Model Comparator

Compare up to four models using the same criteria.

GPT-5 nano (High)
OpenAI
Qwen3.5 4B (Reasoning)
Alibaba

Differences only

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

Model Comparator
Metrics	GPT-5 nano (High) OpenAI	Qwen3.5 4B (Reasoning) Alibaba
Intelligence	13	Best: 13.1
Coding	—	22.6
Math	83.7	—
Speed	Best: 159 t/s	19.9 t/s
TTFT	70.7 s	Best: 0.85 s
Input · $ / 1M tokens	$0.050×1.7 relative to the lowest price among the compared models	Best: $0.030
Output · $ / 1M tokens	$0.40×2.7 relative to the lowest price among the compared models	Best: $0.15
Context window	Best: 400K	262K
Reasoning	Yes	Yes
Open weights	No	Yes

Intelligence

GPT-5 nano (High): 13
Qwen3.5 4B (Reasoning): Best: 13.1

Coding

GPT-5 nano (High): —
Qwen3.5 4B (Reasoning): 22.6

Math

GPT-5 nano (High): 83.7
Qwen3.5 4B (Reasoning): —

Speed

GPT-5 nano (High): Best: 159 t/s
Qwen3.5 4B (Reasoning): 19.9 t/s

TTFT

GPT-5 nano (High): 70.7 s
Qwen3.5 4B (Reasoning): Best: 0.85 s

Input · $ / 1M tokens

GPT-5 nano (High): $0.050×1.7 relative to the lowest price among the compared models
Qwen3.5 4B (Reasoning): Best: $0.030

Output · $ / 1M tokens

GPT-5 nano (High): $0.40×2.7 relative to the lowest price among the compared models
Qwen3.5 4B (Reasoning): Best: $0.15

Context window

GPT-5 nano (High): Best: 400K
Qwen3.5 4B (Reasoning): 262K

Reasoning

GPT-5 nano (High): Yes
Qwen3.5 4B (Reasoning): Yes

Open weights

GPT-5 nano (High): No
Qwen3.5 4B (Reasoning): 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 nano (High)13 · $0.138
Qwen3.5 4B (Reasoning)13.1 · $0.060