Source: https://seerepo.com/compare/gradio-app/gradio/vs/huggingface/chat-ui
Markdown source: https://seerepo.com/compare/gradio-app/gradio/vs/huggingface/chat-ui.md
Description: gradio and chat-ui share 9 technologies: Svelte, Hugging Face, OpenAI, SvelteKit, Tailwind CSS, MCP, handlebars, katex, and marked. gradio is written in Python and chat-ui in TypeScript.

# gradio vs chat-ui

gradio and chat-ui share 9 technologies: Svelte, Hugging Face, OpenAI, SvelteKit, Tailwind CSS, MCP, handlebars, katex, and marked. gradio is written in Python and chat-ui in TypeScript.

- [gradio-app/gradio](https://seerepo.com/r/gradio-app/gradio): Build and share delightful machine learning apps, all in Python. 🌟 Star to support our work!
- [huggingface/chat-ui](https://seerepo.com/r/huggingface/chat-ui): The open source codebase powering HuggingChat

## What they share and what sets them apart

- In common: Svelte, Hugging Face, OpenAI, SvelteKit, Tailwind CSS, MCP, handlebars, katex, marked
- Only in gradio: FastAPI, psycopg2, uvicorn, starlette, anyio, Vite, bokeh, gradio-datetimerange, gradio-webrtc, Open3D, Plotly, xyzservices, SQLAlchemy, itsdangerous, accelerate, datasets, diffusers, LangChain, langchain-openai, librosa, llama-index, neon-tts-plugin-coqui, nltk, onnxruntime-gpu, openai-whisper, opencv-python, prophet, pyannote.audio, safetensors, scikit-learn, shap, spaCy, speechbrain, TensorFlow, torch, torchaudio, torchvision, xgboost, gradio-pdf, jinja2, markupsafe, pymupdf, spaces, Gradio, gradio-client, matplotlib, altair, authlib, transformers, pillow, Pydantic, iframe-resizer, hast-util-to-string, prismjs, wavesurfer.js, cm6-theme-basic-dark, cm6-theme-basic-light, CodeMirror, @lezer/highlight, @lezer/markdown, TanStack, D3, @zerodevx/svelte-json-view, pixi.js, pixi-filters, d3-selection, Mermaid, marked-gfm-heading-id, marked-highlight, Babylon.js, gsplat, Vega, vega-embed, vega-lite, amuchina, sanitize-html, @ffmpeg/ffmpeg
- Only in chat-ui: MongoDB, bson-objectid, @slack/bolt, polka, bits-ui, web-haptics, openid-client, @aws-sdk/credential-providers, isomorphic-dompurify, @resvg/resvg-js, satori, file-type, highlight.js, htmlparser2, hyparquet, parquetjs, remend, satori-html, sharp, Zod, pino, prom-client

## Side by side

| | gradio | chat-ui |
|---|---|---|
| Size | 313,589 lines written, 1,025 code files | 179,282 lines written, 657 code files |
| Who writes it | 2.2% of its commits signed by AI. With Claude Code, GitHub Copilot, Cursor, and Sweep | 7.5% of its commits signed by AI. With Claude Code, Cursor, and Jules |
| Activity | Last push November 13, 2026, 7,099 commits, 44,044 stars | Last push November 12, 2026, 2,325 commits, 11,031 stars |
| Tests | 330 test files. 15.3% of its code files have a test that imports them | 302 test files. 55.4% 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, gradio or chat-ui?

gradio, with 313,589 lines written; chat-ui has 179,282.

The proof: [gradio-app/gradio's code at commit 99cb78f](https://github.com/gradio-app/gradio/tree/99cb78fd277e2992da5c7b3eb459ddd222fa7752)

### Which has more GitHub stars, gradio or chat-ui?

gradio, with 44,044 stars; chat-ui has 11,031.

The proof: [gradio-app/gradio on GitHub](https://github.com/gradio-app/gradio)

### Which has more tests, gradio or chat-ui?

gradio, with 330 test files; chat-ui has 302.

The proof: [gradio-app/gradio's code at commit 99cb78f](https://github.com/gradio-app/gradio/tree/99cb78fd277e2992da5c7b3eb459ddd222fa7752)

### Which was updated more recently, gradio or chat-ui?

gradio: its last push was on November 13, 2026, and chat-ui's on November 12, 2026.

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

### Which has more commits signed by AI, gradio or chat-ui?

chat-ui: an AI signed 7.5% of its commits, with Claude Code, Cursor, and Jules; in gradio, 2.2%.

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

## Sources

- gradio-app/gradio: Read on November 13, 2026, at commit 99cb78f (https://github.com/gradio-app/gradio/tree/99cb78fd277e2992da5c7b3eb459ddd222fa7752)
- huggingface/chat-ui: Read on November 12, 2026, at commit 4e0a95b (https://github.com/huggingface/chat-ui/tree/4e0a95b6a6c80d04d788f1bbad72a1e4713413b9)

## 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.