Pick Fly.io if
app teams who will run a first always-on shared-cpu-1x 256 MB Machine at $2.19 / month (iad) plus a 1 GB volume at $0.15, then add a second volume in the same region because Fly does not replicate disks for you.
Read the Fly.io pageFly.io vs Pulumi
Our take
Pick Fly.io if app teams who will run a first always-on shared-cpu-1x 256 MB Machine at $2.19 / month (iad) plus a 1 GB volume at $0.15, then add a second volume in the same region because Fly does not replicate disks for you. Pick Pulumi if individual operators who will stay on Free at $0 (1 user) while they open a first Resources list, then Essentials at $40/month when the team needs unlimited users / Resource
Best for
Fly.io A Machine plus persistent disk you bill by the second
Pulumi An IaC table you start at a public $
Free plan
Fly.io $0 · standard $29 / month. Premium $199 / month. Enterprise from $2,500 / month. HIPAA package $99 / month
Pulumi $0 · no credit card. 1 user. IaC state management. Pulumi Deployments. Basic Pulumi ESC. Unlimited projects, stacks, environments, updates, and history. Up to 500 workflow minutes. Does not include Neo, Resource Search, or Property Search. Does not cap managed resources
Lowest paid
Fly.io Network $0.02
Pulumi Enterprise $2/mo
Next step up
Fly.io Snapshots $0.08
Pulumi Essentials $40/mo
Runs where
Fly.io Hosted
Pulumi Hosted
Watch out
Fly.io There is no $0 always-on Machine
Pulumi Free is one user
Last checked
Fly.io 2026-10-23 · fly.io/pricing
Pulumi 2026-10-23 · pulumi.com/pricing
Which one, then?
Pick Pulumi if
individual operators who will stay on Free at $0 (1 user) while they open a first Resources list, then Essentials at $40/month when the team needs unlimited users / Resource Search — not Pro $400 unless they need SAML / preventative policy.
Read the Pulumi page