Model Comparator
Compare up to four models using the same criteria.
2 models compared
- Step 3.5 Flash
StepFun
- o4 Mini (batch)
OpenAI
✓ Best published value among measured models. — Data unavailable. These metrics do not establish an overall ranking.
| Metrics | Step 3.5 Flash StepFun | o4 Mini (batch) OpenAI | Add a model · 2/4 |
|---|---|---|---|
| Intelligence | 16.6 | Best: 16.7 | |
| Speed | 127 t/s | — | |
| TTFT | 3.31 s | — | |
| Input · $ / 1M tokens | Best: $0.10 | $0.55×5.5 relative to the lowest price among the compared models | |
| Output · $ / 1M tokens | Best: $0.30 | $2.20×7.3 relative to the lowest price among the compared models | |
| Context window | Best: 256K | 200K | |
| Reasoning | Yes | Yes | |
| Open weights | Yes | — |
Intelligence
- Step 3.5 Flash
- 16.6
- o4 Mini (batch)
- Best: 16.7
Speed
- Step 3.5 Flash
- 127 t/s
- o4 Mini (batch)
- —
TTFT
- Step 3.5 Flash
- 3.31 s
- o4 Mini (batch)
- —
Input · $ / 1M tokens
- Step 3.5 Flash
- Best: $0.10
- o4 Mini (batch)
- $0.55×5.5 relative to the lowest price among the compared models
Output · $ / 1M tokens
- Step 3.5 Flash
- Best: $0.30
- o4 Mini (batch)
- $2.20×7.3 relative to the lowest price among the compared models
Context window
- Step 3.5 Flash
- Best: 256K
- o4 Mini (batch)
- 200K
Reasoning
- Step 3.5 Flash
- Yes
- o4 Mini (batch)
- Yes
Open weights
- Step 3.5 Flash
- Yes
- o4 Mini (batch)
- —
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.
- Step 3.5 Flash16.6 · $0.15
- o4 Mini (batch)16.7 · $0.963