Model Comparator
Compare up to four models using the same criteria.
2 models compared
- Claude 4.5 Haiku (Reasoning)
Anthropic
- Step 3.5 Flash 2603
StepFun
✓ Best published value among measured models. — Data unavailable. These metrics do not establish an overall ranking.
| Metrics | Claude 4.5 Haiku (Reasoning) Anthropic | Step 3.5 Flash 2603 StepFun | Add a model · 2/4 |
|---|---|---|---|
| Intelligence | 16.9 | Best: 17 | |
| Coding | 43.9 | — | |
| Math | 83.7 | — | |
| Agentic | 8 | — | |
| Speed | 85.9 t/s | Best: 142 t/s | |
| TTFT | 20.8 s | Best: 3.33 s | |
| Input · $ / 1M tokens | $1×10 relative to the lowest price among the compared models | Best: $0.10 | |
| Output · $ / 1M tokens | $5×16.7 relative to the lowest price among the compared models | Best: $0.30 | |
| Context window | 200K | Best: 256K | |
| Reasoning | Yes | Yes | |
| Open weights | No | Yes | |
| Cost / task | $0.277 | — |
Intelligence
- Claude 4.5 Haiku (Reasoning)
- 16.9
- Step 3.5 Flash 2603
- Best: 17
Coding
- Claude 4.5 Haiku (Reasoning)
- 43.9
- Step 3.5 Flash 2603
- —
Math
- Claude 4.5 Haiku (Reasoning)
- 83.7
- Step 3.5 Flash 2603
- —
Agentic
- Claude 4.5 Haiku (Reasoning)
- 8
- Step 3.5 Flash 2603
- —
Speed
- Claude 4.5 Haiku (Reasoning)
- 85.9 t/s
- Step 3.5 Flash 2603
- Best: 142 t/s
TTFT
- Claude 4.5 Haiku (Reasoning)
- 20.8 s
- Step 3.5 Flash 2603
- Best: 3.33 s
Input · $ / 1M tokens
- Claude 4.5 Haiku (Reasoning)
- $1×10 relative to the lowest price among the compared models
- Step 3.5 Flash 2603
- Best: $0.10
Output · $ / 1M tokens
- Claude 4.5 Haiku (Reasoning)
- $5×16.7 relative to the lowest price among the compared models
- Step 3.5 Flash 2603
- Best: $0.30
Context window
- Claude 4.5 Haiku (Reasoning)
- 200K
- Step 3.5 Flash 2603
- Best: 256K
Reasoning
- Claude 4.5 Haiku (Reasoning)
- Yes
- Step 3.5 Flash 2603
- Yes
Open weights
- Claude 4.5 Haiku (Reasoning)
- No
- Step 3.5 Flash 2603
- Yes
Cost / task
- Claude 4.5 Haiku (Reasoning)
- $0.277
- Step 3.5 Flash 2603
- —
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 Haiku (Reasoning)16.9 · $2
- Step 3.5 Flash 260317 · $0.15