Model Comparator

Compare up to four models using the same criteria.

Grok 4.1 Fast (Reasoning)
SpaceXSI
Qwen3.5 Omni Plus
Alibaba

Differences only

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

Model Comparator
Metrics	Grok 4.1 Fast (Reasoning) SpaceXSI	Qwen3.5 Omni Plus Alibaba
Intelligence	20.4	20.4
Math	89.3	—
Speed	—	88.1 t/s
TTFT	—	2.11 s
Input · $ / 1M tokens	—	$0.40
Output · $ / 1M tokens	—	$4.80
Context window	Best: 2M	256K
Reasoning	Yes	No
Open weights	No	No

Intelligence

Grok 4.1 Fast (Reasoning): 20.4
Qwen3.5 Omni Plus: 20.4

Math

Grok 4.1 Fast (Reasoning): 89.3
Qwen3.5 Omni Plus: —

Speed

Grok 4.1 Fast (Reasoning): —
Qwen3.5 Omni Plus: 88.1 t/s

TTFT

Grok 4.1 Fast (Reasoning): —
Qwen3.5 Omni Plus: 2.11 s

Input · $ / 1M tokens

Grok 4.1 Fast (Reasoning): —
Qwen3.5 Omni Plus: $0.40

Output · $ / 1M tokens

Grok 4.1 Fast (Reasoning): —
Qwen3.5 Omni Plus: $4.80

Context window

Grok 4.1 Fast (Reasoning): Best: 2M
Qwen3.5 Omni Plus: 256K

Reasoning

Grok 4.1 Fast (Reasoning): Yes
Qwen3.5 Omni Plus: No

Open weights

Grok 4.1 Fast (Reasoning): No
Qwen3.5 Omni Plus: 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 Omni Plus20.4 · $1.50

Not plotted for lack of data on these axes: Grok 4.1 Fast (Reasoning).