In that sense, the vulgar Vader scenario creates a sensitive dilemma for Epic Video games and Disney, which seemingly invested considerably on this high-profile collaboration. Whereas Epic acted swiftly in response, sustaining the function whereas stopping additional Jedi thoughts tips from gamers presents ongoing technical challenges for interactive AI speech of any type.
An AI language mannequin just like the one used for setting up responses for Vader (Google’s Gemini 2.0 Flash on this case, according to Epic) are fairly easy to trick with exploits like prompt injections and jailbreaks, and that has restricted their usefulness in some functions. Think about a really ChatGPT-like Siri or Alexa, for instance, that may very well be tricked into saying racist issues on behalf of Apple or Amazon.

David Prowse as Darth Vader and Carrie Fisher as Princess Leia filming the unique Star Wars.
Credit score:
Sundown Boulevard/Corbis through Getty Photographs
Past language fashions, the AI voice expertise behind the AI Darth Vader voice in Fortnite comes from ElevenLabs’ Flash v2.5 mannequin, skilled on examples of speech from James Earl Jones so it could actually synthesize new speech in the identical type.
Beforehand, Lucasfilm labored with a Ukrainian startup we covered in 2022 on Obi-Wan Kenobi to recreate Darth Vader’s voice efficiency utilizing a unique AI voice mannequin referred to as Respeecher, which is not utilized in Fortnite.
Based on Variety, Jones’ household supported the brand new Fortnite collaboration, stating: “James Earl felt that the voice of Darth Vader was inseparable from the story of Star Wars, and he all the time wished followers of all ages to proceed to expertise it. We hope that this collaboration with Fortnite will enable each longtime followers of Darth Vader and newer generations to share within the enjoyment of this iconic character.”
This text was up to date on Could 16, 2025 at 4:25 PM to incorporate details about an electronic mail despatched out from Epic Video games to folks. This Article was up to date once more on Could 17, 2025 at 10:10 AM to accurately attribute ElevenLabs Flash v2.5 because the supply of the Darth Vader audio mannequin in Fortnite. The article beforehand incorrectly said that Respeecher had been used for the sport.