OpenAIGPT-5.6 Luna (xhigh)
- Released
- Jul 9, 2026
- Tracked since
- 2026-07-23
Intelligence index34.6Ranks 67 of 664 models with this metric
Coding index68.6Ranks 59 of 259 models with this metric
Agentic index38.7Ranks 49 of 156 models with this metric
Capability profile
5 axes vs. site averageGPT-5.6 Luna (xhigh)
Site average
Pricing
per 1M tokens- Input
- $0.200
- Output
- $1.20
- Cache read
- $0.020
- Cache write
- $0.250
Performance
- Output throughput
- 128 tokens/sec
- Time to first token
- 47.21s
- First answer token
- 47.21s
- End-to-end response
- 51.10s
History
8Intelligence index
49.1→34.6
Output
$6.00→$1.20
Output throughput
197→128
Cheaper at this level
Models with a comparable intelligence index and a lower output price- Qwen3.8-Flash-Next
AlibabaIntelligence 39.8$0.470−61% - GLM 5.3 Flash
Z AIIntelligence 41.8$0.500−58% - GPT-6 Luna (max)OpenAIIntelligence 37.3$0.500−58%
- GPT-6 Luna (xhigh)OpenAIIntelligence 33.9$0.500−58%
- MiMo-V2.6-Pro
XiaomiIntelligence 46.3$0.870−28%