Model Comparator

Compare up to four models using the same criteria.

GPT-6.1 Terra (Low)
OpenAI
Claude Opus 4.5 (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-6.1 Terra (Low) OpenAI	Claude Opus 4.5 (Non-reasoning) Anthropic
Intelligence	Best: 29.4	29.1
Math	—	62.7
Speed	Best: 84.5 t/s	46.8 t/s
TTFT	1.51 s	Best: 1.11 s
Input · $ / 1M tokens	Best: $1	$5×5 relative to the lowest price among the compared models
Output · $ / 1M tokens	Best: $5	$25×5 relative to the lowest price among the compared models
Context window	1M	1M
Reasoning	Yes	No
Open weights	No	No
Cost / task	$0.0713	—

Intelligence

GPT-6.1 Terra (Low): Best: 29.4
Claude Opus 4.5 (Non-reasoning): 29.1

Math

GPT-6.1 Terra (Low): —
Claude Opus 4.5 (Non-reasoning): 62.7

Speed

GPT-6.1 Terra (Low): Best: 84.5 t/s
Claude Opus 4.5 (Non-reasoning): 46.8 t/s

TTFT

GPT-6.1 Terra (Low): 1.51 s
Claude Opus 4.5 (Non-reasoning): Best: 1.11 s

Input · $ / 1M tokens

GPT-6.1 Terra (Low): Best: $1
Claude Opus 4.5 (Non-reasoning): $5×5 relative to the lowest price among the compared models

Output · $ / 1M tokens

GPT-6.1 Terra (Low): Best: $5
Claude Opus 4.5 (Non-reasoning): $25×5 relative to the lowest price among the compared models

Context window

GPT-6.1 Terra (Low): 1M
Claude Opus 4.5 (Non-reasoning): 1M

Reasoning

GPT-6.1 Terra (Low): Yes
Claude Opus 4.5 (Non-reasoning): No

Open weights

GPT-6.1 Terra (Low): No
Claude Opus 4.5 (Non-reasoning): No

Cost / task

GPT-6.1 Terra (Low): $0.0713
Claude Opus 4.5 (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-6.1 Terra (Low)29.4 · $2
Claude Opus 4.5 (Non-reasoning)29.1 · $10