Model Comparator

Compare up to four models using the same criteria.

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

Differences only

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

Model Comparator
Metrics	Qwen3.5 4B (Reasoning) Alibaba	GPT-5 nano (High) OpenAI
Intelligence	Best: 13.1	13
Coding	22.6	—
Math	—	83.7
Speed	19.2 t/s	Best: 162 t/s
TTFT	Best: 0.87 s	71.6 s
Input · $ / 1M tokens	Best: $0.030	$0.050×1.7 relative to the lowest price among the compared models
Output · $ / 1M tokens	Best: $0.15	$0.40×2.7 relative to the lowest price among the compared models
Context window	262K	Best: 400K
Reasoning	Yes	Yes
Open weights	Yes	No

Intelligence

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

Coding

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

Math

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

Speed

Qwen3.5 4B (Reasoning): 19.2 t/s
GPT-5 nano (High): Best: 162 t/s

TTFT

Qwen3.5 4B (Reasoning): Best: 0.87 s
GPT-5 nano (High): 71.6 s

Input · $ / 1M tokens

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

Output · $ / 1M tokens

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

Context window

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

Reasoning

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

Open weights

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

Qwen3.5 4B (Reasoning)13.1 · $0.060
GPT-5 nano (High)13 · $0.138