Source: https://seerepo.com/compare/grafana/k6/vs/jaegertracing/jaeger
Markdown source: https://seerepo.com/compare/grafana/k6/vs/jaegertracing/jaeger.md
Description: k6 and jaeger share 9 technologies: net/http, go.opentelemetry.io/otel, go.opentelemetry.io/otel/metric, go.opentelemetry.io/otel/sdk, go.opentelemetry.io/otel/sdk/metric, Prometheus, github.com/prometheus/client_model, go.opentelemetry.io/otel/exporters/otlp/otlptrace, and go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc. Both are written in Go.

# k6 vs jaeger

k6 and jaeger share 9 technologies: net/http, go.opentelemetry.io/otel, go.opentelemetry.io/otel/metric, go.opentelemetry.io/otel/sdk, go.opentelemetry.io/otel/sdk/metric, Prometheus, github.com/prometheus/client_model, go.opentelemetry.io/otel/exporters/otlp/otlptrace, and go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc. Both are written in Go.

- [grafana/k6](https://seerepo.com/r/grafana/k6): A modern load testing tool, using Go and JavaScript
- [jaegertracing/jaeger](https://seerepo.com/r/jaegertracing/jaeger): CNCF Jaeger, a Distributed Tracing Platform

## What they share and what sets them apart

- In common: net/http, go.opentelemetry.io/otel, go.opentelemetry.io/otel/metric, go.opentelemetry.io/otel/sdk, go.opentelemetry.io/otel/sdk/metric, Prometheus, github.com/prometheus/client_model, go.opentelemetry.io/otel/exporters/otlp/otlptrace, go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc
- Only in k6: github.com/influxdata/influxdb1-client, github.com/Azure/go-ntlmssp, github.com/PuerkitoBio/goquery, github.com/sirupsen/logrus, OpenTelemetry, go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc, go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp, go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp
- Only in jaeger: MCP, otelgrpc, go.uber.org/zap, go.opentelemetry.io/otel/trace, go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp, go.opentelemetry.io/otel/exporters/prometheus, github.com/prometheus/common

## Side by side

| | k6 | jaeger |
|---|---|---|
| Size | 266,116 lines written, 633 code files | 188,919 lines written, 548 code files |
| Who writes it | 0.4% of its commits signed by AI. With Claude Code, Cursor, and GitHub Copilot | 7.2% of its commits signed by AI. With Claude Code, GitHub Copilot, and Cursor |
| Activity | Last push November 6, 2026, 10,227 commits, 32,181 stars | Last push November 4, 2026, 4,964 commits, 23,372 stars |
| Tests | 450 test files. 53.6% of its code files have a test that imports them | 680 test files. 83.4% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, k6 or jaeger?

k6, with 266,116 lines written; jaeger has 188,919.

The proof: [grafana/k6's code at commit 4ac4745](https://github.com/grafana/k6/tree/4ac4745707bcf432bca392f13c4248e9924a04ed)

### Which has more GitHub stars, k6 or jaeger?

k6, with 32,181 stars; jaeger has 23,372.

The proof: [grafana/k6 on GitHub](https://github.com/grafana/k6)

### Which has more tests, k6 or jaeger?

jaeger, with 680 test files; k6 has 450.

The proof: [jaegertracing/jaeger's code at commit d723f91](https://github.com/jaegertracing/jaeger/tree/d723f91447f29a345c288f37eb8d1ce7807bc0be)

### Which was updated more recently, k6 or jaeger?

k6: its last push was on November 6, 2026, and jaeger's on November 4, 2026.

The proof: [grafana/k6's commits on GitHub](https://github.com/grafana/k6/commits)

### Which has more commits signed by AI, k6 or jaeger?

jaeger: an AI signed 7.2% of its commits, with Claude Code, GitHub Copilot, and Cursor; in k6, 0.4%.

The proof: [the commits each tool signed in jaegertracing/jaeger](https://seerepo.com/r/jaegertracing/jaeger/ai)

## Sources

- grafana/k6: Read on November 7, 2026, at commit 4ac4745 (https://github.com/grafana/k6/tree/4ac4745707bcf432bca392f13c4248e9924a04ed)
- jaegertracing/jaeger: Read on November 4, 2026, at commit d723f91 (https://github.com/jaegertracing/jaeger/tree/d723f91447f29a345c288f37eb8d1ce7807bc0be)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.