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CompareAI models

  1. Kimi K2.5Moonshot
  2. GPT-5 NanoOpenAI
ReasoningCodingCost efficiencyContext windowMultimodalTool use
Normalized model capability scores
ModelReasoningCodingCost efficiencyContext windowMultimodalTool use
Kimi K2.5100/10020/10044/10064/10050/100No data
GPT-5 Nano100/100No data81/10073/10033/100No data
Overview
Author
Context length
262K
400K
Reasoning
True
True
Input modalities
Text, Image, Video
Text, Image
Output modalities
Text
Text
Providers
Pricing
Input
$0.60/ 1M
$0.05/ 1M
Output
$3.00/ 1M
$0.40/ 1M
Cached input
$0.10/ 1M
$0.005/ 1M
MomentumLast 2 mo
Unique users
63K
6.2K
Completed sessions
2,500
24,289
Token share
0.01%
0%
Tokens
46B-87%
2.1B-98%
JUL 2AUG 26
JUL 2AUG 26
RetentionWeek 1
Returning users
72.9%929 user-weeks
Pending

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