Kimi K2 Instruct

Non-thinking Kimi K2 MoE instruction model for coding and tool-using agents

Strongest at
Writing
Top 35% of the past year's models · 2 of 4 benchmarks
Context window
131.1K
tokens in · 32.8K out

Capability profile

Scored against 90 models released in the past year. 50 is the average model; further out is better.

This modelMedian of the past year
5090Median of the past yearCoding: 48 · Better than 27%Writing: 60 · Top 35%Reasoning: 32 · Better than 6%CodingWritingReasoning
Coding48Better than 27%
Writing60Top 35%
Reasoning32Better than 6% · 1 test

No results yet: Reading & documents, Math, Science, Visual reasoning, Computer use

Where these scores come from

Each capability combines the published benchmarks listed here, rescaled so 50 is the reference average and 15 points is one standard deviation. A hollow dot rests on a single benchmark.

The Kimi K2 Instruct line

2 releases in the Kimi K2 Instruct line.

Kimi K2 InstructJul 11, 202556dKimi K2 Instruct 0905Sep 5, 2025

A newer release is out: Kimi K2 Instruct 0905.

Epoch benchmark boards

Best result on each board it has run. The tick marks the leader.

Fiction.LiveBench
61%#34 of 58
WeirdML
39%#91 of 141
GSO-Bench
5%#26 of 35
Terminal Bench
28%#39 of 50
SimpleBench
26%#76 of 89

Moonshot AI's past year

7 release days in the past year, about one every 52 days. The next is expected around Dec 7, 2026. Forecasts ↗

NovDecJanFebMarAprMayJunJulAugSepOctNovDec

Specifications

RELEASE DATEJul 11, 2025
WEIGHTSOpen weights
CONTEXT WINDOW131.1K
MAX OUTPUT32.8K
REASONINGNot listed
TOOL CALLINGNot listed
INPUTStext
OUTPUTStext

Models.dev record ↗

Specifications and prices from Models.dev; availability and limits may differ by provider. Benchmarks from Epoch AI (CC BY 4.0), LiveBench and the other sources named above.