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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. DeepSeek V4.1 FlashDeepSeekRemove
  2. Seedream 4.0ByteDanceRemove
deepseek-v4.1-flash vs doubao-seedream-4-0-250828
AttributeDeepSeek V4.1 Flashdeepseek-v4.1-flashSeedream 4.0doubao-seedream-4-0-250828
Pricing
Input$0.30 / 1M
Output$1.20 / 1M
Cache Write (5m)$0.30 / 1MNot applicable
Cache Write (1h)$0.30 / 1MNot applicable
Cache Read$0.30 / 1MNot applicable
Web Search$0 / 1M
Request$0.20 / request
BillingPay Per Request
Context
Max context1M128K
Max outputN/AN/A
Capabilities
VisionYesYes
Function CallingYesNo
JSON ModeYesNo
StreamingYesNo
Catalogue
ProviderDeepSeekByteDance
Categorychatimage
Charge typePay As You GoPay Per Request
Released
Description
SummaryDeepSeek V4.1 Flash is a cost-efficient sparse Mixture-of-Experts (MoE) model in DeepSeek's V4.1 family, optimized for coding, reasoning, and agentic workflows. Despite its efficiency-focused positioning, DeepSeek reports that it surpasses the previous V4 Pro in performance, inference speed, and overall task completion time. The model is particularly strong at long-horizon, multi-step execution, making it well suited for coding agents, complex problem solving, and autonomous workflows that must reliably carry tasks through to completion.Seedream 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.