Model Comparator

Compare up to four models using the same criteria.

GPT-5.4 (Xhigh)
OpenAI
Muse Spark 1.2 (Xhigh)
Meta

Differences only

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

Model Comparator
Metrics	GPT-5.4 (Xhigh) OpenAI	Muse Spark 1.2 (Xhigh) Meta
Intelligence	39	Best: 39.6
Coding	71.1	Best: 72.2
Agentic	—	43.2
Speed	85.5 t/s	Best: 322 t/s
TTFT	178 s	Best: 13.6 s
Input · $ / 1M tokens	$2.50×2 relative to the lowest price among the compared models	Best: $1.25
Output · $ / 1M tokens	$15×3.5 relative to the lowest price among the compared models	Best: $4.25
Context window	Best: 1.1M	1M
Reasoning	Yes	Yes
Open weights	No	No
Cost / task	—	$0.975

Intelligence

GPT-5.4 (Xhigh): 39
Muse Spark 1.2 (Xhigh): Best: 39.6

Coding

GPT-5.4 (Xhigh): 71.1
Muse Spark 1.2 (Xhigh): Best: 72.2

Agentic

GPT-5.4 (Xhigh): —
Muse Spark 1.2 (Xhigh): 43.2

Speed

GPT-5.4 (Xhigh): 85.5 t/s
Muse Spark 1.2 (Xhigh): Best: 322 t/s

TTFT

GPT-5.4 (Xhigh): 178 s
Muse Spark 1.2 (Xhigh): Best: 13.6 s

Input · $ / 1M tokens

GPT-5.4 (Xhigh): $2.50×2 relative to the lowest price among the compared models
Muse Spark 1.2 (Xhigh): Best: $1.25

Output · $ / 1M tokens

GPT-5.4 (Xhigh): $15×3.5 relative to the lowest price among the compared models
Muse Spark 1.2 (Xhigh): Best: $4.25

Context window

GPT-5.4 (Xhigh): Best: 1.1M
Muse Spark 1.2 (Xhigh): 1M

Reasoning

GPT-5.4 (Xhigh): Yes
Muse Spark 1.2 (Xhigh): Yes

Open weights

GPT-5.4 (Xhigh): No
Muse Spark 1.2 (Xhigh): No

Cost / task

GPT-5.4 (Xhigh): —
Muse Spark 1.2 (Xhigh): $0.975

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.

GPT-5.4 (Xhigh)39 · $5.63
Muse Spark 1.2 (Xhigh)39.6 · $2