Toshi is a restaurant located in the Grand Millennium Dubai hotel. It is known for its diverse menu, offering Asian and international cuisines. However, specific details about "all you can eat" buffets or their availability at Toshi may change over time.

To get the most accurate and up-to-date information, I recommend checking the latest reviews, contacting the Grand Millennium Dubai hotel directly, or visiting the official website of Toshi for any promotions, buffet offerings, or changes in their services. Restaurants often update their menus and offerings, so verifying with the establishment will ensure you have the latest information for planning your dining experience.