(This model currently points to the older 0423 version; if you need to request the latest version, you can choose the model deepseek-v4-flash-0731)DeepSeek-V4 features an ultra-long context of one million characters and achieves leading performance domestically and in the open-source domain in agent capabilities, world knowledge, and reasoning.
DeepSeek V4 Flash vs Doubao Seed 1.6 Flash
Compare DeepSeek V4 Flash from DeepSeek and Doubao Seed 1.6 Flash from ByteDance on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.
Doubao-Seed-1.6-flash is an extremely fast multimodal deep thinking model, with TPOT requiring only 10ms. It supports both text and visual understanding, with its text comprehension skills surpassing the previous generation lite model and its visual understanding on par with competitor's pro series models. It supports a 256k context window and an output length of up to 16k tokens.
Pricing & Specifications
Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.
Promotional prices show the discounted rate; see each model page for promotion windows.
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Performance Past 3 Days
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Cost calculator
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FAQ
Which is cheaper: DeepSeek V4 Flash, Doubao Seed 1.6 Flash?
DeepSeek V4 Flash: $0.284/M output tokens; Doubao Seed 1.6 Flash: $0.44/M. Use the cost calculator above to estimate your own workload.
How large is each context window?
DeepSeek V4 Flash accepts 1,000,000 and Doubao Seed 1.6 Flash accepts 256,000 input tokens. Maximum output per request is 384,000 tokens on DeepSeek V4 Flash and 33,000 tokens on Doubao Seed 1.6 Flash.
What inputs and capabilities does each model support?
DeepSeek V4 Flash accepts text input and supports tool calling, function calling, structured outputs and thinking; Doubao Seed 1.6 Flash accepts text, image and video input and supports thinking, tool calling, function calling and structured outputs.
Can I call DeepSeek V4 Flash and Doubao Seed 1.6 Flash with the same API key?
Yes. AIHubMix serves every model on this page behind one OpenAI-compatible endpoint, so switching between them is a one-line change to the model field — no second account, key or SDK.
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