Model Comparator

Compare up to four models using the same criteria.

Claude Opus 5.5 (Max, Default Fallback)
Anthropic
Claude Sonnet 5.5 (Max, Default Fallback)
Anthropic

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 (Max, Default Fallback) Anthropic	Claude Sonnet 5.5 (Max, Default Fallback) Anthropic
Intelligence	Best: 57.6	56
Cyber Index	28.7%	—
Speed	95.2 t/s	Best: 129 t/s
TTFT	679 s	Best: 446 s
Input · $ / 1M tokens	$4×2 relative to the lowest price among the compared models	Best: $2
Output · $ / 1M tokens	$20×2 relative to the lowest price among the compared models	Best: $10
Context window	1M	1M
Reasoning	Yes	Yes
Open weights	No	No
Cost / task	$5.98×1.1 relative to the lowest price among the compared models	Best: $5.46

Intelligence

Claude Opus 5.5 (Max, Default Fallback): Best: 57.6
Claude Sonnet 5.5 (Max, Default Fallback): 56

Cyber Index

Claude Opus 5.5 (Max, Default Fallback): 28.7%
Claude Sonnet 5.5 (Max, Default Fallback): —

Speed

Claude Opus 5.5 (Max, Default Fallback): 95.2 t/s
Claude Sonnet 5.5 (Max, Default Fallback): Best: 129 t/s

TTFT

Claude Opus 5.5 (Max, Default Fallback): 679 s
Claude Sonnet 5.5 (Max, Default Fallback): Best: 446 s

Input · $ / 1M tokens

Claude Opus 5.5 (Max, Default Fallback): $4×2 relative to the lowest price among the compared models
Claude Sonnet 5.5 (Max, Default Fallback): Best: $2

Output · $ / 1M tokens

Claude Opus 5.5 (Max, Default Fallback): $20×2 relative to the lowest price among the compared models
Claude Sonnet 5.5 (Max, Default Fallback): Best: $10

Context window

Claude Opus 5.5 (Max, Default Fallback): 1M
Claude Sonnet 5.5 (Max, Default Fallback): 1M

Reasoning

Claude Opus 5.5 (Max, Default Fallback): Yes
Claude Sonnet 5.5 (Max, Default Fallback): Yes

Open weights

Claude Opus 5.5 (Max, Default Fallback): No
Claude Sonnet 5.5 (Max, Default Fallback): No

Cost / task

Claude Opus 5.5 (Max, Default Fallback): $5.98×1.1 relative to the lowest price among the compared models
Claude Sonnet 5.5 (Max, Default Fallback): Best: $5.46

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 (Max, Default Fallback)57.6 · $5.98
Claude Sonnet 5.5 (Max, Default Fallback)56 · $5.46