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	75/100	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

$0.81/ 1M

$0.05/ 1M

Output

$3.85/ 1M

$0.40/ 1M

Cached input

$0.41/ 1M

$0.005/ 1M

MomentumLast 2 mo

Unique users

57K

8.1K

Completed sessions

208,393

61,387

Token share

0.01%

Tokens

89B-84%

5.3B+40%

SEP 9NOV 3

RetentionWeek 1

Returning users

54.4%2K user-weeks

Pending

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