Claude Sonnet 3.6 (2022-10-22) vs GPT-4.5
Compare Claude Sonnet 3.6 (2022-10-22) by Anthropic against GPT-4.5 by OpenAI, context windows of 200K vs 128K, tested across 25 shared challenges.
Our Verdict
GPT-4.5
Claude Sonnet 3.6 (2022-10-22)Runner-up
No community votes yet. On paper, GPT-4.5 has the edge — bigger model tier, newer.
Claude Sonnet 3.6 (2022-10-22) is 10x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Claude Sonnet 3.6 (2022-10-22)
Input
$3.00
25× cheaper
Output
$15.00
10× cheaper
GPT-4.5
Input
$75.00
Output
$150.00
Claude Sonnet 3.6 (2022-10-22) is cheaper on both — 25× input, 10× output
Writing DNA
Style Comparison
Similarity
54%
GPT-4.5 uses 23.1x more headings
Claude Sonnet 3.6 (2022-10-22)
GPT-4.5
66%Vocabulary63%
74wSentence Length16w
0.72Hedging0.57
0.3Bold4.7
8.9Lists6.4
0.00Emoji0.00
0.06Headings1.30
0.09Transitions0.54
Based on 21 + 11 text responses
Research
What we learned reading every model
FAQ
