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Kimi K2 Thinking

MoonshotLanguage modeling/generationQuestion answeringSearchQuantitative reasoningCode generationOpen weights

Developed by Moonshot in 2025, Kimi K2 Thinking is a language modeling/generation model with 1000000000000.0 parameters with openly available weights.

About Kimi K2 Thinking

Today, we are introducing Kimi K2 Thinking, our best open-source thinking model. Built as a thinking agent, it reasons step by step while using tools, achieving state-of-the-art performance on Humanity's Last Exam (HLE), BrowseComp, and other benchma

LLM pricing & performance

Full LLM page →

Kimi K2 Thinking is available via API — live cost, context, and benchmark data:

Input / 1M
$0.00
Output / 1M
$0.00
Context
262K
Tokens/sec

Details

Provider
Moonshot
Task
Language modeling/generation,Question answering,Search,Quantitative reasoning,Code generation
Parameters
1000000000000.0
Released
2025-11-06
Open weights
Yes
View model source

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