What is Seedance 2.0 Fast API?
Seedance 2.0 Fast is available through AIMLAPI.
Technical Specifications
- Supported inputs: Image, Text, Video
- Output: Video
Performance Benchmarks
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Seedance 2.0 Fast API Pricing
- Pricing on request
Where to Use Seedance 2.0 Fast
Short-form video generation
Create clips for social, ads, and product demos from text or image prompts.
Previsualization and storyboards
Rapidly prototype motion concepts before committing to production.
Measured on the AI/ML API gateway across live traffic. Figures are medians unless stated. Last updated 2026-10-12.
Seedance 2.0 Fast is documented for text-to-video generation, where a text prompt is turned into a video clip. It is also documented for image-to-video generation, animating a still image into video.
It is documented for reference-to-video workflows, where reference inputs are used to guide video generation. It is also documented for video editing and video extension use cases.
import requests, time headers = {"Authorization": "Bearer " + AIMLAPI_KEY} job = requests.post( "https://api.aimlapi.com/v2/video/generations", headers=headers, json={ "model": "bytedance/seedance-2-0-fast", "prompt": "A serene timelapse of clouds over a mountain range" }, ).json() gid = job["id"] while True: res = requests.get(f"https://api.aimlapi.com/v2/video/generations?generation_id={gid}", headers=headers).json() if res.get("status") in ("completed", "error"): break time.sleep(5) print(res["video"]["url"])
const headers = { Authorization: `Bearer ${process.env.AIMLAPI_KEY}`, "Content-Type": "application/json", }; const job = await (await fetch("https://api.aimlapi.com/v2/video/generations", { method: "POST", headers, body: JSON.stringify({ "model": "bytedance/seedance-2-0-fast", "prompt": "A serene timelapse of clouds over a mountain range" }), })).json(); let res; do { await new Promise((r) => setTimeout(r, 5000)); res = await (await fetch(`https://api.aimlapi.com/v2/video/generations?generation_id=${job.id}`, { headers })).json(); } while (!["completed", "error"].includes(res.status)); console.log(res.video.url);
# submit the generation — the response contains the job "id" curl -X POST https://api.aimlapi.com/v2/video/generations \ -H "Authorization: Bearer $AIMLAPI_KEY" \ -H "Content-Type: application/json" \ -d '{"model":"bytedance/seedance-2-0-fast","prompt":"A serene timelapse of clouds over a mountain range"}' # then poll until status is "completed" — video.url holds the result curl "https://api.aimlapi.com/v2/video/generations?generation_id={id}" -H "Authorization: Bearer $AIMLAPI_KEY"
OpenAI-compatible — swap the base URL and it works with your existing SDK.
| Type | Price |
|---|---|
| Output | |
Pricing varies by resolution and duration. Up to 15s per generation
| Model | Input | Output | Context | Best for |
|---|---|---|---|---|
Seedance 2.0 Fast This page | Fast, high-volume video generation | |||
| Cinematic video + native audio | ||||
| Video generation | ||||
| Image generation at scale |
Seedance 2.0 Fast takes image, text, video as input and returns video.
Seedance 2.0 Fast is priced at $0.07436–$0.16003 / sec (by resolution).
Seedance 2.0 Fast is billed per generation — a fixed charge per output rather than by prompt length.
Yes, Seedance 2.0 Fast accepts image input as well as a text prompt.
Seedance 2.0 Fast was built by ByteDance.
Use bytedance/seedance-2-0-fast as the model id on AI/ML API.
Yes. Seedance 2.0 Fast is served through AI/ML API, so the same key and endpoint format used for other models applies.
Yes, it includes native audio generation with lip-sync capability.
It supports 16:9, 9:16, and 1:1 aspect ratios.
Clips can range from 4 to 15 seconds in length.