Model Comparator

Compare up to four models using the same criteria.

Muse Spark Open (Xhigh)
Meta
GPT-5.5 (Xhigh)
OpenAI

Differences only

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

Model Comparator
Metrics	Muse Spark Open (Xhigh) Meta	GPT-5.5 (Xhigh) OpenAI
Intelligence	Best: 38.9	38.4
Coding	—	74.9
Agentic	—	36.4
Speed	Best: 134 t/s	96.3 t/s
TTFT	Best: 0.73 s	34.7 s
Input · $ / 1M tokens	Best: $1.25	$5×4 relative to the lowest price among the compared models
Output · $ / 1M tokens	Best: $4.25	$30×7.1 relative to the lowest price among the compared models
Context window	Best: 1M	922K
Reasoning	Yes	Yes
Open weights	Yes	No
Cost / task	Best: $0.844	$2.63×3.1 relative to the lowest price among the compared models

Intelligence

Muse Spark Open (Xhigh): Best: 38.9
GPT-5.5 (Xhigh): 38.4

Coding

Muse Spark Open (Xhigh): —
GPT-5.5 (Xhigh): 74.9

Agentic

Muse Spark Open (Xhigh): —
GPT-5.5 (Xhigh): 36.4

Speed

Muse Spark Open (Xhigh): Best: 134 t/s
GPT-5.5 (Xhigh): 96.3 t/s

TTFT

Muse Spark Open (Xhigh): Best: 0.73 s
GPT-5.5 (Xhigh): 34.7 s

Input · $ / 1M tokens

Muse Spark Open (Xhigh): Best: $1.25
GPT-5.5 (Xhigh): $5×4 relative to the lowest price among the compared models

Output · $ / 1M tokens

Muse Spark Open (Xhigh): Best: $4.25
GPT-5.5 (Xhigh): $30×7.1 relative to the lowest price among the compared models

Context window

Muse Spark Open (Xhigh): Best: 1M
GPT-5.5 (Xhigh): 922K

Reasoning

Muse Spark Open (Xhigh): Yes
GPT-5.5 (Xhigh): Yes

Open weights

Muse Spark Open (Xhigh): Yes
GPT-5.5 (Xhigh): No

Cost / task

Muse Spark Open (Xhigh): Best: $0.844
GPT-5.5 (Xhigh): $2.63×3.1 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.

Muse Spark Open (Xhigh)38.9 · $0.844
GPT-5.5 (Xhigh)38.4 · $2.63