ACE-Step-1.5 vs ray

ACE-Step-1.5 and ray share 19 technologies: FastAPI, diskcache, Lightning, uvicorn, Textual, Gradio, Rich, matplotlib, accelerate, torchvision, torch, transformers, einops, peft, safetensors, torchaudio, triton, diffusers, and torchcodec. Both are written in Python.

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What 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

In common

ray-project

ray

Ray is an AI compute engine. Ray consists of a core distributed runtime and a set of AI Libraries for accelerating ML workloads.

Python44.2kRead on November 6, 2026, at commit 77567c5What is ray built with?

Only in ray

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
ACE-Step-1.5126,537 lines written410 code files
ray1,531,664 lines written2,777 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
ray3.6% of its commits signed by AIWith Claude Code, Gemini CLI, GitHub Copilot, Cursor, and Codex
ActivityFrom GitHub and its history, on the day SeeRepo read it.
ACE-Step-1.5Last push November 8, 20261,104 commits14,532 stars
rayLast push November 6, 202632,373 commits44,213 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
ray2,168 test files9.7% of its code files have a test that imports them

Frequently asked questions

Which is bigger, ACE-Step-1.5 or ray?
ray, with 1,531,664 lines written; ACE-Step-1.5 has 126,537.

The proof: ray-project/ray's code at commit 77567c5

Which has more GitHub stars, ACE-Step-1.5 or ray?
ray, with 44,213 stars; ACE-Step-1.5 has 14,532.

The proof: ray-project/ray on GitHub

Which has more tests, ACE-Step-1.5 or ray?
ray, with 2,168 test files; ACE-Step-1.5 has 190.

The proof: ray-project/ray's code at commit 77567c5

Which was updated more recently, ACE-Step-1.5 or ray?
ACE-Step-1.5: its last push was on November 8, 2026, and ray'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 ray?
ACE-Step-1.5: an AI signed 35.8% of its commits, with Claude Code, GitHub Copilot, Cursor, Codex, Jules, and CodeRabbit; in ray, 3.6%.

The proof: the commits each tool signed in ace-step/ACE-Step-1.5

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