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jaeger vs temporal

jaeger and temporal share 8 technologies: go.uber.org/zap, go.opentelemetry.io/otel, go.opentelemetry.io/otel/sdk/metric, Prometheus, go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp, github.com/prometheus/client_model, go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc, and go.opentelemetry.io/otel/sdk. Both are written in Go.

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What they share and what sets them apart

jaegertracing

jaeger

CNCF Jaeger, a Distributed Tracing Platform

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

temporal

Temporal service

Go24.2kRead on November 4, 2026, at commit d167000What is temporal built with?

In common

  • go.uber.org/zap
  • go.opentelemetry.io/otel
  • go.opentelemetry.io/otel/sdk/metric
  • Prometheus
  • go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp
  • github.com/prometheus/client_model
  • go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc
  • go.opentelemetry.io/otel/sdk

Only in jaeger

  • net/http
  • MCP
  • otelgrpc
  • go.opentelemetry.io/otel/trace
  • go.opentelemetry.io/otel/metric
  • go.opentelemetry.io/otel/exporters/otlp/otlptrace
  • go.opentelemetry.io/otel/exporters/prometheus
  • github.com/prometheus/common

Only in temporal

  • Gorilla
  • Postgres
  • MySQL
  • SQLite
  • AWS S3
  • Google
  • tablewriter
  • github.com/aws/aws-sdk-go-v2/credentials
  • github.com/go-jose/go-jose/v4
  • golang.org/x/oauth2
  • OpenTelemetry
  • github.com/aws/aws-sdk-go-v2
  • github.com/aws/aws-sdk-go-v2/config
  • github.com/felixge/httpsnoop
  • go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc
  • go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
jaeger188,919 lines written548 code files
temporal952,127 lines written1,359 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.
jaeger7.2% of its commits signed by AIWith Claude Code, GitHub Copilot, and Cursor
temporal2.9% of its commits signed by AIWith Claude Code, Cursor, and GitHub Copilot
ActivityFrom GitHub and its history, on the day SeeRepo read it.
jaegerLast push November 4, 20264,964 commits23,372 stars
temporalLast push November 4, 202610,123 commits24,182 stars
TestsThe files that test the code, and the share of code files a test imports.
jaeger680 test files83.4% of its code files have a test that imports them
temporal1,385 test files85.7% of its code files have a test that imports them

Frequently asked questions

Which is bigger, jaeger or temporal?
temporal, with 952,127 lines written; jaeger has 188,919.

The proof: temporalio/temporal's code at commit d167000

Which has more GitHub stars, jaeger or temporal?
temporal, with 24,182 stars; jaeger has 23,372.

The proof: temporalio/temporal on GitHub

Which has more tests, jaeger or temporal?
temporal, with 1,385 test files; jaeger has 680.

The proof: temporalio/temporal's code at commit d167000

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

The proof: jaegertracing/jaeger's commits on GitHub

Which has more commits signed by AI, jaeger or temporal?
jaeger: an AI signed 7.2% of its commits, with Claude Code, GitHub Copilot, and Cursor; in temporal, 2.9%.

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

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