ByteDance models API
Call 17 ByteDance models through one PopNow API key: Seedance 2.5, Seedream 5.0 Pro, and Seed Audio 1.0. Prices start at $0.026 per image. Many are up to 30% below ByteDance's own list price.
- models
- 17
- endpoints
- 43
- starting price, per image
- $0.026
- max saving vs list price
- 30%
ByteDance models
- Seedance 2.5
bytedance/seedance-2.5/text-to-videoByteDance's newest: 30-second clips with native audioVideoUp to 1080p4–30s clipsSound includedFrom$0.369for a 5-second clip - Seedream 5.0 Pro
bytedance/seedream-5.0-pro/text-to-image−20%High-detail images and edits from up to ten referencesImageUp to 2KUp to 10 reference images15 aspect ratiosFrom$0.036$0.045per image - Seed Audio 1.0
bytedance/seed-audio-1.0/text-to-audioMulti-voice audio scenes with music and effectsAudioFrom$0.36per run - Seedream 5.0 Flash
bytedance/seedream-5.0-flash/text-to-imageQuick Seedream images, edits and layer splits up to 2KImageUp to 2KUp to 10 reference images15 aspect ratiosFrom$0.026per image - Seedance 2.0 Mini
bytedance/seedance-2.0-mini/text-to-videoLightweight Seedance for quick 720p drafts with soundVideoUp to 720p4–15s clipsSound includedFrom$0.05485for a 5-second clip - Seed Speech 2.0
bytedance/seed-speech-2.0/text-to-speech41 voices with tone set in plain languageAudio41 voices10 languagesFrom$0.072per 1,000 characters - Seedream 5.0 Lite
bytedance/seedream-5.0-lite/text-to-imageFixed-size 2K frames that keep a series consistentImageUp to 10 reference imagesFrom$0.0345per image - Seedance 2.0
bytedance/seedance-2.0/text-to-videoCinematic clips up to 4K with native audioVideoUp to 4K4–15s clipsSound includedFrom$0.2155for a 5-second clip - Seedance 2.0 Fast
bytedance/seedance-2.0-fast/text-to-videoFaster Seedance 2.0 with sound at 720pVideoUp to 720p4–15s clipsSound includedFrom$0.1127for a 5-second clip - Seedance 1.5 Pro
bytedance/seedance-1.5-pro/text-to-videoNative-audio clips with an optional locked cameraVideoUp to 1080p4–12s clipsSound includedFrom$0.056for a 5-second clip - Seedream 4.5
bytedance/seedream-4.5/text-to-imageNewExact text in 2K and 4K images, with edits from up to 14 referencesImageUp to 4KUp to 14 reference images8 aspect ratiosFrom$0.04per image - Seedream 4.0
bytedance/seedream-4.0/text-to-imageExact sizes up to 4096×2304 and ten-reference editsImageUp to 10 reference imagesFrom$0.03per image - Seedance 2.5 Plus
bytedance/seedance-2.5-plus/image-to-videoSeedance 2.5 image-to-video, 4 to 30 seconds with soundVideoUp to 4K4–30s clipsSound includedFrom$1.08for a 5-second clip - Seedance 2.0 Mini Plus
bytedance/seedance-2.0-mini-plus/image-to-videoSeedance 2.0 Mini image-to-video at 480p or 720pVideoUp to 720p4–15s clipsSound includedFrom$0.1935for a 5-second clip - Seedance 2.0 Plus
bytedance/seedance-2.0-plus/image-to-videoSeedance 2.0 image-to-video up to 4K with soundVideoUp to 4K4–15s clipsSound includedFrom$0.57for a 5-second clip - Seedance 2.0 Fast Plus
bytedance/seedance-2.0-fast-plus/image-to-videoSeedance 2.0 Fast image-to-video with soundVideoUp to 720p4–15s clipsSound includedFrom$0.405for a 5-second clip - Seedance 1.5 Pro Plus
bytedance/seedance-1.5-pro-plus/image-to-videoSeedance 1.5 Pro image-to-video with a camera lockVideoUp to 1080p4–12s clipsSound includedFrom$0.06for a 5-second clip
ByteDance API prices
See pricing| Model | Best for | List price | PopNow price | You save |
|---|---|---|---|---|
Seedance 2.5bytedance/seedance-2.5/text-to-video | Create Video · Image to Video · Reference to Video · Extend Video | — | $0.369for a 5-second clip | |
Seedream 5.0 Probytedance/seedream-5.0-pro/text-to-image | Create Image · Edit Image · Layer Splitter | $0.036per image | −20% | |
Seed Audio 1.0bytedance/seed-audio-1.0/text-to-audio | Sound Effects | — | $0.36per run | |
Seedream 5.0 Flashbytedance/seedream-5.0-flash/text-to-image | Create Image · Edit Image · Layer Splitter | — | $0.026per image | |
Seedance 2.0 Minibytedance/seedance-2.0-mini/text-to-video | Create Video · Image to Video · Reference to Video · Extend Video | — | $0.05485for a 5-second clip | |
Seed Speech 2.0bytedance/seed-speech-2.0/text-to-speech | Text to Speech | — | $0.072per 1,000 characters | |
Seedream 5.0 Litebytedance/seedream-5.0-lite/text-to-image | Create Image · Edit Image | — | $0.0345per image | |
Seedance 2.0bytedance/seedance-2.0/text-to-video | Create Video · Image to Video · Reference to Video · Extend Video | — | $0.2155for a 5-second clip | |
Seedance 2.0 Fastbytedance/seedance-2.0-fast/text-to-video | Create Video · Image to Video · Reference to Video · Extend Video | — | $0.1127for a 5-second clip | |
Seedance 1.5 Probytedance/seedance-1.5-pro/text-to-video | Create Video · Image to Video · Extend Video | — | $0.056for a 5-second clip | |
Seedream 4.5bytedance/seedream-4.5/text-to-image | Create Image · Edit Image | — | $0.04per image | |
Seedream 4.0bytedance/seedream-4.0/text-to-image | Create Image · Edit Image | — | $0.03per image | |
Seedance 2.5 Plusbytedance/seedance-2.5-plus/image-to-video | Image to Video · Extend Video | — | $1.08for a 5-second clip | |
Seedance 2.0 Mini Plusbytedance/seedance-2.0-mini-plus/image-to-video | Image to Video · Extend Video | — | $0.1935for a 5-second clip | |
Seedance 2.0 Plusbytedance/seedance-2.0-plus/image-to-video | Image to Video · Extend Video | — | $0.57for a 5-second clip | |
Seedance 2.0 Fast Plusbytedance/seedance-2.0-fast-plus/image-to-video | Image to Video · Extend Video | — | $0.405for a 5-second clip | |
Seedance 1.5 Pro Plusbytedance/seedance-1.5-pro-plus/image-to-video | Image to Video · Extend Video | — | $0.06for a 5-second clip |
List prices are each maker's own published price for the same output, checked on Oct 14, 2026. Prices shown are starting prices; open a model for every tier.
