Model Comparator

Compare up to four models using the same criteria.

GPT-5.6 Terra (Max)
OpenAI
Claude Opus 4.6 (Non-reasoning, High)
Anthropic

Differences only

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

Model Comparator
Metrics	GPT-5.6 Terra (Max) OpenAI	Claude Opus 4.6 (Non-reasoning, High) Anthropic
Intelligence	Best: 32.3	31.9
Coding	76.7	—
Agentic	43.2	—
Speed	Best: 117 t/s	38.2 t/s
TTFT	177 s	Best: 1.82 s
Input · $ / 1M tokens	Best: $2	$5×2.5 relative to the lowest price among the compared models
Output · $ / 1M tokens	Best: $12	$25×2.1 relative to the lowest price among the compared models
Context window	1M	1M
Reasoning	Yes	No
Open weights	No	No
Cost / task	$3.73	—

Intelligence

GPT-5.6 Terra (Max): Best: 32.3
Claude Opus 4.6 (Non-reasoning, High): 31.9

Coding

GPT-5.6 Terra (Max): 76.7
Claude Opus 4.6 (Non-reasoning, High): —

Agentic

GPT-5.6 Terra (Max): 43.2
Claude Opus 4.6 (Non-reasoning, High): —

Speed

GPT-5.6 Terra (Max): Best: 117 t/s
Claude Opus 4.6 (Non-reasoning, High): 38.2 t/s

TTFT

GPT-5.6 Terra (Max): 177 s
Claude Opus 4.6 (Non-reasoning, High): Best: 1.82 s

Input · $ / 1M tokens

GPT-5.6 Terra (Max): Best: $2
Claude Opus 4.6 (Non-reasoning, High): $5×2.5 relative to the lowest price among the compared models

Output · $ / 1M tokens

GPT-5.6 Terra (Max): Best: $12
Claude Opus 4.6 (Non-reasoning, High): $25×2.1 relative to the lowest price among the compared models

Context window

GPT-5.6 Terra (Max): 1M
Claude Opus 4.6 (Non-reasoning, High): 1M

Reasoning

GPT-5.6 Terra (Max): Yes
Claude Opus 4.6 (Non-reasoning, High): No

Open weights

GPT-5.6 Terra (Max): No
Claude Opus 4.6 (Non-reasoning, High): No

Cost / task

GPT-5.6 Terra (Max): $3.73
Claude Opus 4.6 (Non-reasoning, High): —

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-5.6 Terra (Max)32.3 · $4.50
Claude Opus 4.6 (Non-reasoning, High)31.9 · $10