Roblox releases real-time AI chat translator

Metaverse platform Roblox is bringing a new AI translation tool online for its millions of users around the world, making it easier to communicate regardless of a player's native language.

According to a Feb. 5 statement by Roblox chief technology officer Dan Sturman, the new system required the firm to build its own in-house large language model (LLM) to be able to translate text-based messages at a base latency of 100 milliseconds - making conversations feel instantaneous for users.

To improve the speed of translation so it feels instant, Roblox built a model that leverages linguistic similarities between languages, ensuring those most closely matched are trained together such as Spanish and Portuguese.

The translation AI is built on a large language model trained on open-source data, human-labeled chat translation results and common chat sentences and phrases found in Roblox itself.

"Imagine discovering that your new Roblox friend, a person you've been chatting and joking with in a new experience, is actually in Korea - and has been typing in Korean the entire time, while you've been typing in English, without either of you noticing," said Sturman.

Roblox boasts over 70 million users connecting every day with some 2.4 billion messages exchanged between 180 countries every day and, according to the company, a third of the time people are chatting with others who don't speak the same language as them.

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