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K2 Think V2

Institute of Foundation Models
Release · December 15, 2025
Open weights
Reasoning

Intelligence

Intelligence Index

#150 of 266

11.812Nova 2.0 Lite (Low)
11.812Magistral Medium 1.2
11.712HyperNova 60B 2605 (High, Based on gpt-oss-120b)
11.712Nemotron Cascade 2 30B A3B
11.612gpt-oss-120b (High)
11.512K2 Think V2
11.512LongCat Flash Lite
11.411HyperCLOVA X SEED Think (32B)
11.311Mistral Small 4 (Reasoning)
11.211Qwen3.5 9B (Reasoning)

Data from Artificial Analysis

Evaluations

AA-Omniscience Accuracy18%#138
Humanity's Last Exam10.1%#155
AA-LCR57%#137
CritPt0%#143
GPQA Diamond71.3%#113
IFBench62.8%#35
τ²-Bench Telecom25.4%#92
Terminal-Bench Hard6.8%#71

K2 Think V2Median

Data from Artificial Analysis

Nearby models

Nova 2.0 Lite (Low)Amazon11.8
Magistral Medium 1.2Mistral11.8
HyperNova 60B 2605 (High, Based on gpt-oss-120b)Multiverse Computing11.7
Nemotron Cascade 2 30B A3BNVIDIA11.7
gpt-oss-120b (High)OpenAI11.6
LongCat Flash LiteLongCat11.5
HyperCLOVA X SEED Think (32B)Naver11.4
Mistral Small 4 (Reasoning)Mistral11.3

Data from Artificial Analysis

Same lab

K2 Horizon 375B A23BInstitute of Foundation Models30.5
K2 Horizon MoVA 36B A4BInstitute of Foundation Models25.3
K2 Horizon 7BInstitute of Foundation Models20.6
K2 Horizon 3.7BInstitute of Foundation Models15.6
K2-V2 (High)Institute of Foundation Models9.9
K2-V2 (Medium)Institute of Foundation Models9
K2-V2 (Low)Institute of Foundation Models7.3
K2 Horizon 0.9BInstitute of Foundation Models3

Data from Artificial Analysis

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