ElevenLabs

ElevenLabs generates speech from text in many languages and voices, and also offers voice cloning, sound effect generation and dubbing. Game teams use it to voice scripted lines during prototyping, to produce placeholder dialogue before recording sessions, and in some cases for final lines or speech generated live through its API.

Its voice library includes voices that their creators have made available for others to use, and cloning a voice requires confirming you have the rights to it. For games, the important checks are consent and licensing: get written agreement from any actor whose voice you clone, read your plan's terms on commercial use, and note that actor contracts and union agreements increasingly cover synthetic voices. Listen to every line in context, since pacing and emphasis often need a few takes.