Toshi is a popular Asian restaurant located in the Grand Millennium Dubai hotel. However, specific details about an "all you can eat buffet" at Toshi may have changed, as offerings and promotions at restaurants can vary over time.

To get the most accurate and up-to-date information about Toshi's buffet offerings, including whether they have an "all you can eat" option, I recommend checking the latest information on the official website of Grand Millennium Dubai or contacting the restaurant directly.