Compare AI models: GPT-5.6 Luna vs GPT-6 Astra
- GPT-5.6 LunaOpenAI
- GPT-6 AstraOpenAI
ReasoningCodingCost efficiencyContext windowMultimodalTool use
| Model | Reasoning | Coding | Cost efficiency | Context window | Multimodal | Tool use |
|---|---|---|---|---|---|---|
| GPT-5.6 Luna | 67/100 | 81/100 | 63/100 | 98/100 | 50/100 | 64/100 |
| GPT-6 Astra | 100/100 | 100/100 | 4/100 | 98/100 | 50/100 | 67/100 |
Overview
Author
Context length
1.1M
1.1M
Reasoning
True
True
Input modalities
Text, Image, Pdf
Text, Image, Pdf
Output modalities
Text
Text
Providers
Pricing
Input
$0.20/ 1M
$10/ 1M
Output
$1.20/ 1M
$50/ 1M
Cached input
$0.02/ 1M
$1.00/ 1M
MomentumLast 2 mo
Unique users
575K
0
Completed sessions
2,066,994
2
Token share
0.62%
0%
Tokens
5.9T+222%
00%
AUG 11OCT 5
No trend data
RetentionWeek 1
Returning users
55.3%49K user-weeks
Pending