Compare DeepSeek V4 Flash from DeepSeek and Doubao Seed 1.6 Thinking 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.
DeepSeek V4 Flash
Doubao Seed 1.6 Thinking(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.
The Doubao-Seed-1.6-thinking model has significantly enhanced reasoning capabilities. Compared with Doubao-1.5-thinking-pro, it has further improvements in fundamental abilities such as coding, mathematics, and logical reasoning, and now also supports visual understanding. It supports a 256k context window, with output length supporting up to 16k tokens.
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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DeepSeek V4 Flash: $0.284/M output tokens; Doubao Seed 1.6 Thinking: $1.8/M. Use the cost calculator above to estimate your own workload.
DeepSeek V4 Flash accepts 1,000,000 and Doubao Seed 1.6 Thinking accepts 256,000 input tokens. Maximum output per request is 384,000 tokens on DeepSeek V4 Flash and 32,000 tokens on Doubao Seed 1.6 Thinking.
DeepSeek V4 Flash accepts text input and supports tool calling, function calling, structured outputs and thinking; Doubao Seed 1.6 Thinking accepts text, image and video input and supports thinking, tool calling, function calling and structured outputs.
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