The open beta for World of Tanks on PlayStation 4 starts today, Wargaming has confirmed. You can already download the client via the PlayStation Store, and the beta itself starts at 16:00 GMT, and runs until then end of December 6. Every participating player will get a "PlayStation 20th anniversary US premium tank M22 Locust".
The tank sports a PlayStation camo and a special emblem. Beta players also get a T1E6-PS with a special paint job. The beta and the full game are free-to-play on PS4 and you don't need a PS Plus account in order to play the multiplayer, as is the case with other free-to-play offerings on PS4.