OpenAI/LaoZhang — Prompt parsing, viral script, topic research, retention analysis, language cloning
Replicate/fal.ai — Sketch images (Flux+ControlNet), AnimateDiff animation
ElevenLabs — Multilingual TTS, sound effects, background music
Shotstack — Cloud video rendering (images+audio+subtitles → MP4)
Whisper — Transcription for subtitle timing (via OpenAI)