Model comparison

DeepSeek-V2.5 (Sep 2024) vs o1

o1 is the stronger model overall, scoring 40.9 to 37.6 on the Noometry Index.

Last verified . 20 shared benchmarks.

DeepSeek-V2.5 (Sep 2024) DeepSeek

37.6

Rank #200 Confirmed

o1 OpenAI

40.9

Rank #143 Confirmed

Summary

  • They share 20 benchmarks with published results for both. DeepSeek-V2.5 (Sep 2024) scores higher in 0 categories and o1 in 8 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in coding, where o1 leads 46.1 to 31.7.
  • The biggest single-benchmark swing is Aider Polyglot: 17.8% for DeepSeek-V2.5 (Sep 2024) and 61.7% for o1.
  • DeepSeek-V2.5 (Sep 2024) has downloadable open weights; the other is API-only.

Side by side

DeepSeek-V2.5 (Sep 2024) and o1 specifications
DeepSeek-V2.5 (Sep 2024)o1
ProviderDeepSeekOpenAI
Noometry Index37.640.9
Released2024-09-062024-09-12
WeightsOpenProprietary
Context window—200K
Max output—100K
Input $ / M tokens—$15
Output $ / M tokens—$60
Results tracked2252

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Category by category

Coding o1 leads

DeepSeek-V2.5 (Sep 2024): 31.7 (#281), o1: 46.1 (#70)

Coding benchmarks
BenchmarkDeepSeek-V2.5 (Sep 2024)o1
Aider Polyglot17.8%61.7%
LMArena Coding13091367
HumanEval+83.5%89%
MBPP+74.1%80.2%
WeirdML—47.6%
BigCodeBench Instruct48.6%—
LiveBench Coding—69.7%
BigCodeBench Complete53.2%—
CadEval—56%

Agentic & Tool Use Not comparable

DeepSeek-V2.5 (Sep 2024): —, o1: 24.6 (#117)

Agentic & Tool Use benchmarks
BenchmarkDeepSeek-V2.5 (Sep 2024)o1
Cybench—10%
METR Time Horizons—51.1%

Reasoning o1 leads

DeepSeek-V2.5 (Sep 2024): 25.6 (#145), o1: 27.9 (#111)

Reasoning benchmarks
BenchmarkDeepSeek-V2.5 (Sep 2024)o1
LMArena Hard Prompts12891371
SimpleBench—41.7%
ARC-AGI-1—30.7%
Chess Puzzles—15%
EnigmaEval—5.7%
LiveBench Reasoning—91.6%
DTBench—74.7%
LiveBench Data Analysis—65.5%
LMCA—22.3%
Epoch Capabilities Index—141.91
LiveBench—75.7%

Math Too close to call

DeepSeek-V2.5 (Sep 2024): 35.9 (#177), o1: 36.1 (#175)

Math benchmarks
BenchmarkDeepSeek-V2.5 (Sep 2024)o1
LMArena Math12881388
FrontierMath (Tiers 1-3)—14.7%
OTIS Mock AIME 2024-2025—73.3%
LiveBench Math—80.3%
MATH Level 5—94.7%
FrontierMath (Feb 2025 set)—9.3%

Knowledge o1 leads

DeepSeek-V2.5 (Sep 2024): 34.8 (#193), o1: 41.5 (#110)

Knowledge benchmarks
BenchmarkDeepSeek-V2.5 (Sep 2024)o1
LMArena Expert12661361
GPQA Diamond—76.8%
Humanity's Last Exam—8%
SimpleQA Verified—41.1%
Confabulations—11.7%

Multimodal Not comparable

DeepSeek-V2.5 (Sep 2024): —, o1: 34.2 (#93)

Multimodal benchmarks
BenchmarkDeepSeek-V2.5 (Sep 2024)o1
LMArena Vision—1168
GeoBench—80%
VPCT—37%
SpatialViz-Bench—41.4%

Multilingual o1 leads

DeepSeek-V2.5 (Sep 2024): 42.5 (#193), o1: 48.6 (#142)

Multilingual benchmarks
BenchmarkDeepSeek-V2.5 (Sep 2024)o1
LMArena Non-English12731358
LMArena Chinese13181394
LMArena French12891344
LMArena German12581337
LMArena Japanese12281346
LMArena Korean12091396
LMArena Russian12891356
LMArena Spanish12481345

Instruction Following o1 leads

DeepSeek-V2.5 (Sep 2024): 67.5 (#194), o1: 74.8 (#86)

Instruction Following benchmarks
BenchmarkDeepSeek-V2.5 (Sep 2024)o1
LMArena Instruction Following12801367
LiveBench Instruction Following—81.5%

Long Context o1 leads

DeepSeek-V2.5 (Sep 2024): 39.5 (#174), o1: 50.3 (#9)

Long Context benchmarks
BenchmarkDeepSeek-V2.5 (Sep 2024)o1
LMArena Longer Query13011378
Fiction.LiveBench—83.3%

Writing & Preference o1 leads

DeepSeek-V2.5 (Sep 2024): 49.8 (#187), o1: 55.6 (#144)

Writing & Preference benchmarks
BenchmarkDeepSeek-V2.5 (Sep 2024)o1
LMArena Text12941366
LMArena Creative Writing12851348
LMArena Multi-Turn12971369
Short-Story Creative Writing—70.2%
LiveBench Language—65.4%

Frequently asked questions

Is DeepSeek-V2.5 (Sep 2024) better than o1?

o1 is the stronger model overall, scoring 40.9 to 37.6 on the Noometry Index.

Is DeepSeek-V2.5 (Sep 2024) or o1 better for coding?

o1 scores higher on coding benchmarks: 46.1 versus 31.7 in the Noometry coding category.

How many benchmarks do DeepSeek-V2.5 (Sep 2024) and o1 share?

20 benchmarks have published results for both models. DeepSeek-V2.5 (Sep 2024) has 22 scored results on Noometry and o1 has 52.

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