Model comparison

DeepSeek-V2.5 (Sep 2024) vs Llama 3.1-405B

DeepSeek-V2.5 (Sep 2024) is the stronger model overall, scoring 37.0 to 30.4 on the Noometry Index.

Last verified . 17 shared benchmarks.

DeepSeek-V2.5 (Sep 2024) DeepSeek

37.0

Rank #197 Confirmed

Llama 3.1-405B Meta

30.4

Rank #279 Confirmed

Summary

  • They share 17 benchmarks with published results for both. DeepSeek-V2.5 (Sep 2024) scores higher in 7 categories and Llama 3.1-405B in 1 category; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where DeepSeek-V2.5 (Sep 2024) leads 33.3 to 17.3.

Side by side

DeepSeek-V2.5 (Sep 2024) and Llama 3.1-405B specifications
DeepSeek-V2.5 (Sep 2024)Llama 3.1-405B
ProviderDeepSeekMeta
Noometry Index37.030.4
Released2024-09-062024-07-23
WeightsOpenOpen
Context window——
Max output——
Input $ / M tokens——
Output $ / M tokens——
Results tracked2242

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Category by category

Coding Llama 3.1-405B leads

DeepSeek-V2.5 (Sep 2024): 31.3 (#274), Llama 3.1-405B: 32.7 (#257)

Coding benchmarks
BenchmarkDeepSeek-V2.5 (Sep 2024)Llama 3.1-405B
LMArena Coding13101291
Aider Polyglot17.8%—
WeirdML—21.4%
BigCodeBench Instruct48.6%—
BigCodeBench Complete53.2%—
HumