Kokoro-82M β€” bf16 (MLX)

Kokoro-82M converted to bfloat16 for MLX inference on Apple Silicon.

Converted from mlx-community/Kokoro-82M-bf16 revision a71e4d38b236d968966a2002c4c895dbd12b1c3c β€” whose safetensors are stored as float32 despite the repo name. This conversion halves the download (156 MB vs 312 MB) with no quality change: the model's architecture (ALBERT encoder + BiLSTM + ISTFTNet vocoder) runs identically at bf16 precision on Apple Silicon's native bf16 hardware.

Files

File Size SHA-256
model.safetensors 163,588,165 bytes (156.0 MB) 235a936cbf762c07625543eec9f76af08bb401151534e692307ecc3ce80c5818
config.json 2,351 bytes 5abb01e2403b072bf03d04fde160443e209d7a0dad49a423be15196b9b43c17f

Voice pack (voices-v1.0.bin, ~28 MB) is unchanged from the original and hosted at thewh1teagle/kokoro-onnx.

Provenance

  • Source: mlx-community/Kokoro-82M-bf16 @ a71e4d38
  • Original model: hexgrad/Kokoro-82M (Apache 2.0)
  • Conversion: F32 β†’ bfloat16 via mlx.core (no quantization, no pruning)
  • Every original F32 tensor verified as float32 before conversion
  • Original digests cross-checked against the pinned manifest

Usage with M1K3

These weights are used by M1K3's Kokoro neural voice (M1K3Kokoro target). The app loads them via MLX.loadArrays β€” dtype is handled transparently by mlx-swift.

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