> Kimi K2.6 is an open-weights AI model from Moonshot, released 20 Apr 2026. Index score 156 (GPT-4 = 100), rank 47 of 229 ranked models. API price $0.65 in / $3.41 out per million tokens, 262K context.

[Models](https://themodelindex.org/models/) /[Moonshot](https://themodelindex.org/labs/moonshot/)

# Kimi K2.6

Moonshot

Released 20 Apr 2026

Open

Date verified

[Compare](https://themodelindex.org/compare/kimi-k2-6-vs-gpt-5-5/) [Run it yourself →](https://themodelindex.org/local/) [Announcement](https://www.kimi.com/en/blog/kimi-k2-6)

156144–167

Index score

#47 of 229 models

3/ 8

Core tests taken

3 of 6 areas · plus 13 anchor tests

−15

Versus the frontier at release

best then: GPT-5.4

Replaced by [Kimi K3](https://themodelindex.org/models/kimi-k3/)

$0.65/ $3.41

Price per million tokens

input / output, list price

262K

Context window

tokens it reads at once

## Where it sits · on the frontier

_Chart: Model Index score of every scored model since late 2022, with the best closed and best open model over time_

Gemini 3 Pro reached this score 5 months earlier.

## Test results · by area · tick = best by any model

Show 10 anchor tests

Reasoning & knowledge

evidence

GPQA Diamond

91%

Humanity's Last Exam

no result

Maths

evidence

FrontierMath T1-3

57%

Coding

evidence

SWE-bench Verified

77%

Terminal-Bench

no result

Agents

evidence

APEX-Agents

no result

Novel problems

no evidence yet

ARC-AGI-2

no result

Long tasks

no evidence yet

METR time horizon

no result

Independent results from the Epoch AI benchmarking hub, best reasoning setting. The core tests are shown here; anchor tests also inform the score and can be shown above.

## What others say · rank on each leaderboard

The Model Index

independent tests, our method

#47

of 219 · 156

LMArena · Maths

maths questions in chat

#32

of 373 · 1479

LMArena · Coding

coding questions in chat

#40

of 383 · 1516

LMArena · Text

overall chat quality, judged by people

#52

of 388 · 1461

LMArena · Creative writing

creative writing

#60

of 386 · 1433

Epoch Capabilities Index

overall capability from many benchmarks

#45

of 239 · 151.1

LMArena · Vision

understanding images

#33

of 149 · 1265

LMArena · WebDev

building web apps and front ends

#48

of 123 · 1509

LMArena · Documents

working with long documents

#25

of 41 · 1451

Further left is better. Leaderboards measure different things: LMArena is people voting blind between two answers, the others are test scores. Click any row for the source.

## Best at · top three among current models

1st

SWE-bench Verified

Epoch AI · independent

Where this model places in the top three of today's models, on category leaderboards and on our core tests.

## Where to use it · prices checked 1 Oct 2026

#### From the lab

Kimi

app · subscription

↗

Moonshot API

API

↗

#### API providers · 18 · per million tokens, in / out

B

Baidu

$0.43 / $1.83 · fp4

cheapest

I

Inceptron

$0.43 / $2.45 · int4

↗

D

DigitalOcean

$0.57 / $2.4

↗

D

Decart

$0.59 / $2.47 · fp4

↗

S

StreamLake

$0.60 / $2.52 · fp8

↗

C

Chutes

$0.50 / $2.85 · int4

↗

C

CoreWeave

$0.65 / $3.41 · fp4

↗

C

Crusoe

$0.70 / $3.5 · bf16

↗

#### Run it yourself

🤗

Official weights

moonshotai/Kimi-K2.6

↗

Provider prices come from OpenRouter's live listing; going direct to a provider can differ. Subscriptions are the lab's own apps.

## Facts and sources

Released

20 Apr 2026

Announcement

[kimi.com ↗](https://www.kimi.com/en/blog/kimi-k2-6)

Release entry

Kimi K2.6

Scored as

Kimi K2.6

Artificial Analysis index

–

Output speed

–

Hugging Face

[moonshotai/Kimi-K2.6 ↗](https://huggingface.co/moonshotai/Kimi-K2.6)

## Moonshot releases · around this one

Kimi K2 Thinking

Open

6 NOV 2025

index 144

Kimi K2.5

Open

27 JAN 2026

index 149

Kimi K2.6

Open

20 APR 2026

index 156

Kimi K2.7 Code

Open

12 JUN 2026

index 153

Kimi K3

Open

16 JUL 2026

index 172

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Source: https://themodelindex.org/models/kimi-k2-6/ · The Model Index · data as of 2026-10-01