Playwright MCP vs Alumnium
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Playwright MCP starts at Free and Alumnium starts at Free. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Browser control for agents
- Accessibility snapshots
- Test generation
- Works with major agents
- Remote hosted option
- Plain-language test steps
- Selenium, Playwright and Appium
- MCP server for coding agents
- TypeScript, Python and Java clients
- Choice of AI provider
| Feature | Playwright MCP | Alumnium |
|---|---|---|
| Best for | Microsoft's MCP server that gives AI agents a real browser | Open-source AI test harness for web and mobile apps, with MCP |
| Category | Coding | Coding |
| Pricing model | Free | Free |
| Starting price | Free | Free |
| Free plan | Yes, fully free | Yes, fully free |
| Made by | Microsoft | Alumnium |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Playwright MCP starts at Free and Alumnium starts at Free. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Playwright MCP
- Free and open source
- No vision model needed
- Backed by Playwright team
- Uses many tokens per session
- Browser setup needed locally
Alumnium
- Free and MIT licensed
- Builds on drivers you already use
- Lets coding agents test their own changes
- Needs your own model API key
- Each test run adds model API costs
- Still pre-1.0
Which one should you choose?
Choose Playwright MCP if you want:
- Free and open source
- No vision model needed
- Backed by Playwright team
Watch out: uses many tokens per session.
Choose Alumnium if you want:
- Free and MIT licensed
- Builds on drivers you already use
- Lets coding agents test their own changes
Watch out: needs your own model api key.
Playwright MCP vs Alumnium FAQ
What is the difference between Playwright MCP and Alumnium?
Playwright MCP: Microsoft's MCP server that gives AI agents a real browser. Alumnium: Open-source AI test harness for web and mobile apps, with MCP. Both are coding tools.
Is Playwright MCP or Alumnium cheaper?
Playwright MCP starts at Free and Alumnium starts at Free. Check both pricing pages for current plans.
Do Playwright MCP and Alumnium have free plans?
Playwright MCP: Yes, fully free. Alumnium: Yes, fully free.
Who makes Playwright MCP?
Playwright MCP is made by Microsoft, based in United States.
Who makes Alumnium?
Alumnium is made by Alumnium.
Which should I choose, Playwright MCP or Alumnium?
Choose Playwright MCP if you value free and open source and no vision model needed. Choose Alumnium if you value free and mit licensed and builds on drivers you already use.