Source: https://seerepo.com/compare/comet-ml/opik/vs/paperclipai/paperclip
Markdown source: https://seerepo.com/compare/comet-ml/opik/vs/paperclipai/paperclip.md
Description: opik and paperclip share 24 technologies: OpenAI, Anthropic, Sentry, AWS S3, Vite, React, jsonschema, class-variance-authority, Tailwind CSS, tailwind-merge, Radix UI, CodeMirror, dnd-kit, cmdk, @lezer/highlight, Mermaid, react-resizable-panels, Lucide, react-markdown, remark-gfm, yaml, Zod, ai, and @clack/prompts. opik is written in Python and paperclip in TypeScript.

# opik vs paperclip

opik and paperclip share 24 technologies: OpenAI, Anthropic, Sentry, AWS S3, Vite, React, jsonschema, class-variance-authority, Tailwind CSS, tailwind-merge, Radix UI, CodeMirror, dnd-kit, cmdk, @lezer/highlight, Mermaid, react-resizable-panels, Lucide, react-markdown, remark-gfm, yaml, Zod, ai, and @clack/prompts. opik is written in Python and paperclip in TypeScript.

- [comet-ml/opik](https://seerepo.com/r/comet-ml/opik): Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards.
- [paperclipai/paperclip](https://seerepo.com/r/paperclipai/paperclip): The open-source app everyone uses to manage agents at work

## What they share and what sets them apart

- In common: OpenAI, Anthropic, Sentry, AWS S3, Vite, React, jsonschema, class-variance-authority, Tailwind CSS, tailwind-merge, Radix UI, CodeMirror, dnd-kit, cmdk, @lezer/highlight, Mermaid, react-resizable-panels, Lucide, react-markdown, remark-gfm, yaml, Zod, ai, @clack/prompts
- Only in opik: FastAPI, JAX-RS, Flask, werkzeug, flask-cors, redisson, s3, Redis, MySQL, Hugging Face, AIOHTTP, anyio, tanstack, PostHog, Rich, itsdangerous, accelerate, spaCy, tiktoken, tokenizers, litellm, LangChain, transformers, torch, datasets, peft, scikit-learn, markdown-it-py, markupsafe, jinja2, pillow, annotated-types, referencing, Pydantic, pydantic-core, Gunicorn, OpenTelemetry, opentelemetry-instrumentation-flask, opentelemetry-instrumentation-logging, opentelemetry-instrumentation-requests, opentelemetry-instrumentation-system-metrics, botocore, docker, React Hook Form, @uiw/react-codemirror, recharts, react-hotkeys-hook, react-textarea-autosize, react18-json-view, react-day-picker, react-intersection-observer, react-player, re-resizable, react-grid-layout, Vega, vega-lite, mustache, remark-breaks, ansi-to-html, react-pdf, rehype-raw, rehype-sanitize, unist-util-visit, @hookform/resolvers, ora, @ai-sdk/google, Nunjucks, zod-to-json-schema, @opentelemetry/sdk-trace-base
- Only in paperclip: Express, Postgres, MCP, Google, Tokio, Svix, react-router-dom, @opentelemetry/resources, Drizzle, hmac, Ajv, @daytonaio/sdk, three, Better Auth, @ai-sdk/amazon-bedrock, sharp, dompurify, ajv-formats, opentelemetry, pino, motion, lexical, Base UI, xterm, @assistant-ui/react

## Side by side

| | opik | paperclip |
|---|---|---|
| Size | 1,680,031 lines written, 7,878 code files | 3,133,031 lines written, 5,090 code files |
| Who writes it | 19.7% of its commits signed by AI. With Claude Code, GitHub Copilot, and Cursor | 17% of its commits signed by AI. With Claude Code, Codex, Cursor, and GitHub Copilot |
| Activity | Last push November 4, 2026, 7,898 commits, 23,166 stars | Last push November 4, 2026, 5,942 commits, 111,002 stars |
| Tests | 2,703 test files. 20.9% of its code files have a test that imports them | 4,571 test files. 60.3% 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, opik or paperclip?

paperclip, with 3,133,031 lines written; opik has 1,680,031.

The proof: [paperclipai/paperclip's code at commit 0eaabe5](https://github.com/paperclipai/paperclip/tree/0eaabe5c0b37c99d827f78a1a8598e7b3534078a)

### Which has more GitHub stars, opik or paperclip?

paperclip, with 111,002 stars; opik has 23,166.

The proof: [paperclipai/paperclip on GitHub](https://github.com/paperclipai/paperclip)

### Which has more tests, opik or paperclip?

paperclip, with 4,571 test files; opik has 2,703.

The proof: [paperclipai/paperclip's code at commit 0eaabe5](https://github.com/paperclipai/paperclip/tree/0eaabe5c0b37c99d827f78a1a8598e7b3534078a)

### Which was updated more recently, opik or paperclip?

Both got their last push on November 4, 2026.

The proof: [comet-ml/opik's commits on GitHub](https://github.com/comet-ml/opik/commits)

### Which has more commits signed by AI, opik or paperclip?

opik: an AI signed 19.7% of its commits, with Claude Code, GitHub Copilot, and Cursor; in paperclip, 17%.

The proof: [the commits each tool signed in comet-ml/opik](https://seerepo.com/r/comet-ml/opik/ai)

## Sources

- comet-ml/opik: Read on November 4, 2026, at commit df61dd2 (https://github.com/comet-ml/opik/tree/df61dd21c66e5ed901dafba326bf29cb4b4fbcfb)
- paperclipai/paperclip: Read on November 4, 2026, at commit 0eaabe5 (https://github.com/paperclipai/paperclip/tree/0eaabe5c0b37c99d827f78a1a8598e7b3534078a)

## 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.