OpenAI
GPT-5.6 Terra (max)
Quality Score64.6
Value Score44.4
Reliability50.0
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
- $2.00
- Output
- $12.00
- Cached Input
- $0.200
- Cached Output
- $2.50
- Cost per task
- $0.508
Capability
- Intelligence
- 56.6
- Coding
- 76.7
- Agentic
- 50.2
- Omniscience
- 0.1
- Correct
- 46.8%
- Blended price
- $1.74
Answer outcomes
Correct 46.8%Incorrect 46.8%Abstained 6.5%
Artificial Analysis benchmarks
- GDPval-AA v2
- 54%
- τ³-Banking
- 40%
- Terminal-Bench v2.1
- 88%
- SciCode
- 54%
- Humanity’s Last Exam
- 43%
- GPQA Diamond
- 93%
- CritPt
- 30%
- AA-Omniscience
- 50%
- AA-LCR
- 80%
Similar models
- GPT-5.6 Sol (low)OpenAIQuality Score 66.4Value Score 39.2
- GPT-5.6 Sol (medium)OpenAIQuality Score 70.1Value Score 42.0
- GPT-5.6 Terra (xhigh)OpenAIQuality Score 60.6Value Score 41.8
- GPT-5.6 Sol (high)OpenAIQuality Score 71.5Value Score 43.1
- GPT-5.6 Sol (xhigh)OpenAIQuality Score 73.0Value Score 44.1
- GPT-5.6 Luna (max)OpenAIQuality Score 57.3Value Score 53.2