Cloudflare Workers vs Fly.io
Compare Service Types, Runtimes, Execution Limits, Compliance, Regions and Alternatives
Features
Cloudflare Workers
Service Types
Functions
Containers
Database
PaaS
Edge Compute
API as a Service
Fly.io
Service Types
Functions
Containers
Database
PaaS
Edge Compute
API as a Service
Cloudflare Workers
Supported Containers
Docker
Docker Private Registry
Kubernetes
Managed Kubernetes
Fly.io
Supported Containers
Docker
Docker Private Registry
Kubernetes
Managed Kubernetes
Cloudflare Workers
Supported Runtimes
.NET
C
C++
Crystal
Deno
Elixir
Go
Java
JavaScript
PHP
Python
Ruby
Rust
TypeScript
Wasm
Fly.io
Supported Runtimes
.NET
C
C++
Crystal
Deno
Elixir
Go
Java
JavaScript
PHP
Python
Ruby
Rust
TypeScript
Wasm
Cloudflare Workers
Execution Limits and Resource Quotas
Min. Memory
128 MB
Max. Memory
128 MB
Default Timeout
10 ms
Max. Timeout
30 s
Request Payload
N/A
Response Payload
N/A
Fly.io
Execution Limits and Resource Quotas
Min. Memory
256 MB
Max. Memory
32 GB
Default Timeout
60 s
Max. Timeout
5 min
Request Payload
200 KB
Response Payload
∞
Cloudflare Workers
Compliance
BAA
DPA
GDPR
HIPAA
PHIPA
SOC2
Fly.io
Compliance
BAA
DPA
GDPR
HIPAA
PHIPA
SOC2
Cloudflare Workers
Regional Availability
Deployment Scope
Global
Regions
N/A
Points of Presence
200
Fly.io
Regional Availability
Deployment Scope
Regional + Global
Regions
NA, LATAM, EU, MEA, APAC
Points of Presence
16, 5, 8, 1, 5
Alternatives are matched on service types, programming languages and container support
