ElevenLabs releases Eleven v4 voice model; Turbo variant speaks in about 150 milliseconds
ElevenLabs' new v4 speech model makes AI voices more expressive and consistent
What happened
ElevenLabs released voice model Eleven v4, which better follows emotion, pauses, and sound-effect tags in scripts and keeps voices consistent in long productions. The new architecture also powers Turbo, a variant for real-time voice agents. In company tests, it begins speaking in about 150 milliseconds, compared with 262 milliseconds for Cartesia Sonic 3.6 and 814 milliseconds for OpenAI GPT-4o mini TTS.
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