Model Comparator

Compare up to four models using the same criteria.

GPT-5 (Low)
OpenAI
GPT-5.4 nano (Xhigh)
OpenAI

Differences only

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

Model Comparator
Metrics	GPT-5 (Low) OpenAI	GPT-5.4 nano (Xhigh) OpenAI
Intelligence	Best: 20.8	20.7
Coding	—	56.1
Math	83	—
Agentic	—	16
Speed	93.1 t/s	Best: 166 t/s
TTFT	Best: 7.98 s	81 s
Input · $ / 1M tokens	$1.25×6.3 relative to the lowest price among the compared models	Best: $0.20
Output · $ / 1M tokens	$10×8 relative to the lowest price among the compared models	Best: $1.25
Context window	400K	400K
Reasoning	Yes	Yes
Open weights	No	No
Cost / task	—	$0.183

Intelligence

GPT-5 (Low): Best: 20.8
GPT-5.4 nano (Xhigh): 20.7

Coding

GPT-5 (Low): —
GPT-5.4 nano (Xhigh): 56.1

Math

GPT-5 (Low): 83
GPT-5.4 nano (Xhigh): —

Agentic

GPT-5 (Low): —
GPT-5.4 nano (Xhigh): 16

Speed

GPT-5 (Low): 93.1 t/s
GPT-5.4 nano (Xhigh): Best: 166 t/s

TTFT

GPT-5 (Low): Best: 7.98 s
GPT-5.4 nano (Xhigh): 81 s

Input · $ / 1M tokens

GPT-5 (Low): $1.25×6.3 relative to the lowest price among the compared models
GPT-5.4 nano (Xhigh): Best: $0.20

Output · $ / 1M tokens

GPT-5 (Low): $10×8 relative to the lowest price among the compared models
GPT-5.4 nano (Xhigh): Best: $1.25

Context window

GPT-5 (Low): 400K
GPT-5.4 nano (Xhigh): 400K

Reasoning

GPT-5 (Low): Yes
GPT-5.4 nano (Xhigh): Yes

Open weights

GPT-5 (Low): No
GPT-5.4 nano (Xhigh): No

Cost / task

GPT-5 (Low): —
GPT-5.4 nano (Xhigh): $0.183

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 (Low)20.8 · $3.44
GPT-5.4 nano (Xhigh)20.7 · $0.463