Claude Opus 4.8 vs OpenAI: GPT-5.6 Sol
Compare Claude Opus 4.8 by Anthropic against OpenAI: GPT-5.6 Sol by OpenAI, in 10 community votes, openai: gpt-5.6 sol wins 60% of head-to-head duels, context windows of 1.0M vs 1.1M, tested across 54 shared challenges.
Web Design: OpenAI: GPT-5.6 Sol wins 67% of votes
Image Generation: Claude Opus 4.8 and OpenAI: GPT-5.6 Sol are tied
Our Verdict
OpenAI: GPT-5.6 SolWinner
Claude Opus 4.8Runner-up
Pick OpenAI: GPT-5.6 Sol. In 10 blind votes, OpenAI: GPT-5.6 Sol wins 60% of the time. That's not luck.
OpenAI: GPT-5.6 Sol particularly excels in Web Design.
Clear winner
API pricing
Cost per 1M tokens
Claude Opus 4.8
Input
$5.00
Output
$25.00
1.2× cheaper
OpenAI: GPT-5.6 Sol
Input
$5.00
Output
$30.00
Writing DNA
Style Comparison
Similarity
49%
Claude Opus 4.8 uses 23.6x more emoji
Claude Opus 4.8
OpenAI: GPT-5.6 Sol
60%Vocabulary63%
19wSentence Length15w
0.46Hedging0.79
4.7Bold3.4
3.2Lists3.8
0.78Emoji0.03
1.15Headings0.95
0.04Transitions0.08
Based on 27 + 27 text responses
Research
What we learned reading every model
FAQ
