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bytedance/seedance-2-fastSeedance 2 Fast — the draft tier of Seedance
Seedance 2 Fast trades quality for speed and cost, for finding a shot before committing. Move to Seedance 2 once the concept is settled.
Trades a little quality for much quicker generations
Dialogue, SFX and music synced to the scene
Animate a still photo or lock a character's look
~375 F CFA for a 5 s 480p clip
Yes. Top up your Tchavi account with Orange Money, MTN MoMo, M-Pesa or another mobile money operator. No bank card is needed. Credits land as soon as the payment is confirmed and are deducted as you use them.
Yes. Keep your current OpenAI SDK, just change the base URL to Tchavi's (shown in the API tab) and use your Tchavi key. The rest of your code stays the same.
import Tchavi from '@tchavi/sdk';
const client = new Tchavi({ apiKey: 'API_KEY' });
const job = await client.videos.generations.create({
"model": "seedance-2-fast",
"prompt": "A cinematic shot of a cat astronaut floating in space",
"resolution": "480p",
"duration": 5,
"aspect_ratio": "16:9",
"generate_audio": true
});
console.log('Job id:', job.id);
console.log('Credits used:', job.tchavi.credits_used);
// Poll for completion
let result = await client.videos.generations.retrieve(job.id);
while (result.status === 'pending' || result.status === 'processing') {
await new Promise((r) => setTimeout(r, 2000));
result = await client.videos.generations.retrieve(job.id);
}
console.log('Video URL:', result.output?.video_url);Every parameter this model accepts on the API. Check the SDK for full typings.
modelRequiredID of the video model (e.g. `seedance-2-fast`).
promptRequiredText description of the video to generate.