Model Comparator

Compare up to four models using the same criteria.

Claude Opus 5.5 (Medium, Default Fallback)
Anthropic
GPT-5.6 Sol (Max)
OpenAI

Differences only

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

Model Comparator
Metrics	Claude Opus 5.5 (Medium, Default Fallback) Anthropic	GPT-5.6 Sol (Max) OpenAI
Intelligence	Best: 48.2	47
Coding	—	78.3
Agentic	—	47.4
Speed	73.9 t/s	Best: 122 t/s
TTFT	Best: 23.6 s	84.1 s
Input · $ / 1M tokens	$4	$4
Output · $ / 1M tokens	$20	$20
Context window	1M	1M
Reasoning	Yes	Yes
Open weights	No	No
Cost / task	$2.45×1.2 relative to the lowest price among the compared models	Best: $1.99

Intelligence

Claude Opus 5.5 (Medium, Default Fallback): Best: 48.2
GPT-5.6 Sol (Max): 47

Coding

Claude Opus 5.5 (Medium, Default Fallback): —
GPT-5.6 Sol (Max): 78.3

Agentic

Claude Opus 5.5 (Medium, Default Fallback): —
GPT-5.6 Sol (Max): 47.4

Speed

Claude Opus 5.5 (Medium, Default Fallback): 73.9 t/s
GPT-5.6 Sol (Max): Best: 122 t/s

TTFT

Claude Opus 5.5 (Medium, Default Fallback): Best: 23.6 s
GPT-5.6 Sol (Max): 84.1 s

Input · $ / 1M tokens

Claude Opus 5.5 (Medium, Default Fallback): $4
GPT-5.6 Sol (Max): $4

Output · $ / 1M tokens

Claude Opus 5.5 (Medium, Default Fallback): $20
GPT-5.6 Sol (Max): $20

Context window

Claude Opus 5.5 (Medium, Default Fallback): 1M
GPT-5.6 Sol (Max): 1M

Reasoning

Claude Opus 5.5 (Medium, Default Fallback): Yes
GPT-5.6 Sol (Max): Yes

Open weights

Claude Opus 5.5 (Medium, Default Fallback): No
GPT-5.6 Sol (Max): No

Cost / task

Claude Opus 5.5 (Medium, Default Fallback): $2.45×1.2 relative to the lowest price among the compared models
GPT-5.6 Sol (Max): Best: $1.99

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.

Claude Opus 5.5 (Medium, Default Fallback)48.2 · $2.45
GPT-5.6 Sol (Max)47 · $1.99