Latest ByteDance additions
- Seedream 5.0 FlashImage · From $0.026 per image
- Seedance 2.5Video · From $0.369 for a 5-second clip
- Seed Audio 1.0Audio · From $0.36 per run
Call a ByteDance model
The same request works for every model: change the model name and its input.
curl -X POST https://api.popnow.ai/api/v1/jobs/createTask \
-H "Authorization: Bearer $POPNOW_API_KEY" \
-H "Content-Type: application/json" \
-H "Idempotency-Key: $(uuidgen)" \
-d '{
"model": "bytedance/seedance-2.5/text-to-video",
"input": {
"prompt": "A slow aerial shot drifting over a misty pine forest at sunrise",
"aspect_ratio": "adaptive",
"resolution": "720p",
"duration_seconds": 5,
"generate_audio": true
}
}'import os, uuid, requests
res = requests.post(
"https://api.popnow.ai/api/v1/jobs/createTask",
headers={
"Authorization": f"Bearer {os.environ['POPNOW_API_KEY']}",
"Idempotency-Key": str(uuid.uuid4()),
},
json={
"model": "bytedance/seedance-2.5/text-to-video",
"input": {
"prompt": "A slow aerial shot drifting over a misty pine forest at sunrise",
"aspect_ratio": "adaptive",
"resolution": "720p",
"duration_seconds": 5,
"generate_audio": True
}
},
timeout=30,
)
body = res.json()
if body["code"] != 200:
raise RuntimeError(f'{body["code"]} {body["msg"]}')
print(body["data"]["taskId"]) # poll this id, or wait for your callBackUrlconst res = await fetch("https://api.popnow.ai/api/v1/jobs/createTask", {
method: "POST",
headers: {
Authorization: `Bearer ${process.env.POPNOW_API_KEY}`,
"Content-Type": "application/json",
"Idempotency-Key": crypto.randomUUID(),
},
body: JSON.stringify({
"model": "bytedance/seedance-2.5/text-to-video",
"input": {
"prompt": "A slow aerial shot drifting over a misty pine forest at sunrise",
"aspect_ratio": "adaptive",
"resolution": "720p",
"duration_seconds": 5,
"generate_audio": true
}
}),
});
const { code, msg, data } = await res.json();
if (code !== 200) throw new Error(`${code} ${msg}`);
console.log(data.taskId); // poll this id, or wait for your callBackUrlFrequently asked questions
How do I call ByteDance models with PopNow?
Create an API key, then send a task with the model name (for example bytedance/seedance-2.5/text-to-video) and its input. You get a task ID back and read the result when it is ready, or receive it on your webhook.
How much do ByteDance models cost on PopNow?
Prices start at $0.026 per image. Each model page lists every tier, and you get an exact quote before every run.
Which ByteDance models are available?
Seedance 2.5, Seedream 5.0 Pro, Seed Audio 1.0, Seedream 5.0 Flash, Seedance 2.0 Mini, Seed Speech 2.0, Seedream 5.0 Lite, Seedance 2.0, Seedance 2.0 Fast, Seedance 1.5 Pro, Seedream 4.5, and Seedream 4.0. New models are added as they are released; see the changelog.
Other model makers
All model makers- Alibaba40 models−33%Wan 3.0 · Qwen Image 2.1 Pro · Qwen Image 2.1 Turbo · Qwen Image 2.1From $0.01 per image
- Black Forest Labs21 models−33%FLUX.2 Max · FLUX 3 Klein Base LoRA · FLUX 3 Klein Base · FLUX 3From $0.006 per image
- PopNow14 modelsBackground Remover · Image Upscaler · Object Eraser · Video UpscalerFrom $0.0012 per second
- MiniMax10 models−55%MiniMax H3 · MiniMax Speech 2.8 HD · MiniMax Music 3.0 · MiniMax H3 Singularity LoRAFrom $0.042 per image
- Kuaishou8 models−20%Kling 3.0 · Kling O3 · Kling 4.0 · Kling 3.0 TurboFrom $0.175 for a 5-second clip
- Google6 models−20%Nano Banana 2.1 · Nano Banana Pro · Gemini 3.8 Flash TTS · Gemini 3.8 Flash-Lite TTSFrom $0.00021 per second
Start building in minutes
One key for every model, a USD balance you top up when you need to, and an exact price before every run.