Compare AI models: Kimi K3 vs GPT-5.6 Luna
- Kimi K3MoonshotHollow points use fallbacks · hover for details
- GPT-5.6 LunaOpenAI
ReasoningCodingCost efficiencyContext windowMultimodalTool use
| Model | Reasoning | Coding | Cost efficiency | Context window | Multimodal | Tool use |
|---|---|---|---|---|---|---|
| Kimi K3 | 100/100 | 100/100 | 10/100 | 93/100 | 50/100 | 50/100 — Tool calling supported; no comparable benchmark |
| GPT-5.6 Luna | 69/100 | 81/100 | 58/100 | 98/100 | 50/100 | 64/100 |
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
246K
340K
Completed sessions
767,281
2,019,664
Token share
0.05%
0.23%
Tokens
559B-68%
2.7T-51%
AUG 31OCT 25
AUG 31OCT 25
RetentionWeek 1
Returning users
42.1%24K user-weeks
56.8%32K user-weeks
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