Text to Image

Seedream 4.5

ByteDance's flagship text-to-image model with exceptional photorealism.

Schema
Example
Example output

Sample output shown above. The prompt and settings are pre-filled on the left.

Your request will cost $0.04 per run. For $10 you can run this model approximately 250 times.

One more thing:

README

ByteDance / Seedream 4.5 β€” Text to Image (seedream-4.5)

Seedream 4.5 from ByteDance represents the latest advancement in text-to-image generation. This model delivers exceptional photorealism and aesthetic quality, making it ideal for professional creative work.

Highlights

  • β€’Exceptional photorealism – Generates images with stunning realism and natural lighting.
  • β€’High aesthetic quality – Produces visually appealing images with excellent composition.
  • β€’Great prompt adherence – Accurately interprets and renders complex prompts.
  • β€’High resolution – Supports up to 2048x2048 pixel output.
  • β€’Fast generation – Optimized for quick image generation.

Parameters

  • β€’prompt* – Text description of the image to generate (max 512 tokens)
  • β€’negative_prompt – Things to avoid in the image (e.g., blurry, low-res)
  • β€’size – Output image resolution (Seedream 4.5 requires minimum 3.7MP)
    • β€’ 2048Γ—2048 (1:1)
    • β€’ 2304Γ—1728 (4:3)
    • β€’ 1728Γ—2304 (3:4)
    • β€’ 2560Γ—1440 (16:9)
    • β€’ 1440Γ—2560 (9:16)
    • β€’ 2496Γ—1664 (3:2)
    • β€’ 1664Γ—2496 (2:3)
  • β€’guidance_scale – Controls how closely the image follows the prompt (higher = more prompt adherence)
  • β€’seed – Random seed for reproducibility (-1 for random)

Pricing

$0.04 per generation

How to Use

  1. 1.Write a detailed prompt describing your desired image.
  2. 2.Optionally add a negative prompt to exclude unwanted elements.
  3. 3.Choose the output size and aspect ratio.
  4. 4.Adjust inference steps and guidance scale if needed.
  5. 5.Submit and download your generated image.

Pro Tips

  • β€’Use descriptive adjectives for lighting: "soft diffused light", "dramatic shadows", "golden hour glow".
  • β€’Specify camera settings for photorealistic results: "85mm lens", "shallow depth of field", "f/1.8".
  • β€’Include art style references: "in the style of studio photography", "cinematic color grading".
  • β€’Use negative prompts to avoid common issues: "blurry, low quality, distorted, bad anatomy".
  • β€’Higher guidance scale (8-12) improves prompt adherence but may reduce creativity.
  • β€’For portraits, specify facial features and expressions for better results.

More Models to Try

β€’Digital artists: High-quality concept art and illustrations.
β€’Photographers: AI-generated photography and composites.
β€’Marketers: Professional marketing materials and visuals.
β€’Content creators: Social media graphics and thumbnails.

Frequently Asked Questions

What is the Seedream 4.5 API?
ByteDance's flagship text-to-image model with exceptional photorealism.
How much does Seedream 4.5 cost via API?
Seedream 4.5 costs $0.0400 per generation through Renderful's API. No subscription required β€” pay only for what you use.
How do I use Seedream 4.5 via API?
Sign up for a free Renderful API key, then send a POST request to the /v1/predictions endpoint with model "seedream-4.5". See the documentation at renderful.ai/docs for code examples in Python, JavaScript, and cURL.
What type of content does Seedream 4.5 generate?
Seedream 4.5 is a text to image model by ByteDance. Key features include: 2048x2048, Photorealistic, High aesthetic.
Is the Seedream 4.5 API fast?
Seedream 4.5 has fast generation speed. Results are delivered via polling or webhook callback for seamless integration.