Selenium Grid has two versions. Selenium Grid 1.0 and Selenium Grid 2.0. Here are the main differences between them.
Selenium Grid 1.0
Selenium Grid 2.0
|Selenium Grid 1.0 has its own remote control system, which is different from the current Selenium RC.||Selenium Grid 2.0 is now bundled with the Selenium Server Jar file|
|Selenium Grid 1.0 can only support Selenium RC commands and scripts.||Selenium Grid 2.0 supports both Selenium RC and WebDriver scripts.|
|Selenium Grid 1.0 can only automate one browser per remote control.||Selenium Grid 2.0 one remote control can automate up to 5 browsers.|
|Selenium Grid 1.0 requires Apache Ant installation and configuration.||Selenium Grid 2.0 does not require Apache Ant.|