Model Comparator

Compare up to four models using the same criteria.

Grok 4 Fast (Reasoning)
SpaceXSI
Qwen3.5 397B A17B (Reasoning)
Alibaba

Differences only

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

Model Comparator
Metrics	Grok 4 Fast (Reasoning) SpaceXSI	Qwen3.5 397B A17B (Reasoning) Alibaba
Intelligence	17.9	Best: 18.4
Coding	—	48.2
Math	89.7	—
Agentic	—	8.3
Speed	—	55.7 t/s
TTFT	—	2.22 s
Input · $ / 1M tokens	Best: $0.20	$0.60×3 relative to the lowest price among the compared models
Output · $ / 1M tokens	Best: $0.50	$3.60×7.2 relative to the lowest price among the compared models
Context window	Best: 2M	262K
Reasoning	Yes	Yes
Open weights	No	Yes
Cost / task	—	$0.475

Intelligence

Grok 4 Fast (Reasoning): 17.9
Qwen3.5 397B A17B (Reasoning): Best: 18.4

Coding

Grok 4 Fast (Reasoning): —
Qwen3.5 397B A17B (Reasoning): 48.2

Math

Grok 4 Fast (Reasoning): 89.7
Qwen3.5 397B A17B (Reasoning): —

Agentic

Grok 4 Fast (Reasoning): —
Qwen3.5 397B A17B (Reasoning): 8.3

Speed

Grok 4 Fast (Reasoning): —
Qwen3.5 397B A17B (Reasoning): 55.7 t/s

TTFT

Grok 4 Fast (Reasoning): —
Qwen3.5 397B A17B (Reasoning): 2.22 s

Input · $ / 1M tokens

Grok 4 Fast (Reasoning): Best: $0.20
Qwen3.5 397B A17B (Reasoning): $0.60×3 relative to the lowest price among the compared models

Output · $ / 1M tokens

Grok 4 Fast (Reasoning): Best: $0.50
Qwen3.5 397B A17B (Reasoning): $3.60×7.2 relative to the lowest price among the compared models

Context window

Grok 4 Fast (Reasoning): Best: 2M
Qwen3.5 397B A17B (Reasoning): 262K

Reasoning

Grok 4 Fast (Reasoning): Yes
Qwen3.5 397B A17B (Reasoning): Yes

Open weights

Grok 4 Fast (Reasoning): No
Qwen3.5 397B A17B (Reasoning): Yes

Cost / task

Grok 4 Fast (Reasoning): —
Qwen3.5 397B A17B (Reasoning): $0.475

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.

Grok 4 Fast (Reasoning)17.9 · $0.275
Qwen3.5 397B A17B (Reasoning)18.4 · $1.35