# Fly.io vs Northflank

**Leader by Vioscale score:** Fly.io

| Attribute | Fly.io | Northflank |
|---|---|---|
| **Vioscale score** | 79 (63% (medium)) | 62.7 (72% (medium)) |
| deployment.options | `{"cloud":true}` | `{"cloud":true,"hybrid":true,"on_prem":true,"self_hosted":true}` |
| description.long | Fly.io Sprites are dedicated virtual machines that provide hardware-isolated Linux environments for AI agents, tools, and evaluations. They feature persistent block storage that survives sleep cycles, automatic checkpointing, and support for executing untrusted code with configurable network policies. | Manages containerized application deployment, scaling, and execution with support for databases, GPU workloads, isolated execution sandboxes, and multi-region deployment across cloud or self-hosted infrastructure. |
| features.capabilities | `{"hosting":"cloud","regions":"multi","runtimes":"Docker containers, Node.js, Deno, and other containerized runtimes","cli_and_api":true,"build_system":"dockerfile","container_deploy":true,"managed_databases":true,"custom_domains_tls":true}` | `{"hosting":"both","regions":"multi","runtimes":"Polyglot; any language or framework","rollbacks":true,"autoscaling":"horizontal","cli_and_api":true,"env_secrets":true,"git_push_deploy":true,"preview_deploys":true,"container_deploy":true,"managed_databases":true,"custom_domains_tls":true}` |
| integrations.count | 5 | 23 |
| integrations.list | `[{"name":"Sentry"},{"name":"Supabase"},{"name":"Upstash"},{"name":"LiteFS"},{"name":"Tigris"}]` | `[{"name":"GitHub"},{"name":"GitLab"},{"name":"Bitbucket"},{"name":"AWS"},{"name":"Google Cloud Platform"},{"name":"Azure"},{"name":"Oracle Cloud"},{"name":"EKS"},{"name":"GKE"},{"name":"AKS"},{"name":"Rancher"},{"name":"OpenShift"},{"name":"Tanzu"},{"name":"PostgreSQL"},{"name":"MySQL"},{"name":"MongoDB"},{"name":"Redis"},{"name":"MinIO"},{"name":"Amazon S3"},{"name":"pgvector"},{"name":"Llama"},{"name":"Deepseek"},{"name":"MCP"}]` |
| market.availability | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":["US","EU"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true,"linux":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"usage","plans":[{"free":false,"name":"Pay-as-You-Go","summary":"Pay only for what you use","features":["Micro VMs","Persistent storage","Private networking","Unlimited users per organization"],"description":"Usage-based pricing for Micro VMs and persistent storage","contactSales":false},{"free":false,"name":"Serious Support","summary":"Starting at $29/month","features":["Dedicated support team"],"commitment":"monthly","components":[{"kind":"fixed","amount":29,"period":"month","currency":"USD"}],"description":"Access to dedicated team of engineers","contactSales":false},{"free":false,"name":"HIPAA Compliance","summary":"$99/month","features":["HIPAA-compliant workloads","BAAs","SOC2 certification"],"commitment":"monthly","components":[{"kind":"fixed","amount":99,"period":"month","currency":"USD"}],"description":"Compliance package for HIPAA-regulated workloads","contactSales":false},{"free":false,"name":"Machine Reservation","summary":"Save 40% with upfront commitment","features":["40% discount vs pay-as-you-go"],"commitment":"annual","description":"Prepay for infrastructure and receive 40% discount","contactSales":false},{"free":false,"name":"Enterprise","summary":"Contact sales for pricing","features":["Custom resource configurations","SLA requirements","Emergency support"],"description":"Custom solutions for larger workloads with SLA requirements","contactSales":true}],"summary":"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.","currency":"USD","sourceUrl":"https://fly.io","retrievedAt":"2026-08-01T15:17:23.873Z","startingPrice":{"amount":29,"period":"month","currency":"USD"},"billingPeriods":["month"]}` | `{"type":"usage","plans":[{"free":false,"name":"Usage-based","features":["Per-second CPU billing","Per-hour memory billing","Storage provisioning","GPU support","Sandbox isolation","Horizontal autoscaling"],"components":[{"per":{"qty":1,"unit":"vCPU-hour"},"kind":"metered","amount":0.01667,"currency":"USD"},{"per":{"qty":1,"unit":"GB-hour"},"kind":"metered","amount":0.00833,"currency":"USD"},{"per":{"qty":1,"unit":"GB-month"},"kind":"metered","amount":0.15,"currency":"USD"}],"description":"Metered consumption pricing","contactSales":false}],"summary":"From $0.01667/vCPU-hour (per second billing). Storage from $0.15/GB-month.","currency":"USD","sourceUrl":"https://northflank.com/blog/ai-sandbox-pricing","retrievedAt":"2026-08-14T09:22:11.788Z","startingPrice":{"amount":0.00833,"period":"month","currency":"USD"},"billingPeriods":["month"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | commercial |
| pricing.price_level | unknown | low |
| pricing.transparent | yes | yes |
| reliability.sla_pct | 99.9 | - |
| reliability.status_page | yes | yes |
| security.hipaa | yes | yes |
| security.iso27001 | yes | - |
| security.soc2 | yes | yes |

## Capabilities (PaaS & Hosting)

| Capability | Fly.io | Northflank |
|---|:--:|:--:|
| **Deploy** |  |  |
| Git-push auto-deploy | - | ✓ |
| Deploy arbitrary container image | ✓ | ✓ |
| Per-PR preview environments | - | ✓ |
| **Build** |  |  |
| Build system | Dockerfile | - |
| Runtime / language breadth | Docker containers, Node.js, Deno, and other containerized runtimes | Polyglot; any language or framework |
| **Scale** |  |  |
| Autoscaling | - | Horizontal |
| **Deployment** |  |  |
| Geographic reach | Multi-region | Multi-region |
| Hosting | Cloud only | Cloud + self-hosted |
| **Data** |  |  |
| Bundled managed data services | ✓ | ✓ |
| **Delivery** |  |  |
| Built-in global CDN / edge | - | - |
| Custom domains + automatic TLS | ✓ | ✓ |
| **Ops** |  |  |
| Env vars & secrets management | - | ✓ |
| Instant rollbacks | - | ✓ |
| **Extensibility** |  |  |
| CLI + deploy API | ✓ | ✓ |

*Source: Vioscale. Generated 2026-09-01T16:39:42.879Z. "-" = undocumented, not absent.*