Claude Sonnet 3.6 (2022-10-22) vs Claude Opus 4.5
Compare Claude Sonnet 3.6 (2022-10-22) and Claude Opus 4.5, both from Anthropic, tested across 54 shared challenges.
Our Verdict
Claude Opus 4.5
Claude Sonnet 3.6 (2022-10-22)Runner-up
No community votes yet. On paper, Claude Opus 4.5 has the edge — bigger model tier, newer.
Too close to call
API pricing
Cost per 1M tokens
Claude Sonnet 3.6 (2022-10-22)
Input
$3.00
Output
$15.00
Claude Opus 4.5
Input
—
Output
—
Writing DNA
Style Comparison
Similarity
69%
Claude Opus 4.5 uses 15.2x more emoji
Claude Sonnet 3.6 (2022-10-22)
Claude Opus 4.5
66%Vocabulary64%
74wSentence Length55w
0.72Hedging0.86
0.3Bold5.8
8.9Lists4.5
0.00Emoji0.15
0.06Headings1.59
0.09Transitions0.05
Based on 21 + 24 text responses
Research
What we learned reading every model
FAQ
