DeepSeek V4 Pro vs GPT-5.6 Sol
Compare DeepSeek V4 Pro by DeepSeek against GPT-5.6 Sol by OpenAI, in 4 community votes, gpt-5.6 sol wins 100% of head-to-head duels, context windows of 1.0M vs 1.1M, tested across 54 shared challenges.
Web Design: GPT-5.6 Sol wins 100% of votes
Our Verdict
GPT-5.6 SolWinner
DeepSeek V4 ProRunner-up
Pick GPT-5.6 Sol. In 4 blind votes, GPT-5.6 Sol wins 100% of the time. That's not luck.
GPT-5.6 Sol particularly excels in Web Design. DeepSeek V4 Pro is 8.6x cheaper per token — worth considering if cost matters.
Clear winner
API pricing
Cost per 1M tokens
DeepSeek V4 Pro
Input
$1.74
2.9× cheaper
Output
$3.48
8.6× cheaper
GPT-5.6 Sol
Input
$5.00
Output
$30.00
DeepSeek V4 Pro is cheaper on both — 2.9× input, 8.6× output
Writing DNA
Style Comparison
Similarity
65%
GPT-5.6 Sol uses 2.1x more headings
DeepSeek V4 Pro
GPT-5.6 Sol
57%Vocabulary63%
18wSentence Length15w
0.52Hedging0.79
3.3Bold3.4
2.3Lists3.8
0.04Emoji0.03
0.45Headings0.95
0.15Transitions0.08
Based on 27 + 27 text responses
Research
What we learned reading every model
FAQ
