Original Pixel and Pixel XL was announced back in October 2016 replacing the Nexus line of devices. Now Google store has removed the device from its official store. Pixel and Pixel XL was on sale for around year and half.
Google confirmed that it will provide updates to the device for 2 years of software updates for these two (still six months for two years) and three years of security updates. Android P will be the last OS version for the original Pixels devices. If still interested in buying Original Pixel devices, you can head to any other retail stores to purchase the one as these device are still one of the best devices to use.