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Windmill

Windmill Pricing Plans & Tiers

Open-source developer platform for scripts, flows, and UIs

Dev Toolsopen-sourceFrom $0/mo

Pricing last verified: March 16, 2026

Data compiled by Arthur Jacquemin, Founder & Lead Analyst
Updated March 16, 2026
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Pricing Analysis

Windmill's three-tier structure targets different deployment models: free tier (unlimited executions, 10 users, self-hosted only) incentivizes on-premise adoption; Pro ($170/month, 1 developer, 3 compute units, 50 users) serves single-team SaaS; Enterprise ($120/seat/month, audit logs, SAML, 24/7 SLA) targets regulated enterprises.

The free tier's 'unlimited executions' promise is only achievable via self-hosting—cloud customers face compute unit constraints. Windmill's unit economics favor on-premise deployments, a deliberate architectural choice to compete against Temporal and Inngest on cost.

Per-seat Enterprise pricing ($120/seat/month for audit + SAML) is 5x the Pro flat fee; positioning suggests Windmill targets development teams with Pro and operations teams with Enterprise, creating organizational friction.

Strengths

  • Unlimited executions on free tier (self-hosted) eliminate per-run overages; organizations comfortable with infrastructure management avoid expensive usage-based billing entirely.
  • Open-source foundation (Apache 2.0) permits air-gapped deployment and custom extensions without licensing negotiation, critical for highly regulated environments.
  • Integrated script editor + UI builder + flow orchestration reduces tool fragmentation; developers avoid context-switching between Temporal (workflows), Zapier (integrations), and internal UIs.

Considerations

  • Free tier's 10-user hard limit forces rapid paid upgrades; competitors Temporal and Inngest offer usage-based free tiers with no user restrictions.
  • Pro tier's 3-compute-unit allowance is opaque—organizations cannot estimate execution capacity without load testing, creating pricing uncertainty.
  • Per-seat Enterprise pricing ($120/seat/month) assumes audit/SAML are organization-wide concerns, not team-level; organizations with 1 audit-heavy team overpay.
Ideal For

Organizations committing to self-hosted deployment for unlimited executions or mid-market teams (5-50 developers) requiring integrated script + flow + UI platform.

Pricing Takeaway

Free self-hosted tier and flat Pro fee ($170/month) undercut usage-based competitors, but opaque compute units and per-seat Enterprise pricing create hidden cost escalation paths.

Best choice: Windmill

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Pricing Plans (2)

developer

$1/mo
Start with developer

operator

$0/mo
Start with operator

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Frequently Asked Questions

How much does Windmill cost?
As of March 2026, Windmill has a free tier and 1 paid plan starting from $1/mo. Pricing follows a open-source model.
Does Windmill offer a free plan?
As of March 2026, yes, Windmill offers a free plan. The free tier is a great way to test the platform before upgrading to a paid plan.
What pricing model does Windmill use?
As of March 2026, Windmill uses a open-source pricing model. This means you pay based on the tier that matches your team's requirements, which helps you scale costs as your team grows.

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Sources

  1. Windmill Official Pricing— Vendor pricing page

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