kimi-k2-instruct · Moonshot AI
Kimi-K2 is a MoE architecture foundational model with extremely powerful coding and agent capabilities, featuring a total of 1 trillion parameters and activating 32 billion parameters. In benchmark performance tests across major categories such as general knowledge reasoning, programming, mathematics, and agents, the K2 model outperforms other mainstream open-source models. The Kimi-K2 model supports a context length of 128k tokens. It does not support visual capabilities.
Kimi-K2 is a MoE architecture foundational model with extremely powerful coding and agent capabilities, featuring a total of 1 trillion parameters and activating 32 billion parameters. In benchmark performance tests across major categories such as general knowledge reasoning, programming, mathematics, and agents, the K2 model outperforms other mainstream open-source models. The Kimi-K2 model supports a context length of 128k tokens. It does not support visual capabilities.
On AIHubMix, Kimi K2 Instruct costs $0.54 per million input tokens and $2.16 per million output tokens.
Kimi K2 Instruct accepts text input.
Kimi K2 Instruct supports tool calling, function calling and structured outputs. Per-protocol parameter support is listed in the capability table on this page.
Kimi K2 Instruct is available through the AIHubMix unified API. The API is OpenAI-compatible: point your OpenAI SDK at https://aihubmix.com/v1, use your AIHubMix API key, and set the model name to kimi-k2-instruct — no other code changes needed.
Kimi K2 Instruct is developed by Moonshot AI. AIHubMix aggregates it alongside models from other providers behind one API and one bill.
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Use Kimi K2 Instruct via the AIHubMix unified API — one interface for every major LLM.