models/ByteDance/Bytedance Seedance 2.0 Fast (Text To Video)

Bytedance Seedance 2.0 Fast (Text To Video)

video

Faster variant of ByteDance's Seedance 2.0 video model. Trades some quality for speed while sharing the same multimodal architecture. Supports text-to-video, image-to-video, native audio generation, multimodal references (images, videos, audio), video editing, and video extension.

Bytedance Seedance 2.0 Fast (Text To Video) (bytedance/seedance-2.0-fast) is a video model from ByteDance, released 2026-05-17. Pricing via AIgateway: $0.011 per second. Call it via https://api.aigateway.sh/v1/videos/generations — set model="bytedance/seedance-2.0-fast". Best for: Ads, Storyboards, Demos.

slug · bytedance/seedance-2.0-fastprovider · ByteDancereleased · 2026-05-17

Use this model

model: bytedance/seedance-2.0-fast
curl https://api.aigateway.sh/v1/videos/generations \
  -H "Authorization: Bearer $AIGATEWAY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"bytedance/seedance-2.0-fast","prompt":"a slow drone shot over a mountain lake"}'

Capabilities

Strengths

  • Text-to-video generation
  • Cinematic motion

Use cases

AdsStoryboardsDemos

Pricing

Per video second$0.011
You pay pass-through · 5% applied at credit top-up, not per-call.
Try in playground →CompareAPI referenceSee usage ranking →

Collections

More video models →More from ByteDanceFrontier models →Free-tier models →
API schema

Call Bytedance Seedance 2.0 Fast (Text To Video) from any OpenAI SDK

POST https://api.aigateway.sh/v1/videos/generations·Content-Type: application/json·Auth: Bearer sk-aig-...

Request body

json
{
  "model": "bytedance/seedance-2.0-fast",
  "prompt": "A drone shot of a mountain lake at golden hour",
  "duration": 5,          // seconds
  "aspect_ratio": "16:9"
}

// Response is an async job — poll /v1/jobs/<id> until status === "completed".

Response

json
{
  "id": "job_abc123",
  "status": "queued",        // queued | processing | completed | failed
  "model": "bytedance/seedance-2.0-fast",
  "created": 1776947082
}

// After completion:
{
  "id": "job_abc123",
  "status": "completed",
  "result": {
    "url": "https://media.aigateway.sh/video/abc123.mp4",
    "duration": 5,
    "resolution": "1920x1080"
  }
}

Quickstart

# See docs at https://aigateway.sh/docs

Errors

401authentication_errorInvalid or missing API key
402insufficient_creditsWallet empty (PAYG only)
404not_foundUnknown model or endpoint
429rate_limit_errorOver per-minute limit — see Retry-After header
500server_errorUpstream provider failed (retryable)
503service_unavailableUpstream saturated (retryable)
Full docs →API reference →OpenAPI spec →llms.txt →

Frequently asked questions

What is Bytedance Seedance 2.0 Fast (Text To Video)?
Faster variant of ByteDance's Seedance 2.0 video model. Trades some quality for speed while sharing the same multimodal architecture. Supports text-to-video, image-to-video, native audio generation, multimodal references (images, videos, audio), video editing, and video extension. It is a video model from ByteDance, accessible via AIgateway's OpenAI-compatible API at slug bytedance/seedance-2.0-fast.
How much does Bytedance Seedance 2.0 Fast (Text To Video) cost via AIgateway?
Pass-through pricing plus a 5% platform fee applied at top-up. See the pricing panel on this page for exact rates.
How do I call Bytedance Seedance 2.0 Fast (Text To Video) from my code?
Point the OpenAI SDK at https://api.aigateway.sh/v1 with your AIgateway key and set model to "bytedance/seedance-2.0-fast". The request and response shapes match OpenAI exactly.
Does Bytedance Seedance 2.0 Fast (Text To Video) support streaming, tool calling, vision, and JSON mode?
Streaming — no. Tool calling — no. Vision — no. JSON mode — no. Prompt caching — no.
What are the best use cases for Bytedance Seedance 2.0 Fast (Text To Video)?
Ads, Storyboards, Demos. Key strengths: Text-to-video generation; Cinematic motion.
Can I bring my own ByteDance API key (BYOK)?
Yes. Attach a ByteDance key in your AIgateway dashboard and this model flips to pass-through — you pay ByteDance directly and AIgateway waives the 5% platform fee on those calls.