/month) offers unlimited sub-accounts and basic API access. Agency Pro ($497/month) adds SaaS Mode, automated sub-account creation, rebill phone/email markup, and advanced API access for reselling.

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
HighLevel: Does GoHighLevel offer a free trial?

Yes, GoHighLevel includes a 14-day free trial on all plans with no obligation. You can cancel anytime.

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
HighLevel: What add-ons are available for GoHighLevel?

GoHighLevel offers multiple add-ons including AI Employee ($50-$97/month), Branded Client Portal ($49/month), Dedicated Email IPs ($59/month per IP), Premium Prospecting Tool ($29/month), SEO via Search Atlas ($79/month), WhatsApp Integration ($10/month), White Label Mobile App ($497/month account-wide), and HIPAA Compliance ($297/month account-wide).

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
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