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Kimi K2.5 is Moonshot AI's native multimodal model released in January 2026, delivering state-of-the-art visual coding capability and a self-directed agent swarm paradigm. Built on Kimi K2 with continued pretraining over approximately 15 trillion mixed visual and text tokens, it generates code from visual specifications — turning UI designs and video workflows into working implementations. Its agent swarm technology can self-direct up to 100 parallel sub-agents, each independently using tools to search, generate, analyze, and organize information, reducing execution time by up to 4.5× for complex research and writing tasks.

Author
Moonshot AIMoonshot AI
Release Date
2026-01-27
Knowledge Cutoff
2026-02-02
License
Open Model
I/O Format
Context Length
262K / 66K
API I/O (1M)
$0.44 / $2
How to Use
API Access
Output Speed
33 tok/s
Arena Overall
1449
Intelligence Index
46.8
Coding Index
39.5
Math Index
LiveBench
69.2
ForecastBench
GPQA Diamond
87.9%
HLE
29.4%
MMLU-Pro
AIME 2025
MATH-500
LB Reasoning
76.0
LB Math
84.9
LB Data Analysis
61.4
LiveCodeBench
LB Coding
77.9
LB Agentic
48.3
TAU2
95.9%
TerminalBench
34.8%
SciCode
49.0%
IFBench
70.2%
AA-LCR
0.7
Hallucination (HHEM)
14.2%
Factual Consistency (HHEM)
85.8%
LB Language
77.7
LB Instruction Following
57.4