ACE Step — Pro Pack on RunComfy Tag-driven music generation, inpainting, and outpainting with StepFun-AI's ACE Step open-weights model. Four CLI-reachable endpoints, $0.0002–0.0003 per second of audio, up to 4 minutes per call. runcomfy.com · ACE Step base · ACE Step 1.5 · CLI docs Install this skill Powered by the RunComfy CLI Step 1 — install (one of, see the skill for details): Step 2 — sign in (or set env var in CI / containers): Step 3 — generate : CLI deep dive: skill. --- Pick the right endpoint Listed newest first. ACE Step 1.5 (text-to-audio) — Latest ACE Step generation. 50+ languag…