Model Comparator

Compare up to four models using the same criteria.

Claude 4.1 Opus (Reasoning)
Anthropic
Qwen3.5 27B (Reasoning)
Alibaba

Differences only

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

Model Comparator
Metrics	Claude 4.1 Opus (Reasoning) Anthropic	Qwen3.5 27B (Reasoning) Alibaba
Intelligence	22.8	Best: 22.9
Math	80.3	—
Speed	—	76.6 t/s
TTFT	—	5.67 s
Input · $ / 1M tokens	$15×50 relative to the lowest price among the compared models	Best: $0.30
Output · $ / 1M tokens	$75×31.3 relative to the lowest price among the compared models	Best: $2.40
Context window	200K	Best: 262K
Reasoning	Yes	Yes
Open weights	No	Yes

Intelligence

Claude 4.1 Opus (Reasoning): 22.8
Qwen3.5 27B (Reasoning): Best: 22.9

Math

Claude 4.1 Opus (Reasoning): 80.3
Qwen3.5 27B (Reasoning): —

Speed

Claude 4.1 Opus (Reasoning): —
Qwen3.5 27B (Reasoning): 76.6 t/s

TTFT

Claude 4.1 Opus (Reasoning): —
Qwen3.5 27B (Reasoning): 5.67 s

Input · $ / 1M tokens

Claude 4.1 Opus (Reasoning): $15×50 relative to the lowest price among the compared models
Qwen3.5 27B (Reasoning): Best: $0.30

Output · $ / 1M tokens

Claude 4.1 Opus (Reasoning): $75×31.3 relative to the lowest price among the compared models
Qwen3.5 27B (Reasoning): Best: $2.40

Context window

Claude 4.1 Opus (Reasoning): 200K
Qwen3.5 27B (Reasoning): Best: 262K

Reasoning

Claude 4.1 Opus (Reasoning): Yes
Qwen3.5 27B (Reasoning): Yes

Open weights

Claude 4.1 Opus (Reasoning): No
Qwen3.5 27B (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.

Claude 4.1 Opus (Reasoning)22.8 · $30
Qwen3.5 27B (Reasoning)22.9 · $0.825