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Kimi K2.6vsKimi K2.5

Across 12 shared benchmarks, Kimi K2.6 leads overall: Kimi K2.6 wins 10, Kimi K2.5 wins 2, with 0 ties and an average score difference of +17.51.

Moonshot AI
Kimi K2.6

Moonshot AI · 2026-04-20 · Reasoning model

Moonshot AI
Kimi K2.5

Moonshot AI · 2026-01-27 · Multimodal model

Kimi K2.610 wins(83%)(17%)2 winsKimi K2.5

Benchmark scores

Grouped by capability, sorted by largest gap within each. 12 shared benchmarks.

Coding and Software Engineer

Kimi K2.6 3/3
BenchmarkKimi K2.6Kimi K2.5Diff
SWE-Bench Pro - Public58.6018 / 62Thinking (With Tools)50.7047 / 62Thinking (With Tools)+7.90
LiveCodeBench89.609 / 128Thinking (No Tools)8519 / 128Thinking (No Tools)+4.60
SWE-bench Verified80.2014 / 116Thinking (With Tools)76.8030 / 116Thinking (With Tools)+3.40

Math and Reasoning

Kimi K2.6 2/2
BenchmarkKimi K2.6Kimi K2.5Diff
IMO-AnswerBench8610 / 24Thinking (No Tools)81.8018 / 24Thinking (No Tools)+4.20
AIME 202696.403 / 21Thinking (No Tools)92.5013 / 21Thinking (No Tools)+3.90

AI Agent - Information Search

Kimi K2.6 1/1
BenchmarkKimi K2.6Kimi K2.5Diff
BrowseComp83.2016 / 57Thinking (With Tools + Internet)60.6038 / 57Thinking (With Tools + Internet)+22.60

AI Agent - Tool Usage

Kimi K2.6 1/1
BenchmarkKimi K2.6Kimi K2.5Diff
Terminal Bench 2.066.7010 / 48Thinking (With Tools)50.8035 / 48Thinking (With Tools)+15.90

Claw-style Agent Evaluation

Kimi K2.5 1/1
BenchmarkKimi K2.6Kimi K2.5Diff
Claw Bench80.9019 / 29Thinking (With Tools)81.7018 / 29Thinking (With Tools)-0.80

General Evaluation

Kimi K2.6 1/1
BenchmarkKimi K2.6Kimi K2.5Diff
GPQA Diamond90.5043 / 274Thinking (No Tools)87.6078 / 274Thinking (No Tools)+2.90

General Knowledge

Kimi K2.6 1/1
BenchmarkKimi K2.6Kimi K2.5Diff
LiveBench70.5434 / 117Thinking (No Tools)69.0741 / 117Thinking (No Tools)+1.47

Text Embedding

Kimi K2.5 1/1
BenchmarkKimi K2.6Kimi K2.5Diff
Context Arena51.8886 / 126Normal (No Tools)53.3383 / 126Normal (No Tools)-1.45

Writing and Creative Capabilities

Kimi K2.6 1/1
BenchmarkKimi K2.6Kimi K2.5Diff
Creative Writing1,72125 / 106Normal (No Tools)1,57643 / 106Normal (No Tools)+145.50

Specs

FieldKimi K2.6Kimi K2.5
PublisherMoonshot AIMoonshot AI
Release date2026-04-202026-01-27
Model typeReasoning modelMultimodal model
ArchitectureMoEMoE
Parameters1T1T
Context length256K256K
Max outputNot available16K

API pricing

Prices use DataLearner records when available; missing fields are not inferred.

ItemKimi K2.6Kimi K2.5
Text input$0.95 / 1M tokens$0.6 / 1M tokens
Text output$4 / 1M tokens$3 / 1M tokens
Cache read$0.16 / 1M tokens$0.1 / 1M tokens
Cache write$0.95 / 1M tokensNot public

Summary

  • Kimi K2.6leads in:Coding and Software Engineer (3/3), Math and Reasoning (2/2), AI Agent - Information Search (1/1), AI Agent - Tool Usage (1/1), General Evaluation (1/1), General Knowledge (1/1), Writing and Creative Capabilities (1/1)
  • Kimi K2.5leads in:Claw-style Agent Evaluation (1/1), Text Embedding (1/1)

On average across the 12 shared benchmarks, Kimi K2.6 scores 17.51 higher.

Largest single-benchmark gap: Creative Writing — Kimi K2.6 1,721 vs Kimi K2.5 1,576 (+145.50).

Page generated from structured model, pricing and benchmark records. No real-time LLM is used to write the prose.