Model Comparator

Compare up to four models using the same criteria.

GPT-5 Nano (batch)
OpenAI
DeepSeek R1 0528 (May '25)
DeepSeek

Differences only

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

Model Comparator
Metrics	GPT-5 Nano (batch) OpenAI	DeepSeek R1 0528 (May '25) DeepSeek
Intelligence	13	Best: 13.1
Coding	—	24.6
Math	—	76
Agentic	—	1.1
Speed	—	28 t/s
TTFT	—	1.33 s
Input · $ / 1M tokens	Best: $0.025	$1.85×74 relative to the lowest price among the compared models
Output · $ / 1M tokens	Best: $0.20	$2.75×13.8 relative to the lowest price among the compared models
Context window	400K	Best: 1M
Reasoning	Yes	Yes
Open weights	—	Yes

Intelligence

GPT-5 Nano (batch): 13
DeepSeek R1 0528 (May '25): Best: 13.1

Coding

GPT-5 Nano (batch): —
DeepSeek R1 0528 (May '25): 24.6

Math

GPT-5 Nano (batch): —
DeepSeek R1 0528 (May '25): 76

Agentic

GPT-5 Nano (batch): —
DeepSeek R1 0528 (May '25): 1.1

Speed

GPT-5 Nano (batch): —
DeepSeek R1 0528 (May '25): 28 t/s

TTFT

GPT-5 Nano (batch): —
DeepSeek R1 0528 (May '25): 1.33 s

Input · $ / 1M tokens

GPT-5 Nano (batch): Best: $0.025
DeepSeek R1 0528 (May '25): $1.85×74 relative to the lowest price among the compared models

Output · $ / 1M tokens

GPT-5 Nano (batch): Best: $0.20
DeepSeek R1 0528 (May '25): $2.75×13.8 relative to the lowest price among the compared models

Context window

GPT-5 Nano (batch): 400K
DeepSeek R1 0528 (May '25): Best: 1M

Reasoning

GPT-5 Nano (batch): Yes
DeepSeek R1 0528 (May '25): Yes

Open weights

GPT-5 Nano (batch): —
DeepSeek R1 0528 (May '25): Yes

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 Nano (batch)13 · $0.0687
DeepSeek R1 0528 (May '25)13.1 · $2.08