Model Comparator

Compare up to four models using the same criteria.

GPT-6 Luna (Non-reasoning)
OpenAI
Claude 4.1 Opus (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-6 Luna (Non-reasoning) OpenAI	Claude 4.1 Opus (Non-reasoning) Anthropic
Intelligence	18.5	Best: 18.6
Speed	111 t/s	—
TTFT	0.94 s	—
Input · $ / 1M tokens	Best: $0.10	$15×150 relative to the lowest price among the compared models
Output · $ / 1M tokens	Best: $0.50	$75×150 relative to the lowest price among the compared models
Context window	Best: 1M	200K
Reasoning	No	No
Open weights	No	No
Cost / task	$0.0113	—

Intelligence

GPT-6 Luna (Non-reasoning): 18.5
Claude 4.1 Opus (Non-reasoning): Best: 18.6

Speed

GPT-6 Luna (Non-reasoning): 111 t/s
Claude 4.1 Opus (Non-reasoning): —

TTFT

GPT-6 Luna (Non-reasoning): 0.94 s
Claude 4.1 Opus (Non-reasoning): —

Input · $ / 1M tokens

GPT-6 Luna (Non-reasoning): Best: $0.10
Claude 4.1 Opus (Non-reasoning): $15×150 relative to the lowest price among the compared models

Output · $ / 1M tokens

GPT-6 Luna (Non-reasoning): Best: $0.50
Claude 4.1 Opus (Non-reasoning): $75×150 relative to the lowest price among the compared models

Context window

GPT-6 Luna (Non-reasoning): Best: 1M
Claude 4.1 Opus (Non-reasoning): 200K

Reasoning

GPT-6 Luna (Non-reasoning): No
Claude 4.1 Opus (Non-reasoning): No

Open weights

GPT-6 Luna (Non-reasoning): No
Claude 4.1 Opus (Non-reasoning): No

Cost / task

GPT-6 Luna (Non-reasoning): $0.0113
Claude 4.1 Opus (Non-reasoning): —

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 (Non-reasoning)18.5 · $0.20
Claude 4.1 Opus (Non-reasoning)18.6 · $30