Compare · ModelsLive · 2 picked · head to head

DeepSeek V3.1 vs o1

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

Winner summary

o1 wins 3 of 4 shared benchmarks. Leads in knowledge · reasoning · coding.

Category leads
knowledge·o1reasoning·o1coding·o1
Hype vs Reality
DeepSeek V3.1
#88 by perf·no signal
QUIET
o1
#59 by perf·no signal
QUIET
Best value
75.5x better value than o1
DeepSeek V3.1
113.6 pts/$
$0.45/M
o1
1.5 pts/$
$37.50/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 V3.1o1
Fiction.LiveBench
o1 leads by +30.5
Fiction.LiveBench · a continuously updated benchmark using recently published fiction to test reading comprehension and reasoning, preventing data contamination.
DeepSeek V3.1
52.8
o1
83.3
Lech Mazur Writing
DeepSeek V3.1 leads by +15.0
Lech Mazur Writing · evaluates creative writing ability, assessing prose quality, narrative coherence, and stylistic sophistication.
DeepSeek V3.1
85.2
o1
70.2
SimpleBench
o1 leads by +0.1
SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking.
DeepSeek V3.1
28.0
o1
28.1
WeirdML
o1 leads by +5.5
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
DeepSeek V3.1
38.4
o1
43.8
Full benchmark table
BenchmarkDeepSeek V3.1o1
Fiction.LiveBench
Fiction.LiveBench · a continuously updated benchmark using recently published fiction to test reading comprehension and reasoning, preventing data contamination.
52.883.3
Lech Mazur Writing
Lech Mazur Writing · evaluates creative writing ability, assessing prose quality, narrative coherence, and stylistic sophistication.
85.270.2
SimpleBench
SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking.
28.028.1
WeirdML
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
38.443.8
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 logoo1$15.00$60.00200K tokens (~100 books)$262.50