Model Comparator
Compare up to four models using the same criteria.
2 models compared
- GPT-6.1 Terra (Low)
OpenAI
- GPT-5.6 Luna (Max)
OpenAI
✓ Best published value among measured models. — Data unavailable. These metrics do not establish an overall ranking.
| Metrics | GPT-6.1 Terra (Low) OpenAI | GPT-5.6 Luna (Max) OpenAI | Add a model · 2/4 |
|---|---|---|---|
| Intelligence | 36.2 | Best: 37.3 | |
| Coding | — | 71.4 | |
| Agentic | — | 42.1 | |
| Speed | 91 t/s | Best: 126 t/s | |
| TTFT | Best: 1.28 s | 132 s | |
| Input · $ / 1M tokens | $1×5 relative to the lowest price among the compared models | Best: $0.20 | |
| Output · $ / 1M tokens | $5×4.2 relative to the lowest price among the compared models | Best: $1.20 | |
| Context window | 1M | 1M | |
| Reasoning | Yes | Yes | |
| Open weights | No | No | |
| Cost / task | Best: $0.0546 | $0.178×3.3 relative to the lowest price among the compared models |
Intelligence
- GPT-6.1 Terra (Low)
- 36.2
- GPT-5.6 Luna (Max)
- Best: 37.3
Coding
- GPT-6.1 Terra (Low)
- —
- GPT-5.6 Luna (Max)
- 71.4
Agentic
- GPT-6.1 Terra (Low)
- —
- GPT-5.6 Luna (Max)
- 42.1
Speed
- GPT-6.1 Terra (Low)
- 91 t/s
- GPT-5.6 Luna (Max)
- Best: 126 t/s
TTFT
- GPT-6.1 Terra (Low)
- Best: 1.28 s
- GPT-5.6 Luna (Max)
- 132 s
Input · $ / 1M tokens
- GPT-6.1 Terra (Low)
- $1×5 relative to the lowest price among the compared models
- GPT-5.6 Luna (Max)
- Best: $0.20
Output · $ / 1M tokens
- GPT-6.1 Terra (Low)
- $5×4.2 relative to the lowest price among the compared models
- GPT-5.6 Luna (Max)
- Best: $1.20
Context window
- GPT-6.1 Terra (Low)
- 1M
- GPT-5.6 Luna (Max)
- 1M
Reasoning
- GPT-6.1 Terra (Low)
- Yes
- GPT-5.6 Luna (Max)
- Yes
Open weights
- GPT-6.1 Terra (Low)
- No
- GPT-5.6 Luna (Max)
- No
Cost / task
- GPT-6.1 Terra (Low)
- Best: $0.0546
- GPT-5.6 Luna (Max)
- $0.178×3.3 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-6.1 Terra (Low)36.2 · $0.0546
- GPT-5.6 Luna (Max)37.3 · $0.178