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grpc-go vs jaeger

grpc-go and jaeger share 6 technologies: go.opentelemetry.io/otel/trace, go.opentelemetry.io/otel/metric, go.opentelemetry.io/otel/exporters/prometheus, go.opentelemetry.io/otel/sdk/metric, Prometheus, and go.opentelemetry.io/otel/sdk. Both are written in Go.

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What they share and what sets them apart

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

In common

  • go.opentelemetry.io/otel/trace
  • go.opentelemetry.io/otel/metric
  • go.opentelemetry.io/otel/exporters/prometheus
  • go.opentelemetry.io/otel/sdk/metric
  • Prometheus
  • go.opentelemetry.io/otel/sdk
jaegertracing

jaeger

CNCF Jaeger, a Distributed Tracing Platform

Go23.4kRead on November 4, 2026, at commit d723f91What is jaeger built with?

Only in jaeger

  • net/http
  • MCP
  • otelgrpc
  • go.uber.org/zap
  • go.opentelemetry.io/otel
  • go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp
  • github.com/prometheus/client_model
  • go.opentelemetry.io/otel/exporters/otlp/otlptrace
  • go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc
  • github.com/prometheus/common

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
grpc-go335,203 lines written475 code files
jaeger188,919 lines written548 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.
grpc-go0.2% of its commits signed by AIWith Gemini CLI and Claude Code
jaeger7.2% of its commits signed by AIWith Claude Code, GitHub Copilot, and Cursor
ActivityFrom GitHub and its history, on the day SeeRepo read it.
grpc-goLast push November 4, 20265,441 commits23,104 stars
jaegerLast push November 4, 20264,964 commits23,372 stars
TestsThe files that test the code, and the share of code files a test imports.
grpc-go480 test files78.9% of its code files have a test that imports them
jaeger680 test files83.4% of its code files have a test that imports them

Frequently asked questions

Which is bigger, grpc-go or jaeger?
grpc-go, with 335,203 lines written; jaeger has 188,919.

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

Which has more GitHub stars, grpc-go or jaeger?
jaeger, with 23,372 stars; grpc-go has 23,104.

The proof: jaegertracing/jaeger on GitHub

Which has more tests, grpc-go or jaeger?
jaeger, with 680 test files; grpc-go has 480.

The proof: jaegertracing/jaeger's code at commit d723f91

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

The proof: jaegertracing/jaeger's commits on GitHub

Which has more commits signed by AI, grpc-go or jaeger?
jaeger: an AI signed 7.2% of its commits, with Claude Code, GitHub Copilot, and Cursor; in grpc-go, 0.2%.

The proof: the commits each tool signed in jaegertracing/jaeger

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