ACE-Step 1.5 XL Base BF16

This repository contains a BF16 safetensors package of ACE-Step/acestep-v15-xl-base.

It keeps the standard ACE-Step / Transformers AutoModel.from_pretrained(..., trust_remote_code=True) layout and does not require Optimum Quanto or any custom quantization loader.

Files

• model-00001-of-00004.safetensors through model-00004-of-00004.safetensors - BF16 model shards
• model.safetensors.index.json - shard index
• config.json and ACE-Step custom model code
• silence_latent.pt - ACE-Step sidecar tensor from the source repo
• bf16_summary.json - conversion metadata

Load

from transformers import AutoModel

model = AutoModel.from_pretrained(
    "./acestep-v15-xl-base-bf16",
    trust_remote_code=True,
    attn_implementation="sdpa",
    dtype="auto",
)
model.eval()