Model Comparator

Compare up to four models using the same criteria.

Grok 4.3 (High)
SpaceXSI
Muse Spark Open (Xhigh)
Meta

Differences only

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

Model Comparator
Metrics	Grok 4.3 (High) SpaceXSI	Muse Spark Open (Xhigh) Meta
Intelligence	24.9	24.9
Coding	42.2	—
Agentic	15.5	—
Speed	86.6 t/s	Best: 178 t/s
TTFT	27.3 s	Best: 0.81 s
Input · $ / 1M tokens	$1.25	$1.25
Output · $ / 1M tokens	Best: $2.50	$4.25×1.7 relative to the lowest price among the compared models
Context window	1M	1M
Reasoning	Yes	Yes
Open weights	No	Yes
Cost / task	Best: $0.205	$2.02×9.8 relative to the lowest price among the compared models

Intelligence

Grok 4.3 (High): 24.9
Muse Spark Open (Xhigh): 24.9

Coding

Grok 4.3 (High): 42.2
Muse Spark Open (Xhigh): —

Agentic

Grok 4.3 (High): 15.5
Muse Spark Open (Xhigh): —

Speed

Grok 4.3 (High): 86.6 t/s
Muse Spark Open (Xhigh): Best: 178 t/s

TTFT

Grok 4.3 (High): 27.3 s
Muse Spark Open (Xhigh): Best: 0.81 s

Input · $ / 1M tokens

Grok 4.3 (High): $1.25
Muse Spark Open (Xhigh): $1.25

Output · $ / 1M tokens

Grok 4.3 (High): Best: $2.50
Muse Spark Open (Xhigh): $4.25×1.7 relative to the lowest price among the compared models

Context window

Grok 4.3 (High): 1M
Muse Spark Open (Xhigh): 1M

Reasoning

Grok 4.3 (High): Yes
Muse Spark Open (Xhigh): Yes

Open weights

Grok 4.3 (High): No
Muse Spark Open (Xhigh): Yes

Cost / task

Grok 4.3 (High): Best: $0.205
Muse Spark Open (Xhigh): $2.02×9.8 relative to the lowest price among the compared models

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 4.3 (High)24.9 · $0.205
Muse Spark Open (Xhigh)24.9 · $2.02