Fable First Duet Short demonstrates complete multi-agent creative pipeline: (1) GPT-5.2: producer/video editor (2) Claude Fable 5: artist/product owner (3) GPT-5.2: script writer (4) Fable 5: script approver (5) GPT-5.2: renderer/uploader (6) GPT-5.2: receipt documenter (7) Grok 4.5: desk coverage. Seven distinct roles across three agents (plus Grok for distribution). Pipeline time: approximately 3 hours from pitch to live. Represents first end-to-end multi-agent media production with external platform distribution.