API reference for Bytedance Seedance 2.0 Fast. ByteDance’s most advanced text-to-video model, fast tier. Lower latency and cost with cinematic output, native audio, multi-shot editing, and director-le
import fal_clientdef on_queue_update(update): if isinstance(update, fal_client.InProgress): for log in update.logs: print(log["message"])result = fal_client.subscribe( "bytedance/seedance-2.0/fast/text-to-video", arguments={ "prompt": "An octopus finds a football in the ocean and excitedly calls its octopus friends to come and play. Cut scene to an octopus football game under the sea." }, with_logs=True, on_queue_update=on_queue_update,)print(result)
A hyper-realistic medium shot of two women in their late 20s to early 30s sitting cross-legged on opposite ends of a deep charcoal sectional sofa in a cozy, lived-in apartment during a lazy Sunday afternoon, captured with a handheld camera feel as if a third friend is casually filming them; the firs…
Ultra high-end commercial product shot, photorealistic, 8K, cinematic lighting, macro detail, shallow depth of field, premium advertising aesthetic, dark chocolate bar snapping in half in slow motion, side macro, cocoa powder dust drifting, warm key light, deep brown backdrop, studio-grade color gra…
A breathtaking cinematic aerial sequence following an original majestic parrot flying freely above an immense tropical jungle at golden hour. The camera stays locked in a fast, fluid, graceful follow shot behind and around the bird, gliding effortlessly through the air with a sense of wonder, speed,…
Duration of the video in seconds. Supports 4 to 15 seconds, or auto to let the model decide based on the prompt. Default value: "auto"Possible values: auto, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
The aspect ratio of the generated video. Use 16:9 for landscape, 9:16 for portrait/vertical, 1:1 for square, 21:9 for ultrawide cinematic, or auto to let the model decide. Default value: "auto"Possible values: auto, 21:9, 16:9, 4:3, 1:1, 3:4, 9:16
Whether to generate synchronized audio for the video, including sound effects, ambient sounds, and lip-synced speech. The cost of video generation is the same regardless of whether audio is generated or not. Default value: true
{ "prompt": "An octopus finds a football in the ocean and excitedly calls its octopus friends to come and play. Cut scene to an octopus football game under the sea.", "resolution": "720p", "duration": "auto", "aspect_ratio": "auto", "generate_audio": true}
import fal_clientdef on_queue_update(update): if isinstance(update, fal_client.InProgress): for log in update.logs: print(log["message"])result = fal_client.subscribe( "bytedance/seedance-2.0/fast/image-to-video", arguments={ "prompt": "An octopus finds a football in the ocean and excitedly calls its octopus friends to come and play. Cut scene to an octopus football game under the sea.", "image_url": "https://v3b.fal.media/files/b/0a8eba37/Cqg-4Uwzyz4DELfceT1CF_a17e588773ec45b1a9e6f100a787b80b.jpg" }, with_logs=True, on_queue_update=on_queue_update,)print(result)
A shimmering underwater stage is set as eight octopi glide into view, ready to perform graceful formations. Tentacles intertwine in perfect harmony, showcasing the elegance of synchronized movement. Delight and wonder fill the space as these intelligent sea creatures dance, revealing a captivating w…
The URL of the image to use as the last frame of the video. When provided, the generated video will transition from the starting image to this ending image. Supported formats: JPEG, PNG, WebP. Max 30 MB.
Duration of the video in seconds. Supports 4 to 15 seconds, or auto to let the model decide based on the prompt. Default value: "auto"Possible values: auto, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
The aspect ratio of the generated video. Use 16:9 for landscape, 9:16 for portrait/vertical, 1:1 for square, 21:9 for ultrawide cinematic, or auto to infer from the input image. Default value: "auto"Possible values: auto, 21:9, 16:9, 4:3, 1:1, 3:4, 9:16
Whether to generate synchronized audio for the video, including sound effects, ambient sounds, and lip-synced speech. The cost of video generation is the same regardless of whether audio is generated or not. Default value: true
{ "prompt": "An octopus finds a football in the ocean and excitedly calls its octopus friends to come and play. Cut scene to an octopus football game under the sea.", "image_url": "https://v3b.fal.media/files/b/0a8eba37/Cqg-4Uwzyz4DELfceT1CF_a17e588773ec45b1a9e6f100a787b80b.jpg", "resolution": "720p", "duration": "auto", "aspect_ratio": "auto", "generate_audio": true}
import fal_clientdef on_queue_update(update): if isinstance(update, fal_client.InProgress): for log in update.logs: print(log["message"])result = fal_client.subscribe( "bytedance/seedance-2.0/fast/reference-to-video", arguments={ "prompt": "An octopus finds a football in the ocean and excitedly calls its octopus friends to come and play. Cut scene to an octopus football game under the sea." }, with_logs=True, on_queue_update=on_queue_update,)print(result)
A hyper-realistic UGC-style medium close-up of a woman in her late 20s standing in her sunlit bedroom in front of a slightly messy bed with white linen sheets, filmed vertically as if she’s holding her phone at arm’s length for a TikTok or Instagram Reel; she has shoulder-length honey blonde waves, …
Beautiful fusion of these two scenes. Mills stand against a rugged coastline, their large wooden wheels turned by the relentless surge of tidal waves combined with a field of wildflowers bathed in soft sunlight transitions into where monarch butterflies take flight.
Reference images to guide video generation. Refer to them in the prompt as @Image1, @Image2, etc. Supported formats: JPEG, PNG, WebP. Max 30 MB per image. Up to 9 images. Total files across all modalities must not exceed 12.
Reference videos to guide video generation. Refer to them in the prompt as @Video1, @Video2, etc. Supported formats: MP4, MOV. Up to 3 videos, combined duration must be between 2 and 15 seconds, total size under 50 MB. Each video must be between ~480p (640x640) and ~720p (834x1112) in resolution.
Reference audio to guide video generation. Refer to them in the prompt as @Audio1, @Audio2, etc. Supported formats: MP3, WAV. Up to 3 files, combined duration must not exceed 15 seconds. Max 15 MB per file.If audio is provided, at least one reference image or video is required.
Duration of the video in seconds. Supports 4 to 15 seconds, or auto to let the model decide based on the prompt. Default value: "auto"Possible values: auto, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
The aspect ratio of the generated video. Use 16:9 for landscape, 9:16 for portrait/vertical, 1:1 for square, 21:9 for ultrawide cinematic, or auto to let the model decide. Default value: "auto"Possible values: auto, 21:9, 16:9, 4:3, 1:1, 3:4, 9:16
Whether to generate synchronized audio for the video, including sound effects, ambient sounds, and lip-synced speech. The cost of video generation is the same regardless of whether audio is generated or not. Default value: true
{ "prompt": "An octopus finds a football in the ocean and excitedly calls its octopus friends to come and play. Cut scene to an octopus football game under the sea.", "image_urls": [ "https://v3b.fal.media/files/b/0a8eba37/Cqg-4Uwzyz4DELfceT1CF_a17e588773ec45b1a9e6f100a787b80b.jpg" ], "resolution": "720p", "duration": "auto", "aspect_ratio": "auto", "generate_audio": true}