Doubao-Seed-1.6-lite is a brand new multimodal deep reasoning model that supports adjustable reasoning effort, with four modes: Minimal, Low, Medium, and High. It offers better cost performance, making it the best choice for common tasks, with a context window of up to 256k.
Doubao Seed 1.6 Lite vs Kimi K3
Output tokens cost $0.66 per million on Doubao Seed 1.6 Lite and $15.00 per million on Kimi K3. Input tokens cost $0.08 per million on Doubao Seed 1.6 Lite and $3.00 per million on Kimi K3. Cached input tokens are billed at $0.08 per million on Doubao Seed 1.6 Lite and $0.30 per million on Kimi K3. Context lengths are 256,000 tokens on Doubao Seed 1.6 Lite and 1,048,576 tokens on Kimi K3. Time to first token (TTFT) measured on AIHubMix is 0.6s on Doubao Seed 1.6 Lite and 0.9s on Kimi K3. Measured output throughput is 56.0 tok/s on Doubao Seed 1.6 Lite and 73.1 tok/s on Kimi K3.
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.
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.
Activity Past 30 Days
Daily traffic served through AIHubMix — how demand for each model is trending.
Tokens / day
Requests / day
Performance Past 3 Days
Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.
Throughput (tok/s)
TTFT (s)
Uptime (%)
Cost calculator
Estimate your monthly bill for the same workload on each model.
Monthly = daily × 30. Discounted rates applied where a promotion is active.
FAQ
Which is cheaper: Doubao Seed 1.6 Lite, Kimi K3?
Doubao Seed 1.6 Lite: $0.66/M output tokens; Kimi K3: $15.00/M. Use the cost calculator above to estimate your own workload.
Which responds faster?
Doubao Seed 1.6 Lite: 0.6s time to first token measured on AIHubMix; see the live performance charts above for how each model behaves across the day.
How large is each context window?
Doubao Seed 1.6 Lite accepts 256,000 and Kimi K3 accepts 1,048,576 input tokens. Maximum output per request is 32,000 tokens on Doubao Seed 1.6 Lite and 1,048,576 tokens on Kimi K3.
Which one generates tokens faster?
Kimi K3 at 73.1 tok/s and Doubao Seed 1.6 Lite at 56.0 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.
What inputs and capabilities does each model support?
Doubao Seed 1.6 Lite accepts text, image and video input and supports function calling and structured outputs; Kimi K3 accepts text, image and video input and supports thinking, function calling and structured outputs.
Can I call Doubao Seed 1.6 Lite and Kimi K3 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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