Fly.io vs Koyeb vs Zeabur (2026)
Deploy apps globally with low latency. These three platforms run your containers close to users worldwide.
Quick Comparison
| Feature | Fly.io | Koyeb | Zeabur |
|---|---|---|---|
| Regions | 35+ | 10+ | 15+ |
| Free Tier | 3 shared VMs | Nano instance | 1 service |
| Deployment | Docker/Buildpacks | Docker/Git | Docker/Git |
| Managed DB | Postgres, Redis | Postgres | MySQL, Postgres |
| GPU Support | ✅ | ✅ | ❌ |
| CLI | ✅ flyctl | ✅ koyeb | ✅ zeabur |
| WebSockets | ✅ | ✅ | ✅ |
| Pricing | Pay-per-use | $5.59/mo starter | Pay-per-use |
Fly.io — The Edge Pioneer
Best for: Global apps that need low latency and full control.
fly launch # Detect + configure
fly deploy # Build + deploy globally
fly scale count 3 --region iad,cdg,nrt # 3 regions
Pros: Most regions (35+), GPU support, Postgres/Redis managed, Machines API for dynamic scaling, excellent CLI. Cons: Steeper learning curve, pricing can be unpredictable, occasional infrastructure issues.
Koyeb — The Simple Global Platform
Best for: Teams that want simple global deployment without Fly.io's complexity.
Pros: Simple Git-based deployments, auto-scaling, good free tier, GPU instances available. Cons: Fewer regions than Fly.io, smaller community, less mature.
Zeabur — The Developer-Friendly Option
Best for: Quick deployments with minimal configuration.
Pros: One-click deployments, template marketplace, simple UI, good for prototypes. Cons: Fewer regions, newer platform, limited advanced features.
Decision Guide
| Need | Choose |
|---|---|
| Most global regions | Fly.io |
| Simplest deployment | Zeabur |
| GPU workloads | Fly.io or Koyeb |
| WebSocket apps | Fly.io |
| Managed Postgres | Fly.io |
| Quick prototypes | Zeabur |
FAQ
How do these compare to Railway?
Railway is simpler but single-region. Fly.io/Koyeb/Zeabur deploy globally. Use Railway for US-centric apps, these for global low-latency.
Is Fly.io production-ready?
Yes. Many companies run production on Fly.io. The platform has matured significantly since 2022.
Bottom Line
Fly.io for global deployment with maximum control. Koyeb for simpler global hosting. Zeabur for quick deployments and prototypes. Fly.io is the default for apps that need low-latency global access.