Model Comparator

Compare up to four models using the same criteria.

GPT-5 (Low)
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 (Low) OpenAI	Claude 4.5 Sonnet (Non-reasoning) Anthropic
Intelligence	Best: 20.8	20.7
Coding	—	52.1
Math	Best: 83	37
Agentic	—	15.8
Speed	Best: 87.5 t/s	39.3 t/s
TTFT	8.04 s	Best: 1.02 s
Input · $ / 1M tokens	Best: $1.25	$3×2.4 relative to the lowest price among the compared models
Output · $ / 1M tokens	Best: $10	$15×1.5 relative to the lowest price among the compared models
Context window	1M	1M
Reasoning	Yes	No
Open weights	No	No

Intelligence

GPT-5 (Low): Best: 20.8
Claude 4.5 Sonnet (Non-reasoning): 20.7

Coding

GPT-5 (Low): —
Claude 4.5 Sonnet (Non-reasoning): 52.1

Math

GPT-5 (Low): Best: 83
Claude 4.5 Sonnet (Non-reasoning): 37

Agentic

GPT-5 (Low): —
Claude 4.5 Sonnet (Non-reasoning): 15.8

Speed

GPT-5 (Low): Best: 87.5 t/s
Claude 4.5 Sonnet (Non-reasoning): 39.3 t/s

TTFT

GPT-5 (Low): 8.04 s
Claude 4.5 Sonnet (Non-reasoning): Best: 1.02 s

Input · $ / 1M tokens

GPT-5 (Low): Best: $1.25
Claude 4.5 Sonnet (Non-reasoning): $3×2.4 relative to the lowest price among the compared models

Output · $ / 1M tokens

GPT-5 (Low): Best: $10
Claude 4.5 Sonnet (Non-reasoning): $15×1.5 relative to the lowest price among the compared models

Context window

GPT-5 (Low): 1M
Claude 4.5 Sonnet (Non-reasoning): 1M

Reasoning

GPT-5 (Low): Yes
Claude 4.5 Sonnet (Non-reasoning): No

Open weights

GPT-5 (Low): 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 (Low)20.8 · $3.44
Claude 4.5 Sonnet (Non-reasoning)20.7 · $6