ACE-Step 1.5 is Now Available in ComfyUI

ACE-Step 1.5, a significant update to the open-source music generation model, is now integrated into ComfyUI, offering commercial-grade music creation capabilities on consumer hardware. This update introduces a hybrid architecture where a Language Model plans song structures and a Diffusion Transformer handles audio synthesis, enabling the generation of full songs in under 10 seconds on standard GPUs like the RTX 3090. The model supports over 50 languages and uses Chain-of-Thought reasoning for enhanced musical coherence, achieving high scores on evaluation metrics. It allows for personalization through LoRA training, enabling users to fine-tune the model using their own music while maintaining data privacy. With innovations like Distribution Matching Distillation and Intrinsic Reinforcement Learning, ACE-Step 1.5 ensures fast generation and quality alignment without external bias. Additional features include the ability to reimagine existing tracks with new styles and selectively edit song segments, all while running efficiently on consumer-grade hardware.

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