DeepSeek R1 vs GPT-4.5
Compare DeepSeek R1 by DeepSeek against GPT-4.5 by OpenAI, in 12 community votes, deepseek r1 wins 80% of head-to-head duels, context windows of 128K vs 128K, tested across 25 shared challenges.
Reasoning: DeepSeek R1 wins 100% of votes
Web Design: DeepSeek R1 wins 100% of votes
Image Generation: GPT-4.5 wins 100% of votes
Our Verdict
DeepSeek R1Winner
GPT-4.5Runner-up
Pick DeepSeek R1. In 12 blind votes, DeepSeek R1 wins 80% of the time. That's not luck.
Pick DeepSeek R1 for Reasoning, Web Design. Pick GPT-4.5 for Image Generation. DeepSeek R1 is 68x cheaper per token — worth considering if cost matters.
Clear winner
API pricing
Cost per 1M tokens
DeepSeek R1
Input
$0.55
136× cheaper
Output
$2.19
68× cheaper
GPT-4.5
Input
$75.00
Output
$150.00
DeepSeek R1 is cheaper on both — 136× input, 68× output
Writing DNA
Style Comparison
Similarity
71%
DeepSeek R1 uses 4.3x more emoji
DeepSeek R1
GPT-4.5
62%Vocabulary63%
15wSentence Length16w
0.52Hedging0.57
8.0Bold4.7
5.7Lists6.4
0.04Emoji0.00
0.62Headings1.30
0.28Transitions0.54
Based on 22 + 11 text responses
Research
What we learned reading every model
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