DeepSeek R1 vs GPT-3.5 Turbo

Compare DeepSeek R1 by DeepSeek against GPT-3.5 Turbo by OpenAI, in 1 community votes, deepseek r1 wins 100% of head-to-head duels, context windows of 128K vs 16K, tested across 24 shared challenges. Updated April 2026.

Which is better, DeepSeek R1 or GPT-3.5 Turbo?

DeepSeek R1 is the better choice overall, winning 100% of 1 blind community votes on Rival. DeepSeek R1 costs $0.55/M input tokens vs $1.5/M for GPT-3.5 Turbo. Context windows: 128K vs 16K tokens. Compare their real outputs side by side below.

Key Differences Between DeepSeek R1 and GPT-3.5 Turbo

DeepSeek R1 is made by deepseek while GPT-3.5 Turbo is from openai. DeepSeek R1 has a 128K token context window compared to GPT-3.5 Turbo's 16K. On pricing, DeepSeek R1 costs $0.55/M input tokens vs $1.5/M for GPT-3.5 Turbo. In community voting, In 1 community votes, DeepSeek R1 wins 100% of head-to-head duels.

In 1 community votes, DeepSeek R1 wins 100% of head-to-head duels. Based on blind community voting from the Rival open dataset of 1+ human preference judgments for this pair.

Our Verdict
DeepSeek R1
DeepSeek R1Winner
GPT-3.5 Turbo
GPT-3.5 TurboRunner-up

Pick DeepSeek R1. In 1 blind votes, DeepSeek R1 wins 100% of the time. That's not luck.

Clear winner
Writing DNA

Style Comparison

Similarity
94%

DeepSeek R1 uses 800.0x more bold

DeepSeek R1
GPT-3.5 Turbo
62%Vocabulary61%
15wSentence Length16w
0.52Hedging0.23
8.0Bold0.0
5.7Lists3.7
0.04Emoji0.00
0.62Headings0.00
0.28Transitions0.38
Based on 22 + 11 text responses
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DeepSeek R1GPT-3.5 Turbo

279 AI models invented the same fake scientist.

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