Context lengths are 256,000 tokens on K2.6 Code Preview (free) and 1,048,576 tokens on Kimi K3.
K2.6 Code Preview (free)Kimi K3kimi-for-coding-free is a free and open version offered by AIHubMix specifically for Kimi users. To maintain stable service operations, the following usage limits apply: a maximum of 5 requests per minute 500 total requests per day, and a daily quota of 1 million tokens.
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.
K2.6 Code Preview (free) accepts 256,000 and Kimi K3 accepts 1,048,576 input tokens. Maximum output per request is 256,000 tokens on K2.6 Code Preview (free) and 1,048,576 tokens on Kimi K3.
K2.6 Code Preview (free) accepts text input and supports thinking, 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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