vioscaleAI
Comparison

Fly.io vs Northflank

On the evidence we track, Fly.io leads this comparison with a composite score of 71/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Fly.io full profile →Northflank full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★Fly.io71
Northflank63
Score
vioscaleAI score
Fly.io71 / 100medium · 63%
Northflank63 / 100medium · 73%
Pricing
Free tier
Fly.io✓
Northflank✓
Model
Fly.iocommercial
Northflankcommercial
Price level
Fly.iounknown
Northflanklow
Starting price
Fly.io–
Northflank$0.00
Transparent
Fly.io✗
Northflank✓
Integrations
Count
Fly.io4
Northflank23
Security
Certifications
Fly.io–
NorthflankSOC 2 Type II
Hipaa
Fly.io✓
Northflank✓
Iso27001
Fly.io✓
Northflank–
Soc2
Fly.io✓
Northflank✓
Trust center
Reliability
Sla pct
Fly.io99.9
Northflank–
Status page
Fly.io✓
Northflank✓
Market
Availability
Content
Faq
Fly.io7 items
Northflank7 items

Capabilities

Feature-by-feature on the axes that matter for paas & hosting. “-” means undocumented, not absent.

Deploy
Git-push auto-deploy
Fly.io-
Northflank✓
Deploy arbitrary container image
Fly.io✓
Northflank✓
Per-PR preview environments
Fly.io-
Northflank✓
Build
Build system
Fly.ioDockerfile
NorthflankBuildpacks
Runtime / language breadth
Fly.ioDocker containers, Node.js, Deno, and other containerized runtimes
NorthflankPolyglot; any language or framework
Scale
Autoscaling
Fly.ioHorizontal
NorthflankHorizontal
Deployment
Geographic reach
Fly.ioMulti-region
NorthflankMulti-region
Hosting
Fly.ioCloud only
NorthflankCloud + self-hosted
Data
Bundled managed data services
Fly.io✓
Northflank✓
Delivery
Built-in global CDN / edge
Fly.io-
Northflank-
Custom domains + automatic TLS
Fly.io✓
Northflank✓
Ops
Env vars & secrets management
Fly.io✓
Northflank✓
Instant rollbacks
Fly.io✓
Northflank✓
Extensibility
CLI + deploy API
Fly.io✓
Northflank✓

What each one is

The product in its own terms, so the numbers below have context.

Fly.io

Leader

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.

Independently observed

Northflank

Infrastructure deployment system that runs code in isolated sandbox environments with automatic preview environments, access controls, secrets management, and support for both managed cloud and customer-owned infrastructure.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Fly.io

Leader
from $29/moUsage-based

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
as of verify ↗

Northflank

from $0.00/GB-hrUsage-based

From $0.01667/vCPU-hr (PaaS, billed per second). BYOC available with management fees from $0.01389/vCPU-hr.

  • PaaS$0.01667/vCPU-hr, billed per second
  • BYOCCloud provider charges plus $0.01389/vCPU-hr and $0.00139/GB-hr management fee
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Fly.io✗
Northflank✓
CLI
Fly.io✓
Northflank✓
Deployment
Cloud / SaaS
Fly.io✓
Northflank✓
Self-hosted
Fly.io✗
Northflank✓
On-premise
Fly.io✗
Northflank✓
Hybrid
Fly.io✗
Northflank✓
Air-gapped
Fly.io✗
Northflank✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (1)
  • GitHub

Fly.io

Leader
9 total - 8 not shared
  • Sentry
  • Supabase
  • Upstash
  • LiteFS
  • Tigris
  • OpenRouter
  • Slack
  • HTTP API
Independently observed

Northflank

23 total - 22 not shared
  • GitLab
  • Bitbucket
  • AWS
  • Google Cloud Platform
  • Azure
  • Oracle Cloud
  • EKS
  • GKE
  • AKS
  • Rancher
  • OpenShift
  • Tanzu
  • PostgreSQL
  • MySQL
  • MongoDB
  • Redis
  • MinIO
  • Amazon S3
  • pgvector
  • Llama
  • Deepseek
  • MCP
Independently observed
Still deciding?

Fly.io or Northflank: 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.