Deno Deploy vs Fly Machines
A detailed comparison to help you choose between Deno Deploy and Fly Machines.
Quick Verdict
4.6/5
Deno Deploy
70 reviews
4.8/5
Fly Machines
336 reviews
Fly Machines is rated higher (4.8 vs 4.6). Deno Deploy runs JavaScript and TypeScript serverless functions at the edge using the Deno runtime. Zero cold starts, V8 isolates, and globally distributed. Free for low-traffic apps. Fly Machines are Fly.io's fast-starting virtual machines for containerised workloads. Start in 300ms, stop when idle to save costs. Used for auto-scaling web services and ephemeral compute.
Deno Deploy Deno JavaScript runtime at the edge globally | Fly Machines Fast-starting VMs for containerised apps at the edge | |
|---|---|---|
| Overview | ||
| Rating | 4.6 (70 reviews) | 4.8 (336 reviews)✓ |
| Pricing model | freemium | freemium |
| Starting price | Free tier available | Free tier available |
| Best for | TypeScript developers who want edge computing with Deno's security model and zero cold starts | Developers who want fast-starting containers that scale to zero between requests at the edge |
| Tags | ||
| Tags | free tieropen sourceeu datacenterus datacenterapac datacenterapi access | free tiermanaged optioneu datacenterus datacenterapac datacenter |
| Visit Deno Deploy → | Visit Fly Machines → | |
Deno Deploy
Pros
- + Zero cold starts
- + Deno security model — no file/network access by default
- + TypeScript native
Cons
- - Deno runtime — not Node.js compatible
- - Newer ecosystem
Fly Machines
Pros
- + 300ms start time
- + Stop when idle — no idle charges
- + Edge locations globally
Cons
- - Fly.io dependency
- - CLI-focused — less visual management
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