Model Comparator

Compare up to four models using the same criteria.

GPT-5.6 Luna (High)
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 Luna (High) OpenAI	Claude Opus 4.6 (Non-reasoning, High) Anthropic
Intelligence	Best: 32.1	31.9
Coding	63.3	—
Agentic	34.6	—
Speed	Best: 105 t/s	38.2 t/s
TTFT	22.8 s	Best: 1.82 s
Input · $ / 1M tokens	Best: $0.20	$5×25 relative to the lowest price among the compared models
Output · $ / 1M tokens	Best: $1.20	$25×20.8 relative to the lowest price among the compared models
Context window	1M	1M
Reasoning	Yes	No
Open weights	No	No
Cost / task	$0.044	—

Intelligence

GPT-5.6 Luna (High): Best: 32.1
Claude Opus 4.6 (Non-reasoning, High): 31.9

Coding

GPT-5.6 Luna (High): 63.3
Claude Opus 4.6 (Non-reasoning, High): —

Agentic

GPT-5.6 Luna (High): 34.6
Claude Opus 4.6 (Non-reasoning, High): —

Speed

GPT-5.6 Luna (High): Best: 105 t/s
Claude Opus 4.6 (Non-reasoning, High): 38.2 t/s

TTFT

GPT-5.6 Luna (High): 22.8 s
Claude Opus 4.6 (Non-reasoning, High): Best: 1.82 s

Input · $ / 1M tokens

GPT-5.6 Luna (High): Best: $0.20
Claude Opus 4.6 (Non-reasoning, High): $5×25 relative to the lowest price among the compared models

Output · $ / 1M tokens

GPT-5.6 Luna (High): Best: $1.20
Claude Opus 4.6 (Non-reasoning, High): $25×20.8 relative to the lowest price among the compared models

Context window

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

Reasoning

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

Open weights

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

Cost / task

GPT-5.6 Luna (High): $0.044
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 Luna (High)32.1 · $0.45
Claude Opus 4.6 (Non-reasoning, High)31.9 · $10