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Compare AI models: Kimi K3 vs GPT-5.6 Luna

  1. Kimi K3MoonshotHollow points use fallbacks · hover for details
  2. GPT-5.6 LunaOpenAI
ReasoningCodingCost efficiencyContext windowMultimodalTool use
Normalized model capability scores
ModelReasoningCodingCost efficiencyContext windowMultimodalTool use
Kimi K3100/100100/10011/10093/10050/10050/100 — Tool calling supported; no comparable benchmark
GPT-5.6 Luna67/10081/10061/10098/10050/10064/100
Overview
Author
Context length
1M
1.1M
Reasoning
True
True
Input modalities
Text, Image, Video
Text, Image, Pdf
Output modalities
Text
Text
Providers
Pricing
Input
$3.00/ 1M
$0.20/ 1M
Output
$15/ 1M
$1.20/ 1M
Cached input
$0.30/ 1M
$0.02/ 1M
MomentumLast 2 mo
Unique users
318K
433K
Completed sessions
784,856
2,122,516
Token share
0.07%
0.38%
Tokens
702B-52%
3.7T-13%
AUG 20OCT 14
AUG 20OCT 14
RetentionWeek 1
Returning users
42%31K user-weeks
58.3%40K user-weeks

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