DeepSeek V3.1 vs GPT-5 Mini
Compare DeepSeek V3.1 by DeepSeek against GPT-5 Mini by OpenAI, in 27 community votes, deepseek v3.1 wins 67% of head-to-head duels, tested across 54 shared challenges. Updated April 2026.
Which is better, DeepSeek V3.1 or GPT-5 Mini?
DeepSeek V3.1 is the better choice overall, winning 67% of 27 blind community votes on Rival. DeepSeek V3.1 costs $0.2/M input tokens vs $0.25/M for GPT-5 Mini. Compare their real outputs side by side below.
Key Differences Between DeepSeek V3.1 and GPT-5 Mini
DeepSeek V3.1 is made by deepseek while GPT-5 Mini is from openai. On pricing, DeepSeek V3.1 costs $0.2/M input tokens vs $0.25/M for GPT-5 Mini. In community voting, In 27 community votes, DeepSeek V3.1 wins 67% of head-to-head duels.
In 27 community votes, DeepSeek V3.1 wins 67% of head-to-head duels. DeepSeek V3.1 leads in Web Design, while GPT-5 Mini leads in Reasoning. Based on blind community voting from the Rival open dataset of 27+ human preference judgments for this pair.
Pick DeepSeek V3.1. In 27 blind votes, DeepSeek V3.1 wins 67% of the time. That's not luck.
Pick DeepSeek V3.1 for Web Design. Pick GPT-5 Mini for Reasoning.
Style Comparison
DeepSeek V3.1 uses 395.2x more bold
vsAsk them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
