Compare AI models: Kimi K2.6 vs GPT-5 Nano

Kimi K2.6MoonshotHollow points use fallbacks · hover for details
GPT-5 NanoOpenAIHollow points use fallbacks · hover for details

ReasoningCodingCost efficiencyContext windowMultimodalTool use

Normalized model capability scores
Model	Reasoning	Coding	Cost efficiency	Context window	Multimodal	Tool use
Kimi K2.6	50/100 — Reasoning supported; no comparable benchmark	78/100	32/100	63/100	50/100	27/100
GPT-5 Nano	50/100 — Reasoning supported; no comparable benchmark	50/100 — No data; neutral placeholder	74/100	73/100	33/100	50/100 — Tool calling supported; no comparable benchmark

Overview

Author

Moonshot

OpenAI

Context length

262K

400K

Reasoning

True

Input modalities

Text, Image, Video

Text, Image

Output modalities

Text

Providers

Moonshot

OpenAI

Pricing

Input

$0.95/ 1M

$0.05/ 1M

Output

$4.00/ 1M

$0.40/ 1M

Cached input

$0.16/ 1M

$0.01/ 1M

MomentumLast 2 mo

Unique users

59K

8.5K

Completed sessions

215,414

64,000

Token share

0.01%

Tokens

94B-83%

5.5B+47%

SEP 8NOV 2

RetentionWeek 1

Returning users

54.4%2K user-weeks

Pending

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