Model Comparator

Compare up to four models using the same criteria.

GPT-5.4 mini (Medium)
OpenAI
Claude 4.5 Sonnet (Non-reasoning)
Anthropic

Differences only

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

Model Comparator
Metrics	GPT-5.4 mini (Medium) OpenAI	Claude 4.5 Sonnet (Non-reasoning) Anthropic
Intelligence	Best: 19.7	19.3
Coding	—	52.1
Math	—	37
Agentic	—	15.8
Speed	Best: 205 t/s	41.3 t/s
TTFT	11.6 s	Best: 1.09 s
Input · $ / 1M tokens	Best: $0.75	$3×4 relative to the lowest price among the compared models
Output · $ / 1M tokens	Best: $4.50	$15×3.3 relative to the lowest price among the compared models
Context window	400K	Best: 1M
Reasoning	Yes	No
Open weights	No	No

Intelligence

GPT-5.4 mini (Medium): Best: 19.7
Claude 4.5 Sonnet (Non-reasoning): 19.3

Coding

GPT-5.4 mini (Medium): —
Claude 4.5 Sonnet (Non-reasoning): 52.1

Math

GPT-5.4 mini (Medium): —
Claude 4.5 Sonnet (Non-reasoning): 37

Agentic

GPT-5.4 mini (Medium): —
Claude 4.5 Sonnet (Non-reasoning): 15.8

Speed

GPT-5.4 mini (Medium): Best: 205 t/s
Claude 4.5 Sonnet (Non-reasoning): 41.3 t/s

TTFT

GPT-5.4 mini (Medium): 11.6 s
Claude 4.5 Sonnet (Non-reasoning): Best: 1.09 s

Input · $ / 1M tokens

GPT-5.4 mini (Medium): Best: $0.75
Claude 4.5 Sonnet (Non-reasoning): $3×4 relative to the lowest price among the compared models

Output · $ / 1M tokens

GPT-5.4 mini (Medium): Best: $4.50
Claude 4.5 Sonnet (Non-reasoning): $15×3.3 relative to the lowest price among the compared models

Context window

GPT-5.4 mini (Medium): 400K
Claude 4.5 Sonnet (Non-reasoning): Best: 1M

Reasoning

GPT-5.4 mini (Medium): Yes
Claude 4.5 Sonnet (Non-reasoning): No

Open weights

GPT-5.4 mini (Medium): No
Claude 4.5 Sonnet (Non-reasoning): No

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 mini (Medium)19.7 · $1.69
Claude 4.5 Sonnet (Non-reasoning)19.3 · $6