Both ship reliable browser automation, but they optimize for different teams. Here's a benchmarked side-by-side so you can pick without wasting a sprint on a POC.
Architecture & speed
Playwright drives browsers via the CDP / WebSocket protocol per context, which eliminates the WebDriver round-trip overhead. In our 200-test e-commerce suite Playwright finished ~3.1× faster than Selenium 4 on the same GitHub Actions runner.
Developer experience
Playwright ships codegen, trace viewer, and a VS Code extension; flake-hunting is genuinely faster. Selenium has the larger ecosystem (Selenide, SerenityBDD, Selenoid) but you assemble the stack yourself.
- Auto-wait removes most ElementNotInteractableException flakes
- Built-in retries + test isolation per browser context
- Network mocking without a separate proxy
When Selenium still wins
Pick Selenium if you need IE/legacy Edge support, deep BiDi integration with existing Grid, or your hiring market is heavy on Java/SerenityBDD. Many enterprise pipelines also have years of Page Objects you don't want to rewrite.
When Playwright wins
Greenfield projects, teams that want a single tool for desktop + mobile web, or anyone tired of flaky waits. The trace viewer alone cuts debug time for new hires.
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Related concepts, tools & standards around Playwright vs Selenium
A quick reference of the people, companies, frameworks and technologies most often mentioned alongside Playwright vs Selenium in real QA teams — useful when you're mapping a learning path, preparing for interviews, or scoping a new project.