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Try Seedance 2.5 text-to-video online, review a real API result, compare 720p and 1080p pricing, and integrate POST /v1/tasks.

Provider: ByteDance

Category: video generation

Endpoint: /v1/tasks

Status: Available

Cost: See live page pricing

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Seedance 2.5 Text to Video

by ByteDanceVideo

ByteDance Seedance 2.5 text-to-video turns a single prompt into one continuous shot of up to 30 seconds at 720p or 1080p, across seven aspect ratios, with natively synchronised audio and prompts in 11 languages.

Pricing

Standard Usage

462 Credits/ s

Input

0 / 5000
5s
4s1-second steps30s

Choose 4-30 seconds in 1-second steps

More parameters

Generation settings

Choose the video format. MP4 is broadly compatible; MOV is intended for professional post-production

Generation preferences

Generate synchronized audio for the video

Whether to add an AI-generated watermark

Use web search signals for generation

Estimated cost2,310 Credits462 Credits / s × 5s × 720p

Output

Ready for generation

Configure your parameters and click "Run" to see the output here.

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Real API text-to-video results

From one prompt to a complete generated video

This exact-model API result shows how Seedance 2.5 turns a concise prompt into continuous motion. Play the full clip and copy the prompt as a starting point.

Subject motion
Subject motion4sAPI resultadaptive

Send a sheep running across open grass

A concise prompt tests readable subject motion and scene continuity.

Prompt used for this verified run

一只羊在草地上奔跑。

Real API-generated video4s · API result · adaptive

Related video models

Choose by input method, output specifications, control surface, and budget.

Start from a frame

Seedance 2.5 Image to Video

Use a first frame or start/end frame pair to control the composition.

Multimodal references

Seedance 2.5 Reference to Video

Transfer motion and style from video, image, and audio references.

Alternative text-to-video

Kling 3.0 Turbo Text to Video

Compare a 3–15 second route with simpler controls.

Compare AI video APIs

About Seedance 2.5 Text to Video

Seedance 2.5 creates 4–30 second clips from text, with seven aspect-ratio choices and 720p or 1080p output. It is suited to longer continuous scenes, advertising shots, narrative clips, and social formats.

Synchronized audio generation is enabled by default and can be switched off. The route accepts text only and does not use a source image. seedance-2.5/text-to-video

Provider
ByteDance
Task
Pure text-to-video
Input
Text prompt
Starting price
462 Credits / second

Model specifications

These specifications reflect the current HiAPI Seedance 2.5 Text to Video request contract.

Input
Text prompt
Duration
4–30s
Resolution
720p1080p
Aspect ratio
16:94:31:13:49:1621:9adaptive
Audio and references
Synchronized audio on by default
API protocol
POST /v1/tasksAsync
720p： 462 Credits / second1080p： 1,124 Credits / secondBilled per generated second by resolution

How to use Seedance 2.5 Text to Video

Describe the scene in time order, validate a short 720p clip, then extend duration or move to 1080p.

Subject
Action
Camera
01

Define subject, action, and camera

Seedance 2.5 Text to Video API quickstart

This is the minimum request for an asynchronous text-to-video task. Use the API docs for task retrieval, callbacks, errors, and the complete parameter contract.

curl -X POST "https://api.hiapi.ai/v1/tasks" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "seedance-2.5/text-to-video",
  "input": {
    "prompt": "A paper boat travels through a rain-lit miniature city, one continuous tracking shot.",
    "duration": 5,
    "resolution": "720p",
    "aspect_ratio": "16:9",
    "generate_audio": true
  }
}'
The create request returns a taskId; retrieve the result asynchronously.Open full API docs
Need to compare models and billing tiers?View live pricing for all models

Frequently asked questions

Does Seedance 2.5 text-to-video need an image?

No. seedance-2.5/text-to-video accepts a text prompt only. Use the separate Image-to-Video or Reference-to-Video route for frames or reference media.

How long can a Seedance 2.5 video be?

The current contract supports 4–30 seconds at 720p or 1080p with seven aspect-ratio options including adaptive.

Does Seedance 2.5 generate audio?

generate_audio is enabled by default for synchronized sound and can be turned off. Review volume, dialogue, and rights before production use.

How is Seedance 2.5 priced?

It is billed per output second, with separate 720p and 1080p tiers.

How do I call the Seedance 2.5 API?

POST an asynchronous task to /v1/tasks with model set to seedance-2.5/text-to-video and pass prompt, duration, resolution, and aspect_ratio inside input.

Lead with subject and setting, then describe action, camera direction, and speed in time order. State no cuts for a continuous take.

Draft

5s · 720p

Final

4–30s · 1080p

02

Choose duration, quality, and frame

Validate subject motion and camera continuity with 5s · 720p, then move to 4–30s · 1080p.

Playground
POST /v1/tasks
03

Validate in Playground, then integrate

Check motion stability and subject consistency online, then create an asynchronous task with the same model ID: seedance-2.5/text-to-video.