Fly.io

Product & DevFreemium

Cloud Infrastructure

Deploy apps and run code on hardware-virtualized containers instantly.

Free tierMedium India relevanceVisit Fly.io →

About

Fly.io is a modern compute platform that lets developers deploy applications and run untrusted code in isolated sandboxes with hardware virtualization. It's built for developers and teams who need fast, scalable infrastructure without complexity. Key features include instant VM launches, global NVMe storage, private networking, and pay-per-second billing. The platform is ideal for running AI-generated code, scaling agents to millions of users, and deploying distributed systems.

Problem it solves

Provides fast, scalable compute infrastructure without the complexity of traditional cloud platforms.

Best for

Developers, AI engineers, and teams running distributed systems, scaling agents, or executing untrusted code safely.

Key features

Hardware-isolated sandboxes for AI-generated code

Instant VM launches (under 1 second)

Pay-per-second CPU and memory billing

Global NVMe storage and object storage

Built-in private networking with encryption

Support for distributed databases and RPC systems

Alternatives