OpenAI
GPT-5.6 Luna (low)
Quality Score42.2
Value Score37.7
Reliability42.7
Cache Discount90%
Model specification
- Reasoning
- reasoning
- Input modalities
- text, image
- Output modalities
- text
- Context window
- 1M tokens
- Weights
- closed weights
Token prices USD per 1M tokens
- Input
- $0.200
- Output
- $1.20
- Cached Input
- $0.020
- Cached Output
- $0.250
- Cost per task
- $0.0088
Capability
- Intelligence
- 33.9
- Coding
- 44.2
- Agentic
- 25.7
- Omniscience
- -14.7
- Correct
- 39.6%
- Blended price
- $0.174
Answer outcomes
Correct 39.6%Incorrect 54.3%Abstained 6.1%
Artificial Analysis benchmarks
- GDPval-AA v2
- 33%
- τ³-Banking
- 13%
- Terminal-Bench v2.1
- 43%
- SciCode
- 46%
- Humanity’s Last Exam
- 20%
- GPQA Diamond
- 84%
- CritPt
- 3%
- AA-Omniscience
- 43%
- AA-LCR
- 65%
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- GPT-5.6 Luna (high)OpenAIQuality Score 52.8Value Score 48.6
- GPT-5.6 Terra (medium)OpenAIQuality Score 55.6Value Score 37.9