Model Comparator

Compare up to four models using the same criteria.

Step 3.5 Flash 2603
StepFun
Claude 4.5 Haiku (Non-reasoning)
Anthropic

Differences only

✓ Best published value among measured models. — Data unavailable. These metrics do not establish an overall ranking.

Model Comparator
Metrics	Step 3.5 Flash 2603 StepFun	Claude 4.5 Haiku (Non-reasoning) Anthropic
Intelligence	Best: 17	16.9
Coding	—	43.9
Math	—	39
Agentic	—	8
Speed	Best: 116 t/s	81.9 t/s
TTFT	3.28 s	Best: 0.58 s
Input · $ / 1M tokens	Best: $0.10	$1×10 relative to the lowest price among the compared models
Output · $ / 1M tokens	Best: $0.30	$5×16.7 relative to the lowest price among the compared models
Context window	1M	1M
Reasoning	Yes	No
Open weights	Yes	No

Intelligence

Step 3.5 Flash 2603: Best: 17
Claude 4.5 Haiku (Non-reasoning): 16.9

Coding

Step 3.5 Flash 2603: —
Claude 4.5 Haiku (Non-reasoning): 43.9

Math

Step 3.5 Flash 2603: —
Claude 4.5 Haiku (Non-reasoning): 39

Agentic

Step 3.5 Flash 2603: —
Claude 4.5 Haiku (Non-reasoning): 8

Speed

Step 3.5 Flash 2603: Best: 116 t/s
Claude 4.5 Haiku (Non-reasoning): 81.9 t/s

TTFT

Step 3.5 Flash 2603: 3.28 s
Claude 4.5 Haiku (Non-reasoning): Best: 0.58 s

Input · $ / 1M tokens

Step 3.5 Flash 2603: Best: $0.10
Claude 4.5 Haiku (Non-reasoning): $1×10 relative to the lowest price among the compared models

Output · $ / 1M tokens

Step 3.5 Flash 2603: Best: $0.30
Claude 4.5 Haiku (Non-reasoning): $5×16.7 relative to the lowest price among the compared models

Context window

Step 3.5 Flash 2603: 1M
Claude 4.5 Haiku (Non-reasoning): 1M

Reasoning

Step 3.5 Flash 2603: Yes
Claude 4.5 Haiku (Non-reasoning): No

Open weights

Step 3.5 Flash 2603: Yes
Claude 4.5 Haiku (Non-reasoning): 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.

Step 3.5 Flash 260317 · $0.15
Claude 4.5 Haiku (Non-reasoning)16.9 · $2