Seedream 5.0 Pro vs Gemini 3.1 Flash Image

A side-by-side comparison of Seedream 5.0 Pro and Gemini 3.1 Flash Image: input/output pricing, capabilities and available endpoints, served live from J8API. Both are reachable with the same API key.

Pricing comparison

ItemSeedream 5.0 ProGemini 3.1 Flash Image
Input (per 1M tokens)$0.375
Output (per 1M tokens)$2.25

Capability comparison

ItemSeedream 5.0 ProGemini 3.1 Flash Image
image_to_imageYes
multi_referenceYes

Which should you pick

What can Seedream 5.0 Pro do that Gemini 3.1 Flash Image cannot?

only Seedream 5.0 Pro supports image_to_image, multi_reference.

Can I switch between Seedream 5.0 Pro and Gemini 3.1 Flash Image without changing my code?

Yes. Both are available on J8API through one API key and the same OpenAI-compatible endpoint — switching means changing the model field from "dola-seedream-5-0-pro-260628" to "gemini-3.1-flash-image", nothing else.

Both are available on J8API under one API key — switching between them means changing the model field and nothing else, so you can use each where it fits rather than picking one.

Seedream 5.0 Pro · Gemini 3.1 Flash Image · All models