caddy vs grpc-go

caddy and grpc-go share 4 technologies: Prometheus, OpenTelemetry, go.opentelemetry.io/otel/trace, and go.opentelemetry.io/otel/sdk/metric. Both are written in Go.

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What they share and what sets them apart

caddyserver

caddy

Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS

Go78.8kRead on November 4, 2026, at commit c849256What is caddy built with?

Only in caddy

  • chi
  • etcd
  • github.com/yuin/goldmark
  • go.uber.org/zap
  • go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp
  • go.opentelemetry.io/otel
  • github.com/prometheus/client_model
  • go.opentelemetry.io/contrib/bridges/prometheus

In common

grpc

grpc-go

The Go language implementation of gRPC. HTTP/2 based RPC

Go23.1kRead on November 4, 2026, at commit cbf30c4What is grpc-go built with?

Only in grpc-go

  • Google
  • golang.org/x/oauth2
  • go.opentelemetry.io/otel/metric
  • go.opentelemetry.io/otel/exporters/prometheus
  • go.opentelemetry.io/otel/sdk

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
caddy135,432 lines written227 code files
grpc-go335,203 lines written475 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
caddy0.9% of its commits signed by AIWith Claude Code, GitHub Copilot, Gemini CLI, and Amp
grpc-go0.2% of its commits signed by AIWith Gemini CLI and Claude Code
ActivityFrom GitHub and its history, on the day SeeRepo read it.
caddyLast push November 4, 20262,817 commits78,770 stars
grpc-goLast push November 4, 20265,441 commits23,104 stars
TestsThe files that test the code, and the share of code files a test imports.
caddy193 test files65.6% of its code files have a test that imports them
grpc-go480 test files78.9% of its code files have a test that imports them

Frequently asked questions

Which is bigger, caddy or grpc-go?
grpc-go, with 335,203 lines written; caddy has 135,432.

The proof: grpc/grpc-go's code at commit cbf30c4

Which has more GitHub stars, caddy or grpc-go?
caddy, with 78,770 stars; grpc-go has 23,104.

The proof: caddyserver/caddy on GitHub

Which has more tests, caddy or grpc-go?
grpc-go, with 480 test files; caddy has 193.

The proof: grpc/grpc-go's code at commit cbf30c4

Which was updated more recently, caddy or grpc-go?
Both got their last push on November 4, 2026.

The proof: caddyserver/caddy's commits on GitHub

Which has more commits signed by AI, caddy or grpc-go?
caddy: an AI signed 0.9% of its commits, with Claude Code, GitHub Copilot, Gemini CLI, and Amp; in grpc-go, 0.2%.

The proof: the commits each tool signed in caddyserver/caddy

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