Model Comparator

Compare up to four models using the same criteria.

GPT-6.1 Terra (Max)
OpenAI
Muse Spark 1.3 (Max)
Meta

Differences only

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

Model Comparator
Metrics	GPT-6.1 Terra (Max) OpenAI	Muse Spark 1.3 (Max) Meta
Intelligence	48.1	48.1
Coding	—	75.8
Agentic	—	55.5
Speed	90.9 t/s	Best: 176 t/s
TTFT	134 s	Best: 42 s
Input · $ / 1M tokens	Best: $1	$1.25×1.3 relative to the lowest price among the compared models
Output · $ / 1M tokens	$5×1.2 relative to the lowest price among the compared models	Best: $4.25
Context window	1M	1M
Reasoning	Yes	Yes
Open weights	Yes	No
Cost / task	Best: $0.404	$1.31×3.3 relative to the lowest price among the compared models

Intelligence

GPT-6.1 Terra (Max): 48.1
Muse Spark 1.3 (Max): 48.1

Coding

GPT-6.1 Terra (Max): —
Muse Spark 1.3 (Max): 75.8

Agentic

GPT-6.1 Terra (Max): —
Muse Spark 1.3 (Max): 55.5

Speed

GPT-6.1 Terra (Max): 90.9 t/s
Muse Spark 1.3 (Max): Best: 176 t/s

TTFT

GPT-6.1 Terra (Max): 134 s
Muse Spark 1.3 (Max): Best: 42 s

Input · $ / 1M tokens

GPT-6.1 Terra (Max): Best: $1
Muse Spark 1.3 (Max): $1.25×1.3 relative to the lowest price among the compared models

Output · $ / 1M tokens

GPT-6.1 Terra (Max): $5×1.2 relative to the lowest price among the compared models
Muse Spark 1.3 (Max): Best: $4.25

Context window

GPT-6.1 Terra (Max): 1M
Muse Spark 1.3 (Max): 1M

Reasoning

GPT-6.1 Terra (Max): Yes
Muse Spark 1.3 (Max): Yes

Open weights

GPT-6.1 Terra (Max): Yes
Muse Spark 1.3 (Max): No

Cost / task

GPT-6.1 Terra (Max): Best: $0.404
Muse Spark 1.3 (Max): $1.31×3.3 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.

GPT-6.1 Terra (Max)48.1 · $0.404
Muse Spark 1.3 (Max)48.1 · $1.31