Model comparison

DeepSeek-V3.1 vs o1-pro

DeepSeek-V3.1 is the stronger model overall, scoring 42.8 to 31.5 on the Noometry Index.

Last verified . 0 shared benchmarks.

DeepSeek-V3.1 DeepSeek

42.8

Rank #108 Confirmed

o1-pro OpenAI

31.5

Rank #271 Reported

Summary

  • The widest gap is in knowledge, where DeepSeek-V3.1 leads 43.7 to 29.7.
  • DeepSeek-V3.1 is cheaper at $0.25 / $0.95 per million input/output tokens, against $150 / $600 for o1-pro.
  • o1-pro accepts more context: 200K tokens versus 164K.
  • DeepSeek-V3.1 has downloadable open weights; the other is API-only.

Side by side

DeepSeek-V3.1 and o1-pro specifications
DeepSeek-V3.1o1-pro
ProviderDeepSeekOpenAI
Noometry Index42.831.5
Released2025-08-212025-03-19
WeightsOpenProprietary
Context window164K200K
Max output8K100K
Input $ / M tokens$0.25$150
Output $ / M tokens$0.95$600
Results tracked273

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Category by category

Coding Not comparable

DeepSeek-V3.1: 40.3 (#144), o1-pro: —

Coding benchmarks
BenchmarkDeepSeek-V3.1o1-pro
WeirdML38.4%—
LMArena Coding1417—

Reasoning DeepSeek-V3.1 leads

DeepSeek-V3.1: 27.9 (#110), o1-pro: 20.4 (#239)

Reasoning benchmarks
BenchmarkDeepSeek-V3.1o1-pro
SimpleBench40%—
Kagi LLM Benchmark53.2%—
ARC-AGI-1—23.3%
EnigmaEval—6.1%
LMArena Hard Prompts1417—
DTBench82.7%—
LMCA24.3%—
Epoch Capabilities Index139.92—
ForecastBench58—

Math Not comparable

DeepSeek-V3.1: 38.9 (#122), o1-pro: —

Math benchmarks
BenchmarkDeepSeek-V3.1o1-pro
LMArena Math1420—

Knowledge DeepSeek-V3.1 leads

DeepSeek-V3.1: 43.7 (#90), o1-pro: 29.7 (#234)

Knowledge benchmarks
BenchmarkDeepSeek-V3.1o1-pro
Humanity's Last Exam—8.1%
Vectara Hallucination Rate5.5%—
LMArena Expert1405—

Multilingual Not comparable

DeepSeek-V3.1: 51.6 (#106), o1-pro: —

Multilingual benchmarks
BenchmarkDeepSeek-V3.1o1-pro
LMArena Non-English1400—
LMArena Chinese1469—
LMArena French1447—
LMArena German1411—
LMArena Japanese1378—
LMArena Korean1337—
LMArena Russian1405—
LMArena Spanish1431—

Instruction Following Not comparable

DeepSeek-V3.1: 73.9 (#110), o1-pro: —

Instruction Following benchmarks
BenchmarkDeepSeek-V3.1o1-pro
LMArena Instruction Following1400—

Long Context Not comparable

DeepSeek-V3.1: 36.3 (#232), o1-pro: —

Long Context benchmarks
BenchmarkDeepSeek-V3.1o1-pro
Fiction.LiveBench52.8%—
LMArena Longer Query1422—

Writing & Preference Not comparable

DeepSeek-V3.1: 60.3 (#98), o1-pro: —

Writing & Preference benchmarks
BenchmarkDeepSeek-V3.1o1-pro
LMArena Text1420—
LMArena Creative Writing1401—
EQ-Bench Creative Writing1436—
LMArena Multi-Turn1408—

Frequently asked questions

Is DeepSeek-V3.1 better than o1-pro?

DeepSeek-V3.1 is the stronger model overall, scoring 42.8 to 31.5 on the Noometry Index.

Which is cheaper, DeepSeek-V3.1 or o1-pro?

DeepSeek-V3.1 is cheaper. It lists at $0.25 per million input tokens and $0.95 per million output tokens; o1-pro lists at $150 and $600.

Which has the bigger context window?

o1-pro does, with 200K tokens against 164K.

How many benchmarks do DeepSeek-V3.1 and o1-pro share?

0 benchmarks have published results for both models. DeepSeek-V3.1 has 27 scored results on Noometry and o1-pro has 3.

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