Seedream v3 — bytedance/seedream-v3
Seedream v3 is a high-quality text-to-image model built for fast, photorealistic generation with strong composition and detail. Write a clear prompt describing subject, scene, lighting, and style, and it produces clean, lifelike images suitable for marketing creatives, portraits, lifestyle photography concepts, and general visual production.
Key capabilities
- Text-to-image generation with strong realism and fine detail
- Reliable composition across custom sizes (set width/height directly)
- Good lighting and material rendering for lifelike results
- Efficient for rapid iteration with controllable randomness via seed
Use cases
- Lifestyle and street-style photography concepts
- Portrait generation with realistic skin, hair, and fabric detail
- Marketing creatives and ad-style key visuals
- Product and brand imagery with controlled lighting
- Rapid ideation for concepts, thumbnails, and mood boards
Pricing
| Output | Price |
|---|
| Per image | $0.027 |
Parameters
- prompt (required): Text description of what to generate
- width / height: Output size
- guidance_scale: Prompt adherence strength (higher = stricter; too high may reduce naturalness)
- seed: Random seed (-1 for random; fixed value for reproducible results)
Prompting guide
A stable prompt structure:
- Subject: who/what is in frame
- Action: what they are doing
- Scene: location + background details
- Lighting: time of day, key light, contrast
- Style: photorealistic, street photography, cinematic, etc.
Template:
A [subject] [action] in [scene], [lighting], [camera/framing], [style], high detail.
Example prompts
- A young girl with curly hair eating ice cream, colorful city background, realistic lighting, street-style photography look, lifelike details, shallow depth of field.
- Close-up portrait of a man in soft window light, natural skin texture, 85mm lens look, subtle film grain, photorealistic.
- Studio product photo of a minimalist sneaker on a clean backdrop, softbox lighting, crisp shadow, premium advertising style.