Model Comparator

Compare up to four models using the same criteria.

GPT-6 Luna (Low)
OpenAI
GPT-4.5 (Preview)
OpenAI

Differences only

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

Model Comparator
Metrics	GPT-6 Luna (Low) OpenAI	GPT-4.5 (Preview) OpenAI
Intelligence	Best: 9.7	9.6
Speed	113 t/s	—
TTFT	2.56 s	—
Input · $ / 1M tokens	$0.10	—
Output · $ / 1M tokens	$0.50	—
Context window	Best: 1M	128K
Reasoning	Yes	No
Open weights	No	No
Cost / task	$0.0051	—

Intelligence

GPT-6 Luna (Low): Best: 9.7
GPT-4.5 (Preview): 9.6

Speed

GPT-6 Luna (Low): 113 t/s
GPT-4.5 (Preview): —

TTFT

GPT-6 Luna (Low): 2.56 s
GPT-4.5 (Preview): —

Input · $ / 1M tokens

GPT-6 Luna (Low): $0.10
GPT-4.5 (Preview): —

Output · $ / 1M tokens

GPT-6 Luna (Low): $0.50
GPT-4.5 (Preview): —

Context window

GPT-6 Luna (Low): Best: 1M
GPT-4.5 (Preview): 128K

Reasoning

GPT-6 Luna (Low): Yes
GPT-4.5 (Preview): No

Open weights

GPT-6 Luna (Low): No
GPT-4.5 (Preview): No

Cost / task

GPT-6 Luna (Low): $0.0051
GPT-4.5 (Preview): —

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 Luna (Low)9.7 · $0.0051

Not plotted for lack of data on these axes: GPT-4.5 (Preview).