Kimi K3
Moonshot AI · text, image, video → text
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.
Input$3.00 /M
Output$15.00 /M
← ModelsKimi K3Ox Alpha
Kimi K3 vs Ox Alpha
Context lengths are 1,048,576 tokens on Kimi K3 and 1,048,576 tokens on Ox Alpha.
Kimi K3Ox Alpha+ Add model · 2/4
Ox Alpha
Stealth · text, image → text
Developed by Stealth, Ox Alpha is a reasoning model designed for coding, sustained agentic work, and demanding production workloads. With a massive context length of 1,048,576 tokens, it is ideally suited for long-horizon software engineering and complex reasoning. The model excels at supporting advanced workflows that combine text with other data.
Input$0.00 /M
Output$0.00 /M
Pricing & Specifications
Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.
Kimi K3
Ox Alpha
Input /M
$3.00
$0.00
Output /M
$15.00
$0.00
Cache read /M
$0.30
$0.00
Context length
1,048,576
1,048,576
Max output
1,048,576
0
Time to First Token
0.9 s
-
Throughput
73.1 tok/s
-
Modalities
textimagevideo
textimage
Supported Parameters
thinkingfunction callingstructured outputs
reasoningtool callinglong context
API Formats
chat_completions
Released
-
-
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.
kimi-k3ox-alpha
Tokens / day
-
Requests / day
-
Performance Past 3 Days
Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.
kimi-k3ox-alpha
Throughput (tok/s)
-
TTFT (s)
-
Uptime (%)
-
Cost calculator
Estimate your monthly bill for the same workload on each model.
Ox Alpha
$0.00 /mo
Kimi K3
$405 /mo
Monthly = daily × 30. Discounted rates applied where a promotion is active.
FAQ
How large is each context window?
Kimi K3 accepts 1,048,576 and Ox Alpha accepts 1,048,576 input tokens.
What inputs and capabilities does each model support?
Kimi K3 accepts text, image and video input and supports thinking, function calling and structured outputs; Ox Alpha accepts text and image input and supports reasoning, tool calling and long context.
Can I call Kimi K3 and Ox Alpha 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.
Popular comparisons
Related model match-ups readers also look at.
AIHubMix