Model Comparator
Compare up to four models using the same criteria.
2 models compared
- GPT-5.4 (Low)
OpenAI
- GPT-6 Luna (Max)
OpenAI
✓ Best published value among measured models. — Data unavailable. These metrics do not establish an overall ranking.
| Metrics | GPT-5.4 (Low) OpenAI | GPT-6 Luna (Max) OpenAI | Add a model · 2/4 |
|---|---|---|---|
| Intelligence | 27.6 | Best: 27.9 | |
| Cyber Index | — | 52.7% | |
| Speed | 55.3 t/s | Best: 112 t/s | |
| TTFT | Best: 2.22 s | 129 s | |
| Input · $ / 1M tokens | $2.50×25 relative to the lowest price among the compared models | Best: $0.10 | |
| Output · $ / 1M tokens | $15×30 relative to the lowest price among the compared models | Best: $0.50 | |
| Context window | Best: 1.1M | 1M | |
| Reasoning | Yes | Yes | |
| Open weights | No | Yes | |
| Cost / task | — | $0.152 |
Intelligence
- GPT-5.4 (Low)
- 27.6
- GPT-6 Luna (Max)
- Best: 27.9
Cyber Index
- GPT-5.4 (Low)
- —
- GPT-6 Luna (Max)
- 52.7%
Speed
- GPT-5.4 (Low)
- 55.3 t/s
- GPT-6 Luna (Max)
- Best: 112 t/s
TTFT
- GPT-5.4 (Low)
- Best: 2.22 s
- GPT-6 Luna (Max)
- 129 s
Input · $ / 1M tokens
- GPT-5.4 (Low)
- $2.50×25 relative to the lowest price among the compared models
- GPT-6 Luna (Max)
- Best: $0.10
Output · $ / 1M tokens
- GPT-5.4 (Low)
- $15×30 relative to the lowest price among the compared models
- GPT-6 Luna (Max)
- Best: $0.50
Context window
- GPT-5.4 (Low)
- Best: 1.1M
- GPT-6 Luna (Max)
- 1M
Reasoning
- GPT-5.4 (Low)
- Yes
- GPT-6 Luna (Max)
- Yes
Open weights
- GPT-5.4 (Low)
- No
- GPT-6 Luna (Max)
- Yes
Cost / task
- GPT-5.4 (Low)
- —
- GPT-6 Luna (Max)
- $0.152
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-5.4 (Low)27.6 · $5.63
- GPT-6 Luna (Max)27.9 · $0.20