Model Comparator
Compare up to four models using the same criteria.
2 models compared
- GPT-5.4 nano (Medium)
OpenAI
✓ Best published value among measured models. — Data unavailable. These metrics do not establish an overall ranking.
| Metrics | GPT-5.4 nano (Medium) OpenAI | Add a model · 2/4 | |
|---|---|---|---|
| Intelligence | 20 | Best: 20.4 | |
| Math | — | 91.7 | |
| Speed | 161 t/s | Best: 175 t/s | |
| TTFT | Best: 4.65 s | 18.8 s | |
| Input · $ / 1M tokens | Best: $0.20 | $0.25×1.3 relative to the lowest price among the compared models | |
| Output · $ / 1M tokens | Best: $1.25 | $2×1.6 relative to the lowest price among the compared models | |
| Context window | 400K | 400K | |
| Reasoning | Yes | Yes | |
| Open weights | No | No |
Intelligence
- GPT-5.4 nano (Medium)
- 20
- GPT-5.1 Codex mini (High)
- Best: 20.4
Math
- GPT-5.4 nano (Medium)
- —
- GPT-5.1 Codex mini (High)
- 91.7
Speed
- GPT-5.4 nano (Medium)
- 161 t/s
- GPT-5.1 Codex mini (High)
- Best: 175 t/s
TTFT
- GPT-5.4 nano (Medium)
- Best: 4.65 s
- GPT-5.1 Codex mini (High)
- 18.8 s
Input · $ / 1M tokens
- GPT-5.4 nano (Medium)
- Best: $0.20
- GPT-5.1 Codex mini (High)
- $0.25×1.3 relative to the lowest price among the compared models
Output · $ / 1M tokens
- GPT-5.4 nano (Medium)
- Best: $1.25
- GPT-5.1 Codex mini (High)
- $2×1.6 relative to the lowest price among the compared models
Context window
- GPT-5.4 nano (Medium)
- 400K
- GPT-5.1 Codex mini (High)
- 400K
Reasoning
- GPT-5.4 nano (Medium)
- Yes
- GPT-5.1 Codex mini (High)
- Yes
Open weights
- GPT-5.4 nano (Medium)
- No
- GPT-5.1 Codex mini (High)
- No
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 nano (Medium)20 · $0.463
- GPT-5.1 Codex mini (High)20.4 · $0.688