Model Comparator
Compare up to four models using the same criteria.
2 models compared
- Claude 4.5 Sonnet (Non-reasoning)
Anthropic
- Step 3.7 Flash
StepFun
✓ Best published value among measured models. — Data unavailable. These metrics do not establish an overall ranking.
| Metrics | Claude 4.5 Sonnet (Non-reasoning) Anthropic | Step 3.7 Flash StepFun | Add a model · 2/4 |
|---|---|---|---|
| Intelligence | 19.3 | Best: 19.5 | |
| Coding | Best: 52.1 | 39.6 | |
| Math | 37 | — | |
| Agentic | 15.8 | — | |
| Speed | 41 t/s | Best: 185 t/s | |
| TTFT | Best: 1.09 s | 2.53 s | |
| Input · $ / 1M tokens | $3×15 relative to the lowest price among the compared models | Best: $0.20 | |
| Output · $ / 1M tokens | $15×13 relative to the lowest price among the compared models | Best: $1.15 | |
| Context window | Best: 1M | 262K | |
| Reasoning | No | Yes | |
| Open weights | No | Yes |
Intelligence
- Claude 4.5 Sonnet (Non-reasoning)
- 19.3
- Step 3.7 Flash
- Best: 19.5
Coding
- Claude 4.5 Sonnet (Non-reasoning)
- Best: 52.1
- Step 3.7 Flash
- 39.6
Math
- Claude 4.5 Sonnet (Non-reasoning)
- 37
- Step 3.7 Flash
- —
Agentic
- Claude 4.5 Sonnet (Non-reasoning)
- 15.8
- Step 3.7 Flash
- —
Speed
- Claude 4.5 Sonnet (Non-reasoning)
- 41 t/s
- Step 3.7 Flash
- Best: 185 t/s
TTFT
- Claude 4.5 Sonnet (Non-reasoning)
- Best: 1.09 s
- Step 3.7 Flash
- 2.53 s
Input · $ / 1M tokens
- Claude 4.5 Sonnet (Non-reasoning)
- $3×15 relative to the lowest price among the compared models
- Step 3.7 Flash
- Best: $0.20
Output · $ / 1M tokens
- Claude 4.5 Sonnet (Non-reasoning)
- $15×13 relative to the lowest price among the compared models
- Step 3.7 Flash
- Best: $1.15
Context window
- Claude 4.5 Sonnet (Non-reasoning)
- Best: 1M
- Step 3.7 Flash
- 262K
Reasoning
- Claude 4.5 Sonnet (Non-reasoning)
- No
- Step 3.7 Flash
- Yes
Open weights
- Claude 4.5 Sonnet (Non-reasoning)
- 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.
- Claude 4.5 Sonnet (Non-reasoning)19.3 · $6
- Step 3.7 Flash19.5 · $0.438