Eleven v4

Speech

eleven-v4

ElevenLabs|Created Oct 30, 2026

Speech

Eleven v4 is our state of the art speech synthesis model, delivering our highest quality audio, expressiveness, and control over how voices are performed. Eleven v4 supports high-fidelity voice cloning with reliable speaker preservation across long text generations.

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Code Example

Example code for using this model through our API with Python (OpenAI SDK) or cURL. Replace placeholders with your API key and model ID.

Basic request example. Ensure API key permissions. For more details, see our documentation.

from openai import OpenAI
from pathlib import Path

client = OpenAI(base_url="https://api.naga.ac/v1", api_key="YOUR_API_KEY")

speech_file_path = Path("speech.mp3")
resp = client.audio.speech.create(
    model="eleven-v4",
    voice="alloy",
    input="Hello from NagaAI Text-to-Speech!"
)
resp.stream_to_file(speech_file_path)