Source: https://seerepo.com/compare/cvat-ai/cvat/vs/lemomo-ai/lemo-opuscar
Markdown source: https://seerepo.com/compare/cvat-ai/cvat/vs/lemomo-ai/lemo-opuscar.md
Description: cvat and lemo-opuscar share 4 technologies: fonttools, pillow, av, and three. cvat is written in TypeScript and lemo-opuscar in JavaScript.

# cvat vs lemo-opuscar

cvat and lemo-opuscar share 4 technologies: fonttools, pillow, av, and three. cvat is written in TypeScript and lemo-opuscar in JavaScript.

- [cvat-ai/cvat](https://seerepo.com/r/cvat-ai/cvat): CVAT is a leading data annotation platform for image, video, audio, and 3D datasets. It offers open-source, cloud, and enterprise products, as well as labeling services, with AI-assisted labeling, quality assurance, team collaboration, analytics, and developer APIs.
- [lemomo-ai/lemo-opuscar](https://seerepo.com/r/lemomo-ai/lemo-opuscar): A toolbox of film styles made in code for Claude Code: 66 ready to use, and your own. Each style is a style prompt plus a demo film made entirely in code by Claude Opus 5.5, with no video model. By Lemomo. · 一套用代码做片的风格工具箱：66 种现成风格，也能做出你自己的

## What they share and what sets them apart

- In common: fonttools, pillow, av, three
- Only in cvat: Django, google-cloud-core, h5py, psycopg2-binary, pyarrow, s3transfer, rq, django-rq, Redis, Postgres, clickhouse-connect, azure-storage-blob, Google Cloud Storage, anyio, asgiref, tornado, uvicorn, djangorestframework, lru-cache, React, React Router, react-router-dom, cycler, contourpy, matplotlib, cryptography, oauthlib, pyjwt, python3-saml, requests-oauthlib, django-allauth, Google, nltk, scikit-learn, pycocotools, imagesize, lxml, ruamel-yaml-clib, defusedxml, pdf2image, ruamel-yaml, jsonschema, kubernetes, psutil, azure-core, boto3, botocore, fabric, dompurify, classnames, antd, wavesurfer.js, @dnd-kit/core, @uiw/react-md-editor, react-color, react-intersection-observer, TanStack, @ant-design/compatible, Chart.js, react-grid-layout, Ant Design, onnxruntime-web, rehype-sanitize, react-markdown, prop-types
- Only in lemo-opuscar: edge-tts, faster-whisper, librosa

## Side by side

| | cvat | lemo-opuscar |
|---|---|---|
| Size | 341,391 lines written, 1,089 code files | 130,942 lines written, 26 code files |
| Who writes it | 0.1% of its commits signed by AI. With CodeRabbit, Codex, Claude Code, and GitHub Copilot | 55.6% of its commits signed by AI. With Claude Code |
| Activity | Last push November 6, 2026, 6,058 commits, 17,088 stars | Last push November 8, 2026, 126 commits, 14,005 stars |
| Tests | 453 test files. 7% of its code files have a test that imports them | 0 test files |

- 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, cvat or lemo-opuscar?

cvat, with 341,391 lines written; lemo-opuscar has 130,942.

The proof: [cvat-ai/cvat's code at commit 1a69829](https://github.com/cvat-ai/cvat/tree/1a69829b80f7bb0438352ee4a66c84d93a1dd36b)

### Which has more GitHub stars, cvat or lemo-opuscar?

cvat, with 17,088 stars; lemo-opuscar has 14,005.

The proof: [cvat-ai/cvat on GitHub](https://github.com/cvat-ai/cvat)

### Which has more tests, cvat or lemo-opuscar?

cvat, with 453 test files.

The proof: [cvat-ai/cvat's code at commit 1a69829](https://github.com/cvat-ai/cvat/tree/1a69829b80f7bb0438352ee4a66c84d93a1dd36b)

### Which was updated more recently, cvat or lemo-opuscar?

lemo-opuscar: its last push was on November 8, 2026, and cvat's on November 6, 2026.

The proof: [lemomo-ai/lemo-opuscar's commits on GitHub](https://github.com/lemomo-ai/lemo-opuscar/commits)

### Which has more commits signed by AI, cvat or lemo-opuscar?

lemo-opuscar: an AI signed 55.6% of its commits, with Claude Code; in cvat, 0.1%.

The proof: [the commits each tool signed in lemomo-ai/lemo-opuscar](https://seerepo.com/r/lemomo-ai/lemo-opuscar/ai)

## Sources

- cvat-ai/cvat: Read on November 7, 2026, at commit 1a69829 (https://github.com/cvat-ai/cvat/tree/1a69829b80f7bb0438352ee4a66c84d93a1dd36b)
- lemomo-ai/lemo-opuscar: Read on November 9, 2026, at commit 143f387 (https://github.com/lemomo-ai/lemo-opuscar/tree/143f387ad774525dc9abc0ff05fb5f4bfbaa5f02)

## 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.