Fly.io vs Pulumi
No clear leader: Fly.io (70.5) and Pulumi (69.4) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.
Features
The capabilities each product documents. These tools do not share a category taxonomy, so this aligns what each vendor states rather than a normalised feature set.
| Feature | Fly.io | Pulumi |
|---|---|---|
| Autoscaling | horizontal | - |
| Build system | dockerfile | - |
| Cli and api | ✓ | - |
| Container deploy | ✓ | - |
| Custom domains tls | ✓ | - |
| Drift detection | - | ✓ |
| Env secrets | ✓ | - |
| Gitops reconciliation | - | ✗ |
| Hosting | cloud | cloud |
| Import existing | - | ✓ |
| Language | - | TypeScript, Python, Go, C#, Java, YAML |
| Managed databases | ✓ | - |
| Managed saas offering | - | ✓ |
| Multicloud | - | ✓ |
| Open source engine | - | ✓ |
| Paradigm | - | general_language |
| Policy as code | - | ✓ |
| Provider ecosystem | - | ✓ |
| Regions | multi | - |
| Rollbacks | ✓ | - |
| Runtimes | Docker containers, Node.js, Deno, and other containerized runtimes | - |
| State management | - | vendor_managed |
What each one is
The product in its own terms, so the numbers below have context.
Fly.io
A cloud service offering hardware-isolated Linux virtual machines optimized for running AI agents and tools, featuring persistent storage, checkpoint and rollback capabilities, and API gateway-based credential management.
Pulumi
An infrastructure-as-code system that lets you define, deploy, and manage cloud resources across multiple providers using Go, Python, TypeScript, JavaScript, Java, .NET, and YAML, with declarative provisioning, policy enforcement, and integrated state management.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Fly.io
Usage-based pricing (pay-as-you-go) with optional prepayment for 40% discount. Serious Support from $29/month. HIPAA compliance at $99/month. Enterprise available via contact.
- Pay-as-You-GoPay only for what you use
- Micro VMs
- Persistent storage
- Private networking
- Unlimited users per organization
- Serious SupportStarting at $29/month
- Dedicated support team
- HIPAA Compliance$99/month
- HIPAA-compliant workloads
- BAAs
- SOC2 certification
- Machine ReservationSave 40% with upfront commitment
- 40% discount vs pay-as-you-go
- EnterpriseContact sales
- Custom resource configurations
- SLA requirements
- Emergency support
Pulumi
Metered pricing per resource-hour and deployment-minute. Contact sales for bulk discounts on annual commitments over $20,000.
- Team EditionContact sales
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
- GitHub
- Slack
Fly.io
- Sentry
- Supabase
- Upstash
- LiteFS
- Tigris
- OpenRouter
- HTTP API
Pulumi
- AWS
- Azure
- Google Cloud
- Terraform
- CloudFormation
- Azure Resource Manager
- Kubernetes
- Backstage
- npm
- PyPI
- NuGet
- Helm
- AWS Secrets Manager
- Azure Key Vault
- Vault
- 1Password
- Cloudflare
- MongoDB
- Snowflake
- GitHub Actions
- GitLab Pipelines
- Jenkins
- CircleCI
- Atlassian Bitbucket
- +2 more
Fly.io or Pulumi: which one depends on you
A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.
Free to run, no account needed to start. How the evaluation works
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.