Claude Sonnet 3.6 (2022-10-22) vs GPT-5.2 Pro
Compare Claude Sonnet 3.6 (2022-10-22) by Anthropic against GPT-5.2 Pro by OpenAI, context windows of 200K vs 400K, tested across 31 shared challenges.
Our Verdict
GPT-5.2 Pro
Claude Sonnet 3.6 (2022-10-22)Runner-up
No community votes yet. On paper, GPT-5.2 Pro has the edge — bigger model tier, newer, bigger context window.
Claude Sonnet 3.6 (2022-10-22) is 11x cheaper per token — worth considering if cost matters.
Slight edge
API pricing
Cost per 1M tokens
Claude Sonnet 3.6 (2022-10-22)
Input
$3.00
7.0× cheaper
Output
$15.00
11× cheaper
GPT-5.2 Pro
Input
$21.00
Output
$168.00
Claude Sonnet 3.6 (2022-10-22) is cheaper on both — 7.0× input, 11× output
Writing DNA
Style Comparison
Similarity
43%
GPT-5.2 Pro uses 25.7x more bold
Claude Sonnet 3.6 (2022-10-22)
GPT-5.2 Pro
66%Vocabulary62%
74wSentence Length19w
0.72Hedging0.39
0.3Bold8.6
8.9Lists3.8
0.00Emoji0.00
0.06Headings1.17
0.09Transitions0.02
Based on 21 + 10 text responses
Research
What we learned reading every model
FAQ
