kokoro-82m-bf16

Kokoro 82M (MLX, BF16)

Kokoro 82M text-to-speech model in MLX BF16 SafeTensors format for Apple Silicon. Fast, high-quality speech synthesis with 32+ voices.

Performance (M3 Max, 64 GB)

Benchmarked on Apple M3 Max (64 GB), macOS Sequoia 15.7.3, MLX 0.30.4.

Voices

32+ voices across multiple accents and languages:

Usage

from sonic_tts import SonicTTS

tts = SonicTTS(voice="af_heart")
result = tts.synthesize("Hello, world!")

# Streaming (lower time-to-first-audio)
from sonic_tts.streaming import StreamingTTS
streamer = StreamingTTS(synthesize_fn=tts.synthesize, strategy="clause")
for chunk in streamer.stream("Long text here..."):
    play(chunk.audio)  # first chunk arrives in ~126ms

Install: pip install sonic-tts

Origin

Weights from mlx-community/Kokoro-82M-bf16, based on hexgrad/Kokoro-82M.

Part of the Sonic Speech model collection for the Sonic local-first voice AI project.