Output tokens cost $0.44 per million on Doubao Seed 1.6 Flash and $1.01 per million on Qwen3.8 Max Preview. Input tokens cost $0.04 per million on Doubao Seed 1.6 Flash and $0.34 per million on Qwen3.8 Max Preview. Cached input tokens are billed at $0.04 per million on Doubao Seed 1.6 Flash and $0.03 per million on Qwen3.8 Max Preview. Context lengths are 256,000 tokens on Doubao Seed 1.6 Flash and 983,616 tokens on Qwen3.8 Max Preview. Time to first token (TTFT) measured on AIHubMix is 1.8s on Doubao Seed 1.6 Flash and 2.4s on Qwen3.8 Max Preview. Measured output throughput is 46.4 tok/s on Doubao Seed 1.6 Flash and 48.1 tok/s on Qwen3.8 Max Preview.
Doubao Seed 1.6 Flash
Qwen3.8 Max PreviewDoubao-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.
Qwen 3.8 Max Preview(Qwen3.8-Max-Preview) is the latest-generation foundation model in the Qwen family, packing 2.4T parameters and still evolving. Compared with the previous flagship Qwen 3.7 Max, it delivers major gains in core capabilities like Coding and Cowork (professional productivity), with world-leading performance on complex, long-horizon tasks such as full-stack development, data analysis, and Office workflows. Launch offer: Credits are consumed at just 20% of the standard rate, effectively 5× your usage. Limited time only.
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.
Daily traffic served through AIHubMix — how demand for each model is trending.
Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.
Estimate your monthly bill for the same workload on each model.
Monthly = daily × 30. Discounted rates applied where a promotion is active.
Doubao Seed 1.6 Flash: $0.44/M output tokens; Qwen3.8 Max Preview: $1.01/M. Use the cost calculator above to estimate your own workload.
Doubao Seed 1.6 Flash: 1.8s time to first token measured on AIHubMix; see the live performance charts above for how each model behaves across the day.
Doubao Seed 1.6 Flash accepts 256,000 and Qwen3.8 Max Preview accepts 983,616 input tokens. Maximum output per request is 33,000 tokens on Doubao Seed 1.6 Flash and 131,072 tokens on Qwen3.8 Max Preview.
Qwen3.8 Max Preview at 48.1 tok/s and Doubao Seed 1.6 Flash at 46.4 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.
Doubao Seed 1.6 Flash accepts text, image and video input and supports function calling and structured outputs; Qwen3.8 Max Preview accepts text and image input and supports tool calling, function calling, structured outputs, web search, long context and thinking.
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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