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

  1. Kimi K2.6MoonshotHollow points use fallbacks · hover for details
  2. GPT-5 NanoOpenAIHollow points use fallbacks · hover for details
ReasoningCodingCost efficiencyContext windowMultimodalTool use
Normalized model capability scores
ModelReasoningCodingCost efficiencyContext windowMultimodalTool use
Kimi K2.650/100 — Reasoning supported; no comparable benchmark78/100100/10063/10050/10027/100
GPT-5 Nano50/100 — Reasoning supported; no comparable benchmark50/100 — No data; neutral placeholder73/10073/10033/10050/100 — Tool calling supported; no comparable benchmark
Overview
Author
Context length
262K
400K
Reasoning
True
True
Input modalities
Text, Image, Video
Text, Image
Output modalities
Text
Text
Providers
Pricing
Input
$0.00/ 1M
$0.05/ 1M
Output
$0.00/ 1M
$0.40/ 1M
Cached input
Unknown
$0.005/ 1M
MomentumLast 2 mo
Unique users
63K
8.8K
Completed sessions
223,759
67,327
Token share
0.01%
0%
Tokens
103B-83%
5.6B+64%
SEP 6OCT 31
SEP 6OCT 31
RetentionWeek 1
Returning users
56.6%2.7K user-weeks
Pending

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