Fly.io vs Windmill: Pricing Comparison 2026
Side-by-side pricing comparison of Fly.io and Windmill. See all plans, features, and costs at a glance.
Bottom line: Fly.io starts at Custom pricing and Windmill starts at $1/mo. Compare all 7 pricing tiers side by side.
Last updated: August 24, 2026
Windmill - Windmill offers a free plan, offers 4 tiers vs 3.
Fly.io vs Windmill: Quick Pricing Facts
| Feature | Fly.io | Windmill |
|---|---|---|
| Starting Price | Custom pricing | $1/mo |
| Number of Plans | 3 | 4 |
| Free Tier | No | Yes |
| Pricing Model | usage-based | open-source |
| Annual Discount | N/A | N/A |
Fly.io and Windmill are both priced at Custom pricing, making them equally accessible Dev Tools. Together they offer 7 pricing plans with 0 features compared, so the best choice comes down to which features match your needs.
Windmill stands out with a free plan for getting started. Fly.io uses usage-based pricing while Windmill uses open-source pricing, which may affect your total cost at scale.
Review the detailed tier-by-tier comparison above to see exactly which features are included at each price point and find the best fit for your Dev Tools needs.
| Pricing Plans |  Fly.io Try free |  Windmill Try free |
|---|---|---|
| Tier 1 | Enterprise-Ready Custom pricing | developer $1/monthCheapest |
| Tier 2 | Compliance Made Easy Custom pricing | operator or ext JWT token $0/monthCheapest |
| Tier 3 | Are on the House Custom pricing | Native subworkers $8/monthCheapest |
| Tier 4 | - | Agent workers $0/monthCheapest |
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What Reviewers Say
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Frequently Asked Questions: Fly.io vs Windmill
How many pricing plans does Fly.io have vs Windmill?
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Does Fly.io or Windmill offer custom enterprise pricing?
What pricing models do Fly.io and Windmill use?
How do Fly.io and Windmill compare for Dev Tools?
Sources
- Fly.io Official Pricing- Vendor pricing page
- Windmill Official Pricing- Vendor pricing page
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