Model Comparator
Compare up to four models using the same criteria.
2 models compared
- GPT-5.6 Terra (Xhigh)
OpenAI
- GPT-6 Luna (Max)
OpenAI
✓ Best published value among measured models. — Data unavailable. These metrics do not establish an overall ranking.
| Metrics | GPT-5.6 Terra (Xhigh) OpenAI | GPT-6 Luna (Max) OpenAI | Add a model · 2/4 |
|---|---|---|---|
| Intelligence | 38 | Best: 38.1 | |
| Coding | 70.6 | — | |
| Agentic | 41.4 | — | |
| Cyber Index | — | 52.7% | |
| Speed | 98.4 t/s | Best: 117 t/s | |
| TTFT | Best: 33.3 s | 118 s | |
| Input · $ / 1M tokens | $2×20 relative to the lowest price among the compared models | Best: $0.10 | |
| Output · $ / 1M tokens | $12×24 relative to the lowest price among the compared models | Best: $0.50 | |
| Context window | 1M | 1M | |
| Reasoning | Yes | Yes | |
| Open weights | No | No | |
| Cost / task | $0.632×9.3 relative to the lowest price among the compared models | Best: $0.0678 |
Intelligence
- GPT-5.6 Terra (Xhigh)
- 38
- GPT-6 Luna (Max)
- Best: 38.1
Coding
- GPT-5.6 Terra (Xhigh)
- 70.6
- GPT-6 Luna (Max)
- —
Agentic
- GPT-5.6 Terra (Xhigh)
- 41.4
- GPT-6 Luna (Max)
- —
Cyber Index
- GPT-5.6 Terra (Xhigh)
- —
- GPT-6 Luna (Max)
- 52.7%
Speed
- GPT-5.6 Terra (Xhigh)
- 98.4 t/s
- GPT-6 Luna (Max)
- Best: 117 t/s
TTFT
- GPT-5.6 Terra (Xhigh)
- Best: 33.3 s
- GPT-6 Luna (Max)
- 118 s
Input · $ / 1M tokens
- GPT-5.6 Terra (Xhigh)
- $2×20 relative to the lowest price among the compared models
- GPT-6 Luna (Max)
- Best: $0.10
Output · $ / 1M tokens
- GPT-5.6 Terra (Xhigh)
- $12×24 relative to the lowest price among the compared models
- GPT-6 Luna (Max)
- Best: $0.50
Context window
- GPT-5.6 Terra (Xhigh)
- 1M
- GPT-6 Luna (Max)
- 1M
Reasoning
- GPT-5.6 Terra (Xhigh)
- Yes
- GPT-6 Luna (Max)
- Yes
Open weights
- GPT-5.6 Terra (Xhigh)
- No
- GPT-6 Luna (Max)
- No
Cost / task
- GPT-5.6 Terra (Xhigh)
- $0.632×9.3 relative to the lowest price among the compared models
- GPT-6 Luna (Max)
- Best: $0.0678
Each reasoning level remains a separate configuration.
Score and cost
Each line joins the reasoning levels of a compared model; the large point marks the configuration in the table. The top-right corner holds the best score for the lowest cost. Select another point to compare that level.
- GPT-5.6 Terra (Xhigh)38 · $0.632
- GPT-6 Luna (Max)38.1 · $0.0678