Compare Doubao Seed 1.6 Thinking from ByteDance and Step 3.7 Flash from StepFun 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 Thinking
Step 3.7 FlashThe 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.
step-3.7-flash is stepfun's flagship inference model, designed for high-complexity tasks that require deep reasoning and fast execution. It excels at decomposing multi-step problems, performing tool calls, and maintaining consistency across massive datasets. It is the preferred choice for complex workloads such as long-context agents, advanced software engineering, and end-to-end research automation.
Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.
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Step 3.7 Flash: $1.32/M output tokens; Doubao Seed 1.6 Thinking: $1.8/M. Use the cost calculator above to estimate your own workload.
Doubao Seed 1.6 Thinking accepts 256,000 and Step 3.7 Flash accepts 256,000 input tokens.
Doubao Seed 1.6 Thinking accepts text, image and video input and supports thinking, tool calling, function calling and structured outputs; Step 3.7 Flash accepts text, image and video input.
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