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	35/100	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

$0.80/ 1M

$0.05/ 1M

Output

$3.40/ 1M

$0.40/ 1M

Cached input

$0.16/ 1M

$0.005/ 1M

MomentumLast 2 mo

Unique users

63K

8.8K

Completed sessions

223,759

67,327

Token share

0.01%

Tokens

103B-83%

5.6B+64%

SEP 6OCT 31

RetentionWeek 1

Returning users

56.6%2.7K user-weeks

Pending

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