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On November 2, 2026, ElevenLabs released the SFX v3 sound effects model in the Sound Effects API, with the model ID eleven_text_to_sound_v3. According to the ElevenLabs Blog, this model follows multi-instruction prompts more strictly than SFX v2 and handles vocals and music better; the new model automatically determines sound effect duration based on the prompt, and duration can also be specified with duration_seconds, prompt_influence defaults to 0.3, and raising it can make results more closely match the prompt. Loop generation currently only supports eleven_text_to_sound_v2.
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ElevenLabs releases SFX v3 API: supports multi-segment prompts to generate sound effectsDevelopments
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- Source:ElevenLabs Blog
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Nov 2
ElevenLabs BlogFirst-party
ElevenLabs releases SFX v3 API: supports multi-segment prompts to generate sound effects
ElevenLabs has released the SFX v3 sound effects model in the Sound Effects API, with the model ID eleven_text_to_sound_v3. Compared with SFX v2, it follows multi-instruction prompts more strictly and handles vocals and music better. The new model automatically determines sound effect duration based on the prompt, and duration_seconds can be used to specify the duration. prompt_influence defaults to 0.3, and increasing it can make the output more closely match the prompt. Loop generation currently only supports eleven_text_to_sound_v2.