ACE-Step-1.5 vs ColossalAI
ACE-Step-1.5 and ColossalAI share 17 technologies: FastAPI, uvicorn, Gradio, Rich, matplotlib, accelerate, torchvision, torch, transformers, einops, peft, flash-attn, safetensors, torchaudio, triton, diffusers, and ModelScope. Both are written in Python.
LinkedInWhat they share and what sets them apart
ace-step
ACE-Step-1.5
The most powerful local music generation model that outperforms almost all commercial alternatives, supporting Mac, AMD, Intel, and CUDA devices.
Python14.5kRead on November 9, 2026, at commit ca1e85fWhat is ACE-Step-1.5 built with?Only in ACE-Step-1.5
- diskcache
- Lightning
- Textual
- triton-windows
mlx
- vector-quantize-pytorch
torchao
- mlx-lm
- torchcodec
loguru
In common
hpcaitech
ColossalAI
Making large AI models cheaper, faster and more accessible
Python41.4kRead on November 6, 2026, at commit da8f5c2What is ColossalAI built with?Only in ColossalAI
Side by side
ACE-Step-1.5ColossalAI
SizeLines written by people and agents, without generated ones; code files, without tests.
ACE-Step-1.5126,537 lines written410 code files
ColossalAI317,403 lines written974 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
ACE-Step-1.535.8% of its commits signed by AIWith Claude Code, GitHub Copilot, Cursor, Codex, Jules, and CodeRabbit
ColossalAI0.3% of its commits signed by AIWith Codex and Claude Code
ActivityFrom GitHub and its history, on the day SeeRepo read it.
ACE-Step-1.5Last push November 8, 20261,104 commits14,532 stars
ColossalAILast push November 6, 20263,887 commits41,430 stars
TestsThe files that test the code, and the share of code files a test imports.
ACE-Step-1.5190 test files46.8% of its code files have a test that imports them
ColossalAI505 test files1.1% of its code files have a test that imports them
Frequently asked questions
Which is bigger, ACE-Step-1.5 or ColossalAI?
ColossalAI, with 317,403 lines written; ACE-Step-1.5 has 126,537.
Which has more GitHub stars, ACE-Step-1.5 or ColossalAI?
ColossalAI, with 41,430 stars; ACE-Step-1.5 has 14,532.
The proof: hpcaitech/ColossalAI on GitHub
Which has more tests, ACE-Step-1.5 or ColossalAI?
ColossalAI, with 505 test files; ACE-Step-1.5 has 190.
Which was updated more recently, ACE-Step-1.5 or ColossalAI?
ACE-Step-1.5: its last push was on November 8, 2026, and ColossalAI's on November 6, 2026.
The proof: ace-step/ACE-Step-1.5's commits on GitHub
Which has more commits signed by AI, ACE-Step-1.5 or ColossalAI?
ACE-Step-1.5: an AI signed 35.8% of its commits, with Claude Code, GitHub Copilot, Cursor, Codex, Jules, and CodeRabbit; in ColossalAI, 0.3%.
The proof: the commits each tool signed in ace-step/ACE-Step-1.5
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