Model index
Moonshot AI·Kimi

Kimi K2.8 Preview

Kimi Code’s K2.8 preview model, with coding and agent capability close to K3, more efficient thinking than K2.7 Code, image/video input, and up to 1M context.

PreviewReasoningCodingAgentMultimodal

Kimi Code fully rolled out K2.8 Preview on 2026-09-11; the Model ID remains `kimi-for-coding`, it is available to all members, supports low, high, and max thinking (default max), and routes no-thinking requests to the K2.8 non-thinking version.

MODEL NUMBER130
First public date
2026-09-11
Organization
Moonshot AI
Family
Kimi
01

Specifications

Only published specifications are shown.

Context
1,048,576 tokens↗
Input modalities
Text · Image · Video↗
Status
Preview↗
02

Overview

Release dates

— Kimi K2.8 Preview fully rolled out in Kimi Code; the Model ID `kimi-for-coding` is unchanged, with low, high, and max thinking and up to 1M context. ↗

Why it mattered

K2.8 Preview upgrades Kimi Code’s default coding route with more efficient reasoning while preserving the existing Model ID, allowing the preview to replace kimi-for-coding without client changes.

03

Specifications alongside predecessor

Compared with Kimi K2.7 Code ↗

PreviousKimi K2.7 Code— · — ctx
CurrentKimi K2.8 Preview— · 1.05M ctx
04

Architecture & capabilities

Model capabilities

CodingAgentLong contextVision

API features

Adjustable reasoning
05

Release history

Preview

Kimi K2.8 Preview fully rolled out in Kimi Code; the Model ID `kimi-for-coding` is unchanged, with low, high, and max thinking and up to 1M context.

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06

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07

Sources

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