Output tokens cost $0.28 per million on Doubao Seed 2.0 Mini 260428 and $15.00 per million on Kimi K3. Input tokens cost $0.03 per million on Doubao Seed 2.0 Mini 260428 and $3.00 per million on Kimi K3. Cached input tokens are billed at $0.01 per million on Doubao Seed 2.0 Mini 260428 and $0.30 per million on Kimi K3. Context lengths are 256,000 tokens on Doubao Seed 2.0 Mini 260428 and 1,048,576 tokens on Kimi K3. Time to first token (TTFT) measured on AIHubMix is 4.2s on Doubao Seed 2.0 Mini 260428 and 0.9s on Kimi K3. Measured output throughput is 35.1 tok/s on Doubao Seed 2.0 Mini 260428 and 73.1 tok/s on Kimi K3.
Doubao Seed 2.0 Mini 260428
Kimi K3Doubao Coding model optimized for real-world programming environments that can reliably invoke tools in common IDEs such as Claude Code. The model is specially optimized for frontend capabilities and performs well with common frontend frameworks. The model supports Skills and can work with various custom skills.
Kimi K3 is Kimi’s flagship model for long-horizon coding and end-to-end knowledge work, with a 1M-token context window and industry-leading intelligence.
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 2.0 Mini 260428: $0.28/M output tokens; Kimi K3: $15.00/M. Use the cost calculator above to estimate your own workload.
Kimi K3: 0.9s time to first token measured on AIHubMix; see the live performance charts above for how each model behaves across the day.
Doubao Seed 2.0 Mini 260428 accepts 256,000 and Kimi K3 accepts 1,048,576 input tokens. Maximum output per request is 32,000 tokens on Doubao Seed 2.0 Mini 260428 and 1,048,576 tokens on Kimi K3.
Kimi K3 at 73.1 tok/s and Doubao Seed 2.0 Mini 260428 at 35.1 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.
Doubao Seed 2.0 Mini 260428 accepts text, image and video input and supports thinking, web search, tool calling, function calling and structured outputs; Kimi K3 accepts text, image and video input and supports thinking, function calling and structured outputs.
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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