MoonshotAI: Kimi K2 Thinking

moonshotai/kimi-k2-thinking

Tool useJSONReasoningStreaming

Kimi K2 Thinking is Moonshot AI’s most advanced open reasoning model to date, extending the K2 series into agentic, long-horizon reasoning. Built on the trillion-parameter Mixture-of-Experts (MoE) architecture introduced in...

Pricing

Input

$0.6 / 1M

Output

$2.50 / 1M

Specs

Context

262,144 tokens

Input

text

Output

text

Released: 2025-11

Supported parameters

frequency_penaltyinclude_reasoninglogit_biasmax_tokensmin_ppresence_penaltyreasoningrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_p

Open weights · HuggingFace

173,778 downloads/mo

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