{"version":"1","model":{"id":"fal-ai/hunyuan-video/video-to-video","name":"Hunyuan V2V","kind":"video","availability":"available","available":true,"restricted":false,"api_key_only":false,"description":"Tencent Hunyuan video-to-video style transfer — restyle existing footage with a text prompt while preserving motion structure. Pro mode doubles inference steps for higher quality.","pricing_note":"$0.40 flat per video ($0.80 with Pro Mode).","categories":["v2v"],"prompt_required":true,"prompt_supported":true,"supports":{"referenceVideo":true},"requires":{"referenceVideo":true},"aspect_ratios":["16:9","9:16"],"resolutions":["480p","580p","720p"],"durations":[],"base_credits":50,"api_gross_margin_percent":20,"added_at":"2026-05-09","popularity_rank":276,"example_prompt":"Studio Ghibli anime style, soft watercolour backgrounds, clean linework, cherry blossom petals shimmering in dreamy pastel light","preview":{"video":"https://cdn.artemotion.ai/file/artemotion-ai-bckt/model-previews/hunyuan-v2v-after-sm.mp4"},"schema_url":"/api/v1/models?id=fal-ai%2Fhunyuan-video%2Fvideo-to-video","input_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","$id":"https://www.artemotion.ai/api/v1/models?id=fal-ai%2Fhunyuan-video%2Fvideo-to-video","title":"Hunyuan V2V generation request","description":"Request body accepted by POST /api/v1/generate for fal-ai/hunyuan-video/video-to-video.","type":"object","properties":{"model_id":{"type":"string","const":"fal-ai/hunyuan-video/video-to-video","description":"ArtEmotion model identifier."},"extra":{"type":"object","additionalProperties":true,"description":"Model-specific settings may also be nested here."},"max_credits":{"type":"number","minimum":1,"description":"Reject before submission if the estimated list price exceeds this cap."},"webhook_url":{"type":"string","format":"uri","maxLength":2048},"webhook_secret":{"type":"string","maxLength":512},"folder_id":{"type":"string"},"prompt":{"type":"string"},"num_frames":{"title":"Num Frames","description":"The number of frames to generate.","default":129,"type":"number","enum":[129,85]},"strength":{"title":"Strength","description":"Strength for Video-to-Video","default":0.85,"type":"number","minimum":0.01,"maximum":1,"multipleOf":0.01},"pro_mode":{"title":"Pro Mode","description":"By default, generations are done with 35 steps. Pro mode does 55 steps which results in higher quality videos but will take more time and cost 2x more","default":false,"type":"boolean"},"seed":{"title":"Seed","description":"The seed to use for generating the video.","type":"integer"},"enable_safety_checker":{"title":"Enable Safety Checker","description":"Run the input safety checker before generation.","default":false,"type":"boolean"},"aspect_ratio":{"type":"string","enum":["16:9","9:16"]},"resolution":{"type":"string","enum":["480p","580p","720p"]},"video_url":{"type":"string","format":"uri"}},"required":["model_id","prompt","video_url"],"additionalProperties":false},"parameters":[{"key":"num_frames","label":"Num Frames","type":"select","default":129,"options":["129","85"],"description":"The number of frames to generate."},{"key":"strength","label":"Strength","type":"number","default":0.85,"min":0.01,"max":1,"step":0.01,"description":"Strength for Video-to-Video"},{"key":"pro_mode","label":"Pro Mode","type":"toggle","default":false,"description":"By default, generations are done with 35 steps. Pro mode does 55 steps which results in higher quality videos but will take more time and cost 2x more"},{"key":"seed","label":"Seed","type":"seed","description":"The seed to use for generating the video."},{"key":"enable_safety_checker","label":"Enable Safety Checker","type":"toggle","default":false,"description":"Run the input safety checker before generation."}]}}