Kimi K2 0905

moonshotai/kimi-k2-0905

Kimi K2 0905 is the September update of [Kimi K2 0711](moonshotai/kimi-k2). It is a large-scale Mixture-of-Experts (MoE) language model developed by Moonshot AI, featuring 1 trillion total parameters with 32...

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Context window: 262K
Input: Text
Output: Text
Released: 2025-09-04

Max output: 100K
Knowledge cutoff: 2024-12-31
Model parameters: 1T
Active parameters: 32B
Weights: Open
Capabilities: Open weight, Structured, Temperature, Tool call

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Performance

Overall capability

42.5/100

Coding: —
Reasoning: 36.3
Professional work: —
Knowledge & language: 45.3


CritPtKimi K2 0905	Reasoning	Artificial Analysis	2026-11-05
AA-LCRKimi K2 0905	Knowledge & language	Artificial Analysis	2026-11-05
IFBench（Artificial Analysis）Kimi K2 0905	Knowledge & language	Artificial Analysis	2026-11-05
Humanity’s Last ExamKimi K2 0905	Reasoning	Artificial Analysis	2026-11-05
AA-OmniscienceKimi K2 0905	Knowledge & language	Artificial Analysis	2026-10-27

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ModelRegistry · Catalog updated 2026-11-05