feat: add @ai-sdk/bytedance provider for Seedance video generation#12044
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feat: add @ai-sdk/bytedance provider for Seedance video generation#12044
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## Background
Vertex AI video generation was broken - the operation polling URL was
incorrect, causing all video generation requests to fail after the
initial request succeeded.
## Summary
- Fixed polling to use `POST /models/{modelId}:fetchPredictOperation`
with `{ operationName }` in body
- Previously used `GET /v1beta1/{operationName}` which returned 404
- Moved `vertex-veo.ts` example out of `later/` folder and removed "NOT
WORKING" warning
## Manual Verification
- Ran `pnpm tsx src/generate-video/vertex-veo.ts` and confirmed video
generation polling now works
## Checklist
- [x] Tests have been added / updated (for bug fixes / features)
- [x] I have reviewed this pull request (self-review)
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
Add new provider package for ByteDance/Seedance video models via BytePlus API. Supports text-to-video and image-to-video with async polling.
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ByteDance video model uses Node.js-specific Buffer.from() API which is unavailable in edge runtime environments.
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Coincidentally, we're discussing video generation. Perhaps you could use my video-generation code to integrate it with the new AI SDK generate video function. That code already includes providers for ByteDance, Alibaba/Wan, Minimax with duration, resolution, and aspectRatio parameters. |
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February 1, 2026 06:41
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Continuing work in #12188 |
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Background
ByteDance offers Seedance video generation models through the BytePlus/ModelArk API. This PR adds support for these models via a new
@ai-sdk/bytedanceprovider package, enabling users to generate videos usingexperimental_generateVideo.Summary
@ai-sdk/bytedanceprovider packageVideoModelV3interface with async polling patternprompt,aspectRatio,duration,seed,resolutionwatermark,generateAudio,pollIntervalMs,pollTimeoutMsexamples/ai-functions/src/generate-video/bytedance-seedance.tsManual Verification
Tested end-to-end video generation with the Seedance 1.5 Pro model: