---
title: "Ace Step V1 3.5b in ComfyUI"
description: "Ace Step V1 3.5b is an all-in-one checkpoint model that bundles a diffusion model, text encoder, and VAE."
canonical: https://comfy.org/p/supported-models/ace-step-v1-3-5b
lang: en
index: https://comfy.org/llms.txt
---

# Ace Step V1 3.5b in ComfyUI

Ace Step V1 3.5b is an all-in-one checkpoint model that bundles a diffusion model, text encoder, and VAE. You can run it locally in ComfyUI with full control over every parameter, or access it through Comfy Cloud. ComfyUI's node-based workflow editor lets you connect Ace Step V1 3.5b with ControlNets, LoRAs, upscalers, and custom nodes to build any pipeline you need. There are 3 community workflow templates using Ace Step V1 3.5b on Comfy Workflows, ready to load and customize.

## Facts

- Type: Checkpoint
- Pricing: free to run locally on your own hardware; on Comfy Cloud it meters as GPU time at the published Cloud GPU rate: https://docs.comfy.org/tutorials/partner-nodes/pricing#cloud-gpu
- Community workflow templates: 3
- Weights: https://huggingface.co/Comfy-Org/ACE-Step_ComfyUI_repackaged/resolve/main/all_in_one/ace_step_v1_3.5b.safetensors?download=true
- Tutorial: https://docs.comfy.org/tutorials/audio/ace-step/ace-step-v1

## How to run Ace Step V1 3.5b

1. Locally in ComfyUI — open source, free on your own hardware: https://comfy.org/download
2. On Comfy Cloud — hosted GPUs, every parameter still exposed: https://cloud.comfy.org
3. Start from a community workflow template and adjust it node by node: https://www.comfy.org/workflows/model/ace-step
4. From your own application with the Comfy SDKs (Python and TypeScript, beta): https://docs.comfy.org/development/api-development/sdks.md
5. From a terminal or a coding agent with Comfy CLI, which runs workflows on Comfy Cloud or a local ComfyUI: https://docs.comfy.org/agent-tools/cli.md
6. From Claude Code, Cursor, or Codex over Comfy MCP at https://cloud.comfy.org/mcp: https://docs.comfy.org/agent-tools/mcp.md

This page as HTML: https://comfy.org/p/supported-models/ace-step-v1-3-5b
Full model catalog: https://comfy.org/p/supported-models/llms.txt