Official input constraint planner

Reference-to-Video Input Planner

Check your Ref2VA set before opening ComfyUI: up to 9 images, 3 videos and 3 audio files, with a 12-file mixed limit. Audio cannot be the only reference input.

Evidence checked August 11, 2026
Your constraint check and ordered role outline will appear here.
9

images maximum

3 + 3

videos + audio maximum

12

mixed files maximum