Seedream API Family
Use one EvoLink API to access the full Seedream image generation family. Compare how each version fits your workflow and choose the right model for deep-thinking generation, 4K editing, or cost-efficient production.
Latest generation
Seedream 5.0 Lite is the newest version with deep thinking, real-time web search, and up to 14 reference images for complex, knowledge-rich image generation.
Production editing
Seedream 4.5 is the editing-focused version optimized for 4K output, multi-image consistency, and text rendering for ads, e-commerce, and social content.
Cost-efficient generation
Seedream 4.0 is the cost-efficient entry point for text-to-image generation with multi-reference consistency and batch workflows at 40% less than official pricing.
Compare the Seedream versions
This page helps you answer one practical question: which Seedream version should own this workflow on EvoLink?
| Version | Best for | Max resolution | Reference images | Unique capability | EvoLink pricing |
|---|---|---|---|---|---|
Seedream 5.0 Lite Latest | Complex prompts, knowledge-grounded visuals, scientific diagrams, and data-rich content. | Up to 3K | Up to 14 images | Deep Thinking + Web Search | $0.031/image |
Seedream 4.5 4K Editing | 4K image editing, product galleries, campaign visuals, and multi-image consistency. | Up to 4K | Up to 10 images | 4K output + text rendering | $0.03/image |
Seedream 4.0 Cost-efficient | High-volume text-to-image, batch generation, and reference-guided consistency at lowest cost. | Up to 4K | Up to 14 images | Lowest per-image cost | $0.018/image |
Which Seedream version should you choose?
Treat the family as three different operating modes rather than three interchangeable models.
Choose Seedream 5.0 Lite if
You need reasoning-enhanced or knowledge-grounded images
Pick the latest version when your prompts are complex, reference real-world data, or require the model to reason through multi-element compositions before generating. Deep thinking and web search are unique to this version.
Choose Seedream 4.5 if
You need 4K editing and multi-image production workflows
Pick the editing-focused version when your workflow involves transforming existing images, maintaining consistency across product galleries, or generating campaign-grade 4K visuals with accurate text rendering.
Choose Seedream 4.0 if
You want the lowest cost for high-volume generation
Pick the cost-efficient version when the workflow is generation-heavy: batch text-to-image, reference-guided consistency, and production automation where cost per image matters most.
Explore each Seedream version
Use the family page to compare and choose a direction. Visit the version page for pricing, playground access, and API details.
Seedream 5.0 Lite
Complex prompts, knowledge-grounded visuals, scientific diagrams, and data-rich content.
- Resolution
- Up to 3K
- References
- Up to 14 images
- Pricing
- $0.031/image
Seedream 4.5
4K image editing, product galleries, campaign visuals, and multi-image consistency.
- Resolution
- Up to 4K
- References
- Up to 10 images
- Pricing
- $0.03/image
Seedream 4.0
High-volume text-to-image, batch generation, and reference-guided consistency at lowest cost.
- Resolution
- Up to 4K
- References
- Up to 14 images
- Pricing
- $0.018/image
Pricing summary
All Seedream versions use per-image pricing on EvoLink. The version pages show exact live rates, but the current snapshot shows Seedream 4.0 as the lowest-cost entry point, Seedream 4.5 as the balanced editing route, and Seedream 5.0 Lite as the premium reasoning layer.
Seedream 5.0 Lite
$0.031/image
Includes optional web search add-on at $0.0069/request.
Seedream 4.5
$0.03/image
Best fit for 4K editing, multi-image consistency, and text rendering workflows.
Seedream 4.0
$0.018/image
Lowest cost per image in the family. 40% less than official BytePlus pricing.
Related Seedream guides
The family page routes you to the right version. Use these guides for pricing, prompts, and comparison intent.
Seedream Pricing Guide (2026)
Compare Seedream 4.0, 4.5, and 5.0 Lite pricing side by side. Per-image costs, EvoLink vs official rates, and which version fits your budget.
Seedream Prompt Guide & Best Practices
How to write effective prompts for all Seedream versions. Covers structure, reference images, text rendering, and version-specific tips.
Seedream 4.5 vs Nano Banana 2
Compare Seedream 4.5 and Nano Banana 2 for multi-image editing, pricing shape, and product photography fit.
Seedream 5.0 Lite vs Nano Banana Pro vs GPT Image
Three-way comparison of the latest image generation APIs by quality, speed, pricing, and workflow fit.
Seedream API Family FAQ
Everything you need to know about the product and billing.
Where this page fits
Use this page to compare the Seedream versions and choose a direction. Use the individual version pages for model-level pricing, playground access, and API details. Use the blog guides for cost optimization, reviews, and comparison intent.