Model Comparator
Compare up to four models using the same criteria.
2 models compared
- GPT-5.4 mini (Medium)
OpenAI
- Step 3.7 Flash
StepFun
✓ Best published value among measured models. — Data unavailable. These metrics do not establish an overall ranking.
| Metrics | GPT-5.4 mini (Medium) OpenAI | Step 3.7 Flash StepFun | Add a model · 2/4 |
|---|---|---|---|
| Intelligence | Best: 19.7 | 19.5 | |
| Coding | — | 39.6 | |
| Speed | Best: 205 t/s | 190 t/s | |
| TTFT | 11.6 s | Best: 2.53 s | |
| Input · $ / 1M tokens | $0.75×3.8 relative to the lowest price among the compared models | Best: $0.20 | |
| Output · $ / 1M tokens | $4.50×3.9 relative to the lowest price among the compared models | Best: $1.15 | |
| Context window | Best: 400K | 262K | |
| Reasoning | Yes | Yes | |
| Open weights | No | Yes |
Intelligence
- GPT-5.4 mini (Medium)
- Best: 19.7
- Step 3.7 Flash
- 19.5
Coding
- GPT-5.4 mini (Medium)
- —
- Step 3.7 Flash
- 39.6
Speed
- GPT-5.4 mini (Medium)
- Best: 205 t/s
- Step 3.7 Flash
- 190 t/s
TTFT
- GPT-5.4 mini (Medium)
- 11.6 s
- Step 3.7 Flash
- Best: 2.53 s
Input · $ / 1M tokens
- GPT-5.4 mini (Medium)
- $0.75×3.8 relative to the lowest price among the compared models
- Step 3.7 Flash
- Best: $0.20
Output · $ / 1M tokens
- GPT-5.4 mini (Medium)
- $4.50×3.9 relative to the lowest price among the compared models
- Step 3.7 Flash
- Best: $1.15
Context window
- GPT-5.4 mini (Medium)
- Best: 400K
- Step 3.7 Flash
- 262K
Reasoning
- GPT-5.4 mini (Medium)
- Yes
- Step 3.7 Flash
- Yes
Open weights
- GPT-5.4 mini (Medium)
- No
- Step 3.7 Flash
- Yes
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 mini (Medium)19.7 · $1.69
- Step 3.7 Flash19.5 · $0.438