Source: https://seerepo.com/compare/HumanSignal/label-studio/vs/SigNoz/signoz
Markdown source: https://seerepo.com/compare/HumanSignal/label-studio/vs/SigNoz/signoz.md
Description: label-studio and signoz share 6 technologies: React, Vite, Redis, Postgres, Sentry, and Google. label-studio is written in TypeScript and signoz in Go.

# label-studio vs signoz

label-studio and signoz share 6 technologies: React, Vite, Redis, Postgres, Sentry, and Google. label-studio is written in TypeScript and signoz in Go.

- [HumanSignal/label-studio](https://seerepo.com/r/HumanSignal/label-studio): Label Studio is a multi-type data labeling and annotation tool with standardized output format
- [SigNoz/signoz](https://seerepo.com/r/SigNoz/signoz): SigNoz is an open-source, OpenTelemetry-native observability platform for your team and their AI agents. Get logs, metrics, and traces in one tool with features like APM, distributed tracing, log management, infra monitoring, etc. Combined with SigNoz MCP and a native AI teammate (in SigNoz Cloud) it helps you build more resilient apps.

## What they share and what sets them apart

- In common: React, Vite, Redis, Postgres, Sentry, Google
- Only in label-studio: Django
- Only in signoz: Gorilla, PostHog

## Side by side

| | label-studio | signoz |
|---|---|---|
| Size | 439,850 lines written, 1,627 code files | 1,090,543 lines written, 4,718 code files |
| Who writes it | 1.1% of its commits signed by AI. With Claude Code, Cursor, and GitHub Copilot | 1.2% of its commits signed by AI. With Claude Code, GitHub Copilot, and Cursor |
| Activity | Last push November 2, 2026, 7,362 commits, 28,614 stars | Last push November 1, 2026, 6,568 commits, 32,495 stars |
| Tests | 744 test files. 32.2% of its code files have a test that imports them | 1,865 test files. 36.4% 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, label-studio or signoz?

signoz, with 1,090,543 lines written in 4,718 code files; label-studio has 439,850 in 1,627.

The proof: [SigNoz/signoz's code at commit a621fb2](https://github.com/SigNoz/signoz/tree/a621fb2b49acd8ee352eb61ba2976bd34afdf402)

### Which has more GitHub stars, label-studio or signoz?

signoz, with 32,495 stars; label-studio has 28,614.

The proof: [SigNoz/signoz on GitHub](https://github.com/SigNoz/signoz)

### Which has more tests, label-studio or signoz?

signoz, with 1,865 test files; label-studio has 744.

The proof: [SigNoz/signoz's code at commit a621fb2](https://github.com/SigNoz/signoz/tree/a621fb2b49acd8ee352eb61ba2976bd34afdf402)

### Which was updated more recently, label-studio or signoz?

label-studio: its last push was on November 2, 2026, and signoz's on November 1, 2026.

The proof: [HumanSignal/label-studio's commits on GitHub](https://github.com/HumanSignal/label-studio/commits)

### Which has more commits signed by AI, label-studio or signoz?

signoz: an AI signed 1.2% of its commits, with Claude Code, GitHub Copilot, and Cursor; in label-studio, 1.1%.

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

## Sources

- HumanSignal/label-studio: Read on November 2, 2026, at commit 60b7f98 (https://github.com/HumanSignal/label-studio/tree/60b7f987b7c09ae65705fafbbee108091dbf1ff2)
- SigNoz/signoz: Read on November 1, 2026, at commit a621fb2 (https://github.com/SigNoz/signoz/tree/a621fb2b49acd8ee352eb61ba2976bd34afdf402)

## 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.