Model Comparator
Compare up to four models using the same criteria.
2 models compared
- GPT-5.6 Luna (High)
OpenAI
- GPT-5.6 Terra (Max)
OpenAI
✓ Best published value among measured models. — Data unavailable. These metrics do not establish an overall ranking.
| Metrics | GPT-5.6 Luna (High) OpenAI | GPT-5.6 Terra (Max) OpenAI | Add a model · 2/4 |
|---|---|---|---|
| Intelligence | 32.1 | Best: 32.3 | |
| Coding | 63.3 | Best: 76.7 | |
| Agentic | 34.6 | Best: 43.2 | |
| Speed | 105 t/s | Best: 117 t/s | |
| TTFT | Best: 22.8 s | 177 s | |
| Input · $ / 1M tokens | Best: $0.20 | $2×10 relative to the lowest price among the compared models | |
| Output · $ / 1M tokens | Best: $1.20 | $12×10 relative to the lowest price among the compared models | |
| Context window | 1M | 1M | |
| Reasoning | Yes | Yes | |
| Open weights | No | No | |
| Cost / task | Best: $0.044 | $3.73×84.9 relative to the lowest price among the compared models |
Intelligence
- GPT-5.6 Luna (High)
- 32.1
- GPT-5.6 Terra (Max)
- Best: 32.3
Coding
- GPT-5.6 Luna (High)
- 63.3
- GPT-5.6 Terra (Max)
- Best: 76.7
Agentic
- GPT-5.6 Luna (High)
- 34.6
- GPT-5.6 Terra (Max)
- Best: 43.2
Speed
- GPT-5.6 Luna (High)
- 105 t/s
- GPT-5.6 Terra (Max)
- Best: 117 t/s
TTFT
- GPT-5.6 Luna (High)
- Best: 22.8 s
- GPT-5.6 Terra (Max)
- 177 s
Input · $ / 1M tokens
- GPT-5.6 Luna (High)
- Best: $0.20
- GPT-5.6 Terra (Max)
- $2×10 relative to the lowest price among the compared models
Output · $ / 1M tokens
- GPT-5.6 Luna (High)
- Best: $1.20
- GPT-5.6 Terra (Max)
- $12×10 relative to the lowest price among the compared models
Context window
- GPT-5.6 Luna (High)
- 1M
- GPT-5.6 Terra (Max)
- 1M
Reasoning
- GPT-5.6 Luna (High)
- Yes
- GPT-5.6 Terra (Max)
- Yes
Open weights
- GPT-5.6 Luna (High)
- No
- GPT-5.6 Terra (Max)
- No
Cost / task
- GPT-5.6 Luna (High)
- Best: $0.044
- GPT-5.6 Terra (Max)
- $3.73×84.9 relative to the lowest price among the compared models
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 Luna (High)32.1 · $0.044
- GPT-5.6 Terra (Max)32.3 · $3.73