{"type":"post","id":"ace-step-1-5-is-an-open-source-5736d6","slug":"ace-step-1-5-is-an-open-source-5736d6","title":"ACE-Step 1.5 is an open-source text-to-music foundation model from ACE Studio and StepFun, available on Hugging Face under Apache-2.0.","description":"Comfy-Org’s Hugging Face repository repackages ACE-Step 1.5 model files for ComfyUI and links to workflows for text-to-music generation.","retrieval_nugget":"Comfy-Org’s Hugging Face repository repackages ACE-Step 1.5 model files for ComfyUI and links to workflows for text-to-music generation. For builders, the practical change is a more direct local setup path—not a hosted inference service or a newly announced model capability. It provides a concrete collection of components to test in an existing ComfyUI environment.","published_at":"2026-11-14","updated_at":"2026-11-14","record_date":"2026-11-14","date_kind":"published_at","topics":["generative-media","open-models","open-source"],"entities":["Comfy-Org","ACE-Step 1.5","ComfyUI","Hugging Face"],"related_patterns":["generative-media-becomes-application-infrastructure"],"novelty_label":"new_fact","what_changed":"ACE-Step 1.5 is also available on Hugging Face under an Apache-2.0 license, in a ComfyUI-repackaged repository.","prior_refs":["https://newruntime.com/posts/ace-step-1-5-the-most-powerful-local-c356d6/"],"source_url":"https://huggingface.co/Comfy-Org/ACE-Step-1.5","source_urls":["https://huggingface.co/Comfy-Org/ACE-Step-1.5"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:ace-step-1-5-is-an-open-source-5736d6","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/ace-step-1-5-is-an-open-source-5736d6/","markdown":"https://newruntime.com/posts/ace-step-1-5-is-an-open-source-5736d6.md","json":"https://newruntime.com/posts/ace-step-1-5-is-an-open-source-5736d6.json"},"markdown_url":"https://newruntime.com/posts/ace-step-1-5-is-an-open-source-5736d6.md","next_reads":[{"type":"topic","path":"/topics/generative-media/","url":"https://newruntime.com/topics/generative-media/","title":"Generative Media","reason":"Explore the generative-media topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/generative-media.md","json_url":"https://newruntime.com/topics/generative-media.json"},{"type":"topic","path":"/topics/open-models/","url":"https://newruntime.com/topics/open-models/","title":"Open Models","reason":"Explore the open-models topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/open-models.md","json_url":"https://newruntime.com/topics/open-models.json"},{"type":"topic","path":"/topics/open-source/","url":"https://newruntime.com/topics/open-source/","title":"Open Source","reason":"Explore the open-source topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/open-source.md","json_url":"https://newruntime.com/topics/open-source.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/sources/","url":"https://newruntime.com/sources/","title":"Sources","reason":"See the original sources this archive cites.","media_type":"text/html"}]}