{"models":[{"id":"fal/kling-o3-4k","type":"video","name":"Kling O3 4K","model_id":"fal-ai/kling-video/o3/4k","capabilities":["video_generation","image_to_video","reference_images","last_frame","audio"],"speed":"slow","quality":"best","context_window":0,"description":"Kuaishou Kling O3 (Omni line) in native 4K, served via fal. One id covers text-, image- and reference-to-video: reference images select reference-to-video, a source image selects image-to-video, otherwise text-to-video.\nAudio is OFF by default here (unlike Kling 3.0); the 4K rate is the same with or without audio. Richer per-subject control rides through parameters.elements (each {frontal_image_url, reference_image_urls:[...], voice_id} or {video_url}), cited in the prompt as @Element1, @Element2.","params":{"video":{"aspect_ratios":["16:9","9:16","1:1"],"max_duration":15,"parameters":[{"name":"duration","type":"string","description":"Clip length in seconds (3-15); default 5.","example":"5"},{"name":"generate_audio","type":"boolean","description":"Generate native audio for the clip. Off by default; the 4K rate is the same with or without audio."},{"name":"shot_type","type":"string","description":"Shot structure. 'intelligent' lets the model decide; 'customize' follows your prompt.","enum":["customize","intelligent"]},{"name":"multi_prompt","type":"array","description":"List of per-shot prompts for multi-shot generation. Cannot be combined with a single prompt."}]}},"pricing":{"billing_unit":"per_second","rates":[{"unit":"per_second","amount":0.42}],"price_per_second":0.42},"region":"US","model":"kling-o3-4k","family":"kling-o3-4k","pooled":true,"provider":{"slug":"fal","display_name":"fal.ai","owner_country":"US"},"service_route":{"id":"fal/api-us","adapter":"fal"},"maker":{"slug":"kuaishou","display_name":"Kuaishou","country":"CN"},"compliance":{"residency":"US","country":"United States","inference_location":"US","zdr":{"logging":true,"moderation":true,"caching":null,"training":false,"subprocessors":null},"training":"no","logging":"abuse_monitoring","moderation":"default_on","caching":"unknown","content_storage":"retained","dpa_available":true,"third_party_access":true,"transfer_mechanism":"sccs","route_id":"fal/api-us"}}],"total":1,"offset":0,"limit":50}