ImageAnonymized

Seedream V4.5

ByteDance's Seedream 4.5 delivers high-fidelity image generation and precise editing with strong consistency across subjects, text, and lighting.

Maker
ByteDance
Modality
Image
Resolution
Open weights
No — proprietary

Overview

What is Seedream V4.5

Seedream V4.5 is ByteDance's advanced image generation model, released in December 2025. It improves on Seedream 4.0 with stronger editing consistency, accurate subject identification in multi-image inputs, and enhanced typography rendering, making it ideal for professional visual workflows.

Running it privately on Venice

On Venice, Seedream V4.5 runs under an anonymized privacy tier — your prompts are not stored, profiled, or used for training. This means you get full access to its high-fidelity image generation and editing capabilities without sacrificing privacy or building a personal history. Use it permissionlessly for e-commerce, design, or branding tasks where consistency and fidelity matter.

AnonymizedNo prompt trainingTEE · hardware enclaveEnd-to-end encrypted

Assessment

Strengths and limitations

Strengths
  • High editing consistency: reliably preserves subject details, lighting, and color tone across revisions.
  • Superior typography and dense text rendering, ideal for posters, infographics, and e-commerce visuals.
  • Supports up to 14 reference images in a single request, enabling complex multi-image compositions.
  • Strong spatial reasoning and prompt adherence, especially in structured design tasks.
  • Efficient for batch generation of on-brand creative variants.
Limitations
  • Proprietary model: no open weights, so self-hosting or fine-tuning is not possible.
  • Less suited for highly artistic or mood-driven aesthetics compared to models like Midjourney.
  • No support for real-time web search or logical reasoning enhancements found in newer models.

Samples

Sample outputs

Generated on Venice with our standard prompt suite — the same prompts we run through every model of this type, so you can judge it like-for-like.

In-image textIn-image text

A retro travel poster with the bold headline "VENICE" in large condensed serif type, sunset color palette, clean layout

PhotorealismPhotorealism

Photorealistic close-up portrait of a weathered fisherman at golden hour, 85mm lens, shallow depth of field, natural skin texture

Instruction-followingInstruction-following

A small red cube balanced on top of a large glossy blue sphere, with a green cone to the right, plain light-grey studio background

Illustration styleIllustration style

Cozy watercolor illustration of a hillside village in autumn, warm tones, soft paper texture

Compare every image model on these prompts

Capabilities

What it supports

  • Text to image
  • Image to image

Specifications

Datasheet

Maker
ByteDance
Released
December 3, 2025
Modality
Text-to-image, image-to-image (multi-image editing)
Max input images
14
Open weights
No — proprietary
Aspect ratios
1:1, 3:2, 16:9, 21:9, 9:16, 2:3, 3:4, 4:5
Prompt limit
10,000 chars
Privacy on Venice
Anonymized — prompts not stored
Available on Venice since
Nov 2025
License
Proprietary

API

Call it from your code

Venice exposes this model through the REST API. Queue a generation with the model id.

curl https://api.venice.ai/api/v1/image/generate \
  -H "Authorization: Bearer $VENICE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "seedream-v4",
    "prompt": "A serene mountain lake at dawn, photorealistic"
  }' --output image.png

Pricing

What it costs on Venice

Flat per-image pricing on Venice: $0.05 per generation.

Generation
$0.05
Per image
Upscale 2×
$0.02
Per image
Upscale 4×
$0.08
Per image

New Venice accounts include a free daily allowance and 500 welcome credits — no credit card required.

Alternatives

How it compares

ModelMax resolutionStrongest atOpen weightsPrice (Venice)
Seedream V4.5Editing consistency, text fidelityNo$0.05 / image
Grok Imagine High Quality (SOTA)High-quality realismNofrom $0.06 / image
Flux 2 MaxPhotoreal detailNo$0.09 / image
ChromaLow-cost generationYes$0.01 / image

Excels in consistent, text-rich design work with strong multi-image editing.

Use cases

What it is good for

  1. 01E-commerce product visuals with accurate on-image text and consistent branding.
  2. 02Marketing assets requiring multiple on-brand variations from a single prompt.
  3. 03Poster and infographic design with legible, stylized text.
  4. 04Multi-image editing tasks such as character isolation or background replacement.
  5. 05Professional workflows needing high-fidelity, repeatable outputs.

Prompting

Getting better results

Use clear, structured descriptions for layout and text placement to maximize fidelity.

Leverage multiple reference images to guide composition and style.

Specify lighting and color tone explicitly to maintain consistency across edits.

Use precise terms like 'replace', 'remove', or 'change to' for image-to-image tasks.

Version history

Seedream 4.0
2025

Predecessor with lower editing consistency.

Seedream 4.5
2025-12

Current — improved consistency, text, and multi-image editing.

FAQ

Frequently asked questions

Seedream V4.5 is ByteDance's advanced image generation model, released in December 2025. It improves on Seedream 4.0 with stronger editing consistency, accurate subject identification in multi-image inputs, and enhanced typography rendering, making it ideal for professional visual workflows.

On Venice, Seedream V4.5 costs $0.05 per image generation. Upscaling options are available: $0.02 for 2× and $0.08 for 4× upscale.

No. Seedream V4.5 is a proprietary model developed by ByteDance. It is not open source, and self-hosting or fine-tuning is not supported.

Yes. Seedream V4.5 supports image-to-image editing and can process up to 14 reference images in a single request, making it powerful for complex visual revisions and multi-image compositions.

Yes. Seedream V4.5 excels at typography and dense text rendering, making it well-suited for posters, infographics, and e-commerce visuals where legible on-image text is critical.

Seedream V4.5 is optimized for editing consistency and text fidelity at $0.05 per image, while Flux 2 Max costs $0.09 and focuses on photorealistic detail. Choose Seedream for design workflows and Flux for high-fidelity realism.

Yes. Seedream V4.5 has been available on Venice since November 2025, running under an anonymized privacy tier with no prompt retention.

Seedream V4.5 supports multiple aspect ratios including 1:1, 3:2, 16:9, 21:9, 9:16, 2:3, 3:4, and 4:5, offering flexibility for various design and layout needs.

No. On Venice, Seedream V4.5 runs under an anonymized privacy tier — prompts are not stored, profiled, or used for training, ensuring user sovereignty and privacy.

Run Seedream V4.5 privately

No prompt logging. No data used for training.