Fly.io logo Microsoft Azure logo

Fly.io vs Azure

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What's good about...

Fly.io logo Fly.io

  • Excellent tooling and developer experience
  • Fast deployments, scale to zero, little config needed
  • Wide range of instance configurations at competitive prices

Microsoft Azure logo Azure

  • Integrations with the rest of Microsoft's products
  • Extensive range of managed services, from serverless to databases to queues to AI
  • Generous free tier, and compute savings plans available
  • 60+ datacenter locations around the world

Price comparison

How do Fly.io's prices compare against Azure?

VM Small

Closest config to 1 vCPU, 1 GB RAM.
Fly.io Fly.io
$10.70 / mo 1 vCPU, 2 GB RAM (Shared-CPU-1x)
Microsoft Azure Azure
$6.13 / mo 2 vCPU, 1 GB RAM (B2pts v2)

VM Medium

Closest config to 4 vCPU, 8 GB RAM.
Fly.io Fly.io
$42.79 / mo 4 vCPU, 8 GB RAM (Shared-CPU-4x)
Microsoft Azure Azure
$86.87 / mo 4 vCPU, 8 GB RAM (B4pls v2)

VM Large

Closest config to 8 vCPU, 16 GB RAM (dedicated preferred).
Fly.io Fly.io
$328.04 / mo 8 CPU, 32 GB RAM (Performance-8x)
Microsoft Azure Azure
$173.74 / mo 8 vCPU, 16 GB RAM (B8pls v2)

Block Storage

Closest config to 100+ GB SSD, 3,000+ IOPS, 100+ MB/s throughput, no snapshots.
Fly.io Fly.io
$15.00 / mo 100 GB
Microsoft Azure Azure
$8.10 / mo 100 GB

Object Storage

Closest config to 1 TB stored, 100 GB in / 250 GB out, 1M GET, 100k PUT/POST.
Fly.io Fly.io
$21.00 / mo 1 TB
Microsoft Azure Azure
$21.50 / mo 1 TB

Load Balancer

Closest config to TCP, 1 node (1 vCPU, 1 GB RAM), 200+ Mbps, 1,000 conn/sec, 1 TB processed/mo.
Fly.io Fly.io
Included in plan
Microsoft Azure Azure
$23.25 / mo Standard

Managed PostgreSQL

Closest config to 1 node, 2 vCPU, 4 GB RAM, 50+ GB storage, 10 GB read / 5 GB write per month.
Fly.io Fly.io
$33.90 / mo 2 vCPU, 4 GB RAM, 50 GB storage
Microsoft Azure Azure
$131.89 / mo 2 vCPU, 4 GiB RAM, 50 GB storage (Gen 5)

Managed Redis®*

Closest config to 1 node, 1 vCPU, 1 GB RAM, 10 req/s, 1 KB avg request size.
Fly.io Fly.io
--
Microsoft Azure Azure
$39.60 / mo 1 vCPU, 1 GiB RAM (Basic C1)

Serverless 25M Executions

Closest config to 25M invocations, 150ms execution time, 512 MB memory.
Fly.io Fly.io
--
Microsoft Azure Azure
$29.80 / mo 25M invocations, 512 MB RAM, 150 ms duration

Free egress allowance

Fly.io Fly.io
100 GB / mo
Microsoft Azure Azure
100 GB / mo

1 TB of egress beyond allowance

Fly.io Fly.io
$20.00 $0.02 / GB (Public network North America)
Microsoft Azure Azure
$87.00 $0.087 / GB (Premium network North America)

GPU Fleet Overview

Starting Price

Fly.io Fly.io
$1.25/hr
Microsoft Azure Azure
$0.09/hr

Billing Options

Fly.io Fly.io
On-Demand
Microsoft Azure Azure
On-DemandSpotReserved (36mo)Reserved (12mo)

Available Models

Fly.io offers 3 GPU models, while Azure offers 10.

Fly.io Fly.io
A100(2) L40S(1) A10(1)
Microsoft Azure Azure
H100(14) A100(20) H200(2) RTX Pro 6000(40) V100(4) A10(24) T4(16) GB200(2) MI300X(2) M60(12)

Heads up: We do our best to keep these specs & prices accurate. However, cloud costs may fluctuate based on region, usage, and other factors not listed here. These are estimates based on common setups and are for informational purposes only. Always verify current rates & exact specs with the provider before provisioning.

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GPUhub
Our sponsor
Fully Dedicated GPU Servers
No Virtualization. No Shared GPUs
Stable Performance for AI Training & Inference
Full Control for Production Workloads
Learn more

Which services do they offer

Here are some managed services that Fly.io and Azure offer:

Service Fly.io Azure
Analytics
App Testing
Block Storage
Content Delivery Network (CDN)
Container Registry
Crash Reporting
GPU-powered Servers
Load Balancer
Managed Containers
Managed Kubernetes
Managed MySQL
Managed PostgreSQL
Managed Redis®*
NoSQL Databases
Object Storage
Performance Monitoring
Push Notifications
Realtime Databases
Remote Config
Serverless Cron Jobs
Serverless Functions
Static Sites
User Authentication
Vector Databases
Virtual Private Server (VPS)

Company details

Website
Fly.io Fly.io
fly.io
Microsoft Azure Azure
azure.microsoft.com
Headquarters
Fly.io Fly.io
United States of America
Microsoft Azure Azure
United States of America
Founded
Fly.io Fly.io
2017
Microsoft Azure Azure
2008
Data Center Locations
Fly.io Fly.io
35
Microsoft Azure Azure
66
Example Customers
Fly.io Fly.io
Cars.com, Fanatics, Tailscale, Supabase, Glitch
Microsoft Azure Azure
General Motors, NHS, Fujitsu, NBA

Alternatives to consider

Compare Fly.io and Azure against other cloud providers.

View all comparisons

Our data for Fly.io was last updated on Feb. 12, 2026, and for Azure on June 23, 2026.

GPUhub Logo
GPUhub
Our sponsor
Fully Dedicated GPU Servers
No Virtualization. No Shared GPUs
Stable Performance for AI Training & Inference
Full Control for Production Workloads
Learn more