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 on 2/2 benchmarks
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
Attention vs performance
DeepSeek V3.1
#88 by perf·no signal
GPT-5 Pro
#124 by perf·no signal
Best value
DeepSeek V3.1
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
Mixed exposure
One or more vendors flagged
DeepSeek
$3.4B·Tier 1
OpenAI
$840.0B·Tier 1
Head to head
2 benchmarks · 2 models
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
| Benchmark | DeepSeek V3.1 | GPT-5 Pro |
|---|---|---|
SimpleBench SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking. | 28.0 | 53.9 |
WeirdML WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns. | 38.4 | 60.4 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $0.15 | $0.75 | 33K tokens (~16 books) | $3.00 | |
| $15.00 | $120.00 | 400K tokens (~200 books) | $412.50 |
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