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Put up to 4 models beside each other — token prices, context windows, capabilities and provider, from the same catalogue the model pages read.

  1. Seedream 4.0ByteDanceRemove
  2. Hy4 previewTencentRemove
doubao-seedream-4-0-250828 vs hy4-preview
AttributeSeedream 4.0doubao-seedream-4-0-250828Hy4 previewhy4-preview
Pricing
Request$0.20 / request
BillingPay Per Request
Cache Write (5m)Not applicable$0.834 / 1M
Cache Write (1h)Not applicable$0.834 / 1M
Cache ReadNot applicable$0.834 / 1M
Input$0.834 / 1M
Output$2.50 / 1M
Web Search$0 / 1M
Context
Max context128K1M
Max outputN/AN/A
Capabilities
VisionYesYes
Function CallingNoYes
JSON ModeNoYes
StreamingNoYes
Catalogue
ProviderByteDanceTencent
Categoryimagechat
Charge typePay Per RequestPay As You Go
Released
Description
SummarySeedream 4.0 is ByteDance's advanced text-to-image generation model, designed to deliver high-quality, visually rich outputs with strong prompt alignment and improved aesthetic control. It enhances spatial composition, lighting realism, and fine detail rendering compared to earlier versions in the Seedream series. Optimized for creative production workflows, Seedream 4.0 supports diverse artistic styles and complex scene generation, making it well suited for marketing assets, concept art, design iteration, and professional visual content creation.Tencent Hy4 Preview is a Mixture-of-Experts (MoE) model from Tencent, featuring 770B total parameters with 49B activated per token. It is designed for coding agents, complex tool-driven workflows, and professional productivity tasks that require strong planning and reliable execution. Optimized for context continuity and sustained multi-step work, Hy4 Preview is well suited for long-horizon coding, agentic automation, tool orchestration, and complex real-world workflows.