Compare · ModelsLive · 2 picked · head to head

DeepSeek V3.1 vs GPT-5 Pro

Side by side · benchmarks, pricing, and signals you can act on.

Winner summary

GPT-5 Pro wins 2 of 2 shared benchmarks. Leads in reasoning · coding.

Category leads
reasoning·GPT-5 Procoding·GPT-5 Pro
Hype vs Reality
DeepSeek V3.1
#88 by perf·no signal
QUIET
GPT-5 Pro
#124 by perf·no signal
QUIET
Best value
177.0x better value than GPT-5 Pro
DeepSeek V3.1
113.6 pts/$
$0.45/M
GPT-5 Pro
0.6 pts/$
$67.50/M
Vendor risk
One or more vendors flagged
DeepSeek logo
DeepSeek
$3.4B·Tier 1
Higher risk
OpenAI logo
OpenAI
$840.0B·Tier 1
Medium risk
Head to head
DeepSeek V3.1GPT-5 Pro
SimpleBench
GPT-5 Pro leads by +25.9
SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking.
DeepSeek V3.1
28.0
GPT-5 Pro
53.9
WeirdML
GPT-5 Pro leads by +22.0
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
DeepSeek V3.1
38.4
GPT-5 Pro
60.4
Full benchmark table
BenchmarkDeepSeek V3.1GPT-5 Pro
SimpleBench
SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking.
28.053.9
WeirdML
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
38.460.4
Pricing · per 1M tokens · projected $/mo at 10M tokens
ModelInputOutputContextProjected $/mo
DeepSeek logoDeepSeek V3.1$0.15$0.7533K tokens (~16 books)$3.00
OpenAI logoGPT-5 Pro$15.00$120.00400K tokens (~200 books)$412.50
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