Model Comparator

Compare up to four models using the same criteria.

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

Intelligence

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

Cyber Index

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

Speed

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

TTFT

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

Input · $ / 1M tokens

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

Output · $ / 1M tokens

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

Context window

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

Reasoning

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

Open weights

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

Cost / task

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

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