Context lengths are 500,000 tokens on Grok 4.5 and 256,000 tokens on K2.6 Code Preview (free).
Grok 4.5
K2.6 Code Preview (free)Grok 4.5 was trained on datasets spanning knowledge in coding, science, engineering, and math. With both intelligent and efficient reasoning, Grok 4.5 excels at real engineering tasks and exceeds comparable leading models at these tasks.
kimi-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.
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.
Grok 4.5 accepts 500,000 and K2.6 Code Preview (free) accepts 256,000 input tokens. Maximum output per request is 500,000 tokens on Grok 4.5 and 256,000 tokens on K2.6 Code Preview (free).
Grok 4.5 accepts text and image input and supports thinking, tool calling, function calling, structured outputs and long context; K2.6 Code Preview (free) accepts text input and supports thinking, tool calling, 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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