Source: https://seerepo.com/compare/seleniumbase/SeleniumBase/vs/SeleniumHQ/selenium
Markdown source: https://seerepo.com/compare/seleniumbase/SeleniumBase/vs/SeleniumHQ/selenium.md
Description: SeleniumBase and selenium share 9 technologies: Express, soupsieve, Rich, MCP, jinja2, markdown-it-py, markupsafe, mdurl, and beautifulsoup4. SeleniumBase is written in Python and selenium in Java.

# SeleniumBase vs selenium

SeleniumBase and selenium share 9 technologies: Express, soupsieve, Rich, MCP, jinja2, markdown-it-py, markupsafe, mdurl, and beautifulsoup4. SeleniumBase is written in Python and selenium in Java.

- [seleniumbase/SeleniumBase](https://seerepo.com/r/seleniumbase/SeleniumBase): Python APIs for web automation, testing, and bypassing bot-detection.
- [SeleniumHQ/selenium](https://seerepo.com/r/SeleniumHQ/selenium): A browser automation framework and ecosystem.

## What they share and what sets them apart

- In common: Express, soupsieve, Rich, MCP, jinja2, markdown-it-py, markupsafe, mdurl, beautifulsoup4
- Only in SeleniumBase: mkdocs-material, cairocffi, pyotp, markdown, mkdocs-material-extensions, pymdown-extensions, execnet, psutil
- Only in selenium: Tokio, React, react-router-dom, alabaster, pydata-sphinx-theme, cryptography, keyring, docutils, imagesize, nh3, filetype, infer, zip, rfc3986, System.Diagnostics.DiagnosticSource, env_logger, log, logger, MUI, react-modal, @mui/icons-material

## Side by side

| | SeleniumBase | selenium |
|---|---|---|
| Size | 106,509 lines written, 112 code files | 555,515 lines written, 2,434 code files |
| Who writes it | 0% of its commits signed by AI. With Claude Code | 0.1% of its commits signed by AI. With Claude Code, GitHub Copilot, and Cursor |
| Activity | Last push November 6, 2026, 9,176 commits, 13,238 stars | Last push November 7, 2026, 35,296 commits, 34,577 stars |
| Tests | 158 test files | 1,371 test files. 44.3% 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, SeleniumBase or selenium?

selenium, with 555,515 lines written; SeleniumBase has 106,509.

The proof: [SeleniumHQ/selenium's code at commit b9fa6bb](https://github.com/SeleniumHQ/selenium/tree/b9fa6bb772cea0bf9971e3b7ba21338159669310)

### Which has more GitHub stars, SeleniumBase or selenium?

selenium, with 34,577 stars; SeleniumBase has 13,238.

The proof: [SeleniumHQ/selenium on GitHub](https://github.com/SeleniumHQ/selenium)

### Which has more tests, SeleniumBase or selenium?

selenium, with 1,371 test files; SeleniumBase has 158.

The proof: [SeleniumHQ/selenium's code at commit b9fa6bb](https://github.com/SeleniumHQ/selenium/tree/b9fa6bb772cea0bf9971e3b7ba21338159669310)

### Which was updated more recently, SeleniumBase or selenium?

selenium: its last push was on November 7, 2026, and SeleniumBase's on November 6, 2026.

The proof: [SeleniumHQ/selenium's commits on GitHub](https://github.com/SeleniumHQ/selenium/commits)

### Which has more commits signed by AI, SeleniumBase or selenium?

selenium: an AI signed 0.1% of its commits, with Claude Code, GitHub Copilot, and Cursor.

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

## Sources

- seleniumbase/SeleniumBase: Read on November 10, 2026, at commit 40d8d8b (https://github.com/seleniumbase/SeleniumBase/tree/40d8d8b900da1494de741a7adcc7215778f4addb)
- SeleniumHQ/selenium: Read on November 7, 2026, at commit b9fa6bb (https://github.com/SeleniumHQ/selenium/tree/b9fa6bb772cea0bf9971e3b7ba21338159669310)

## 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.