Claude Sonnet 3.6 (2022-10-22) vs GPT-5.4
Compare Claude Sonnet 3.6 (2022-10-22) by Anthropic against GPT-5.4 by OpenAI, context windows of 200K vs 1.1M, tested across 53 shared challenges.
Our Verdict
GPT-5.4
Claude Sonnet 3.6 (2022-10-22)Runner-up
No community votes yet. On paper, GPT-5.4 has the edge — bigger model tier, newer, bigger context window.
Slight edge
API pricing
Cost per 1M tokens
Claude Sonnet 3.6 (2022-10-22)
Input
$3.00
Output
$15.00
GPT-5.4
Input
$2.50
1.2× cheaper
Output
$15.00
Writing DNA
Style Comparison
Similarity
62%
GPT-5.4 uses 32.9x more headings
Claude Sonnet 3.6 (2022-10-22)
GPT-5.4
66%Vocabulary54%
74wSentence Length28w
0.72Hedging0.69
0.3Bold4.1
8.9Lists8.1
0.00Emoji0.00
0.06Headings1.84
0.09Transitions0.02
Based on 21 + 22 text responses
Research
What we learned reading every model
FAQ
