ElevenLabs releases the Eleven v4 voice model
What happened
On 29 September 2026, ElevenLabs released Eleven v4. According to The Decoder, the model follows emotion, pause and sound-effect tags in scripts more accurately and maintains a consistent voice in long productions. The new architecture also powers a Turbo version for real-time voice agents. Official tests showed speech output starting in around 150 milliseconds, compared with 262 milliseconds for Cartesia Sonic 3.6 and 814 milliseconds for OpenAI GPT-4o mini TTS. There is currently only one report on the event, with no subsequent developments or contradictions with earlier coverage.
Written by AI from the reports · updated 2 d ago
Timeline
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- The DecoderElevenLabs' new v4 speech model makes AI voices more expressive and consistent
ElevenLabs released Eleven v4, which follows emotion, pause and sound-effect tags in scripts more accurately and maintains a consistent voice in long productions. The architecture also powers Turbo, starting speech output in around 150 milliseconds in official tests, compared with 262 milliseconds for Cartesia Sonic 3.6 and 814 milliseconds for OpenAI GPT-4o mini TTS.
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