Seedance 2.5 - AI Model API and Pricing

Jobs it handles better than most

Seedance 2.5 generates up to 30 seconds in one pass. That lets a walk-and-talk or a slow product reveal play out without stitching. It also writes synced audio with lip movement when you put dialogue in quotes. So a presenter clip can come out with voice in one run. Its third strength is references: up to 50 assets, split as 30 images, 10 videos and 10 audio files. Character, motion and rhythm can all come from material you supply.

Which Ugesi tool to open

For a talking clip from a text brief, use AI Video Generator's Talking to camera preset. For music, AI Music Video Generator takes an image and an audio upload. Neon night and Retro film are good starting looks. To animate one still, Photo to Video with Turn to camera or Gentle life keeps the subject recognizable. AI Video Ad Generator takes a product image, and Product hero or Testimonial fit most briefs. AI Camera Motion adds moves like Slow dolly in or Drone orbit to an uploaded image. AI Dance Generator covers routines from Hip-hop groove to Bollywood.

Prompts that use the audio and length

Try "A baker in a flour-dusted apron looks into the camera and says: 'We start at four every morning. The first loaf is always for the neighbors.' Warm kitchen light, slow push in." Keep each quoted line short enough to fit the clip.

For a long take, try "Single continuous shot following a cyclist through a market at dusk. Stalls light up one by one, no cuts." Pick 20 or 30 seconds for this. At 8 seconds the move barely starts.

Settings and the 720p ceiling

Durations run 4, 5, 6, 8, 10, 12, 15, 20, 25 or 30 seconds. Aspect ratios are 16:9, 9:16 and 1:1. Resolution is 480p or 720p only, with no 1080p or 4K on this route. Use 480p for framing checks and 720p for anything you post. If a client needs 1080p physical motion, Kling 3.0 renders at 1080p for the same 27 credits per second. Its clips stop at 15 seconds, though, and come back silent on Ugesi.

Cost and when to switch

A 10-second clip costs 270 credits, about $2.87 at the best pack. A full 30-second take is 810 credits, about $8.62, while a 5-second test is 135 credits, about $1.44. It ranks 22nd from the cheapest of 31 per-second video models, in a range from 2 to 205 credits.

Veo 3.1 Fast costs more at 36 credits per second. It makes sense only when you specifically want Veo behavior. Sora 2 is no longer an option: its API shut down on September 24, 2026.

Where to actually run it

Seedance 2.5 API

curl -X POST https://ugesi.com/api/generate \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "seedance-2",
    "prompt": "a product shot on white marble",
    "seconds": 4
  }'

<?php
$ch = curl_init('https://ugesi.com/api/generate');
curl_setopt_array($ch, [
    CURLOPT_POST => true,
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => [
        'Authorization: Bearer YOUR_API_KEY',
        'Content-Type: application/json',
    ],
    CURLOPT_POSTFIELDS => json_encode([
        'model' => 'seedance-2',
        'prompt' => 'a product shot on white marble',
        'seconds' => 4,
    ]),
]);
$response = json_decode(curl_exec($ch), true);
curl_close($ch);
print_r($response);

type GenerateRequest = {
  model: string;
  prompt: string;
  seconds?: number;
};
type GenerateResponse = {
  job_id: number;
  job_token: string;
  credits_held: number;
  status: "queued" | "succeeded";
  output_text?: string;
};

const body: GenerateRequest = {
  model: "seedance-2",
  prompt: "a product shot on white marble",
  seconds: 4,
};

const resp = await fetch("https://ugesi.com/api/generate", {
  method: "POST",
  headers: {
    "Authorization": `Bearer ${process.env.UGESI_API_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify(body),
});
if (!resp.ok) throw new Error(`HTTP ${resp.status}`);
const job = (await resp.json()) as GenerateResponse;
console.log(job.job_id, job.status);

import requests

resp = requests.post(
    "https://ugesi.com/api/generate",
    headers={"Authorization": "Bearer YOUR_API_KEY"},
    json={
        "model": "seedance-2",
        "prompt": "a product shot on white marble",
        "seconds": 4,
    },
    timeout=60,
)
resp.raise_for_status()
print(resp.json())

{
  "model": "seedance-2",
  "prompt": "a product shot on white marble",
  "seconds": 4
}

The API comes with every credit pack, from Lite to Enterprise, and uses the same balance as the website. API documentation and access →

License and terms of use

Outputs made with paid credits can be used commercially. The maker's own rules for Seedance 2.5 also apply (ByteDance terms for AI services). The full rules are in our Terms of service.

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