Google Keyboard is the default keyboard in the Android 6(Marsh Mallow). By default, its configured to enable vibration on key press. If you are someone who dislikes this feature and wants to disable it, here is a simple way of disabling it:
- Go to Home -> Settings -> Language & input
- Locate “Google Keyboard” and press it to open its options.
- Select Preferences
- Disable the “Vibrate on keypress” option and you are good