Source: https://seerepo.com/compare/cvat-ai/cvat/vs/langflow-ai/langflow
Markdown source: https://seerepo.com/compare/cvat-ai/cvat/vs/langflow-ai/langflow.md
Description: cvat and langflow share 16 technologies: pyarrow, Redis, uvicorn, React, react-router-dom, cryptography, pyjwt, Google, pillow, defusedxml, jsonschema, psutil, boto3, dompurify, rehype-sanitize, and react-markdown. cvat is written in TypeScript and langflow in Python.

# cvat vs langflow

cvat and langflow share 16 technologies: pyarrow, Redis, uvicorn, React, react-router-dom, cryptography, pyjwt, Google, pillow, defusedxml, jsonschema, psutil, boto3, dompurify, rehype-sanitize, and react-markdown. cvat is written in TypeScript and langflow in Python.

- [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.
- [langflow-ai/langflow](https://seerepo.com/r/langflow-ai/langflow): Langflow is a powerful tool for building and deploying AI-powered agents and workflows.

## What they share and what sets them apart

- In common: pyarrow, Redis, uvicorn, React, react-router-dom, cryptography, pyjwt, Google, pillow, defusedxml, jsonschema, psutil, boto3, dompurify, rehype-sanitize, react-markdown
- Only in cvat: Django, google-cloud-core, h5py, psycopg2-binary, s3transfer, rq, django-rq, Postgres, clickhouse-connect, azure-storage-blob, Google Cloud Storage, anyio, asgiref, tornado, djangorestframework, lru-cache, React Router, cycler, fonttools, contourpy, matplotlib, oauthlib, python3-saml, requests-oauthlib, django-allauth, nltk, scikit-learn, pycocotools, imagesize, lxml, ruamel-yaml-clib, av, pdf2image, ruamel-yaml, kubernetes, azure-core, botocore, fabric, three, 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, prop-types
- Only in langflow: FastAPI, oracledb, OpenAI, AIOHTTP, Vite, Rich, SQLAlchemy, bcrypt, google-auth-oauthlib, firecrawl-py, LangChain, langchain-classic, MCP, exa-py, pypdf, markitdown, Pydantic, msgspec, validators, loguru, Tailwind CSS, class-variance-authority, tailwind-merge, xyflow, Radix UI, ag-grid-community, Framer, react-hotkeys-hook, use-stick-to-bottom, react-syntax-highlighter, ace-builds, Headless UI, cmdk, elkjs, react-day-picker, react-error-boundary, react-sortablejs, reactflow, Lucide, react-icons, @radix-ui/react-icons, remark-gfm, rehype-raw

## Side by side

| | cvat | langflow |
|---|---|---|
| Size | 341,391 lines written, 1,089 code files | 1,446,517 lines written, 3,937 code files |
| Who writes it | 0.1% of its commits signed by AI. With CodeRabbit, Codex, Claude Code, and GitHub Copilot | 1.5% of its commits signed by AI. With Claude Code, CodeRabbit, GitHub Copilot, Cursor, Codex, and Warp |
| Activity | Last push November 6, 2026, 6,058 commits, 17,088 stars | Last push November 4, 2026, 17,600 commits, 156,316 stars |
| Tests | 453 test files. 7% of its code files have a test that imports them | 3,083 test files. 35.1% 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, cvat or langflow?

langflow, with 1,446,517 lines written; cvat has 341,391.

The proof: [langflow-ai/langflow's code at commit 60999cc](https://github.com/langflow-ai/langflow/tree/60999cc9a7350e44dde3ef641baae864e10861f0)

### Which has more GitHub stars, cvat or langflow?

langflow, with 156,316 stars; cvat has 17,088.

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

### Which has more tests, cvat or langflow?

langflow, with 3,083 test files; cvat has 453.

The proof: [langflow-ai/langflow's code at commit 60999cc](https://github.com/langflow-ai/langflow/tree/60999cc9a7350e44dde3ef641baae864e10861f0)

### Which was updated more recently, cvat or langflow?

cvat: its last push was on November 6, 2026, and langflow's on November 4, 2026.

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

### Which has more commits signed by AI, cvat or langflow?

langflow: an AI signed 1.5% of its commits, with Claude Code, CodeRabbit, GitHub Copilot, Cursor, Codex, and Warp; in cvat, 0.1%.

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

## Sources

- cvat-ai/cvat: Read on November 7, 2026, at commit 1a69829 (https://github.com/cvat-ai/cvat/tree/1a69829b80f7bb0438352ee4a66c84d93a1dd36b)
- langflow-ai/langflow: Read on November 4, 2026, at commit 60999cc (https://github.com/langflow-ai/langflow/tree/60999cc9a7350e44dde3ef641baae864e10861f0)

## 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.