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Cloud · head to head

Caddy vs Northflank

Caddy logo

Caddy

Cloud

Web server with automatic HTTPS by default

From
Free
Rated
-
Full reviewWebsite
Northflank logo

Northflank

Cloud

The runtime platform for AI-native companies

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Caddy smaller ecosystem than Nginx, so third-party guides and modules are fewer; Northflank pricing complexity with multiple rate dimensions
  • They diverge on capability: Caddy covers Automatic HTTPS, Northflank covers Application deployments.
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Caddy and Northflank actually diverge.

Attributes where Caddy and Northflank differ
AttributeCaddyNorthflank
Pricing modelOpen source, no licence feeUnknown
PlatformsLinux, macOS, Windows, DockerAWS, GCP, Azure, On-premises

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Cloud).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Caddy

  • Automatic HTTPS
  • Caddyfile
  • Reverse proxy
  • Single binary

Only in Northflank

  • Application deployments
  • GPU support
  • Preview environments
  • Database management
  • Multi-cloud support
  • GitOps integration

What people use each for

The jobs each tool is most often brought in to do.

Caddy

  • Sites and services where expired certificates have caused outages beforenot Northflank
  • Small deployments where Nginx configuration is more effort than the problem warrantsnot Northflank
  • Reverse proxying internal services with TLS without a certificate workflownot Northflank

Northflank

  • Deploying AI inference models with GPU accelerationnot Caddy
  • Running training workloads on distributed GPUsnot Caddy
  • Building microservices with multi-cloud reliabilitynot Caddy

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Caddy

  • Smaller ecosystem than Nginx, so third-party guides and modules are fewer
  • Adding plugins means rebuilding the binary rather than loading a module
  • Under very high throughput Nginx generally still benchmarks ahead
  • Automatic certificate issuance needs outbound internet access, which complicates air-gapped deployments

Northflank

  • Pricing complexity with multiple rate dimensions
  • GPU costs can be expensive for large-scale deployments
  • Learning curve for Kubernetes concepts

Pricing, plan by plan

Caddy

Free
  • CaddyFree
    • Full functionality
    • Commercial use permitted
    • Community support

Northflank

Free
  • Sandbox (Free)Free
    • Always-on compute with no sleeping
    • 2 free services
    • 1 free database
  • Pay-as-you-go$undefined/usage
    • CPU: $0.01667 per vCPU per hour
    • Memory: $0.00833 per GB per hour
    • Network egress: $0.06 per GB
  • Enterprise$undefined/custom
    • Custom pricing with volume discounts
    • Invoice-based billing
    • Annual commitments

Which should you pick?

Choose Caddy if

  • You need automatic https.
  • You want to start without paying.
  • You work on Linux, macOS, Windows, Docker.
  • You also want caddyfile.
Caddy review

Choose Northflank if

  • You need application deployments.
  • You want to start without paying.
  • You work on AWS, GCP, Azure, On-premises.
  • You also want gpu support.
Northflank review

Questions people ask

Is Caddy or Northflank better?
Neither clearly leads. Caddy starts at Free and Northflank at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Caddy or Northflank?
Caddy starts at Free and Northflank at Free.
Does Caddy or Northflank run on more platforms?
Caddy runs on Linux, macOS, Windows, Docker. Northflank runs on AWS, GCP, Azure, On-premises.
Can I use Caddy for free?
Both have a free tier, so you can try either at no cost before committing.
What is Caddy best used for?
Caddy is most often used for sites and services where expired certificates have caused outages before, small deployments where nginx configuration is more effort than the problem warrants, reverse proxying internal services with tls without a certificate workflow. Of those, sites and services where expired certificates have caused outages before and small deployments where nginx configuration is more effort than the problem warrants are not what Northflank is typically brought in for.
What can Caddy do that Northflank cannot?
Caddy covers Automatic HTTPS, Caddyfile, Reverse proxy, Single binary. Northflank covers Application deployments, GPU support, Preview environments, Database management.

Answered from the vendors’ own pages

Caddy: Is Caddy free?

Yes, open source under the Apache 2.0 licence, free for commercial use.

Northflank: What is included in the free Sandbox tier?

The Sandbox includes always-on compute, 2 free services, 1 free database, 2 free cron jobs, and is perfect for testing applications.

Source
Caddy: What does automatic HTTPS mean?

Caddy obtains certificates from Let’s Encrypt or ZeroSSL on first request and renews them before expiry, with no cron job or configuration.

Northflank: How much does CPU cost on Northflank?

CPU costs $0.01667 per vCPU per hour on pay-as-you-go pricing.

Source
Caddy: Caddy or Nginx?

Caddy is dramatically simpler to configure and removes certificate management. Nginx has the larger ecosystem and better peak throughput.

Northflank: What GPUs are available?

GPU options include NVIDIA L4 at $0.80/hr through H100 at $2.74/hr.

Source
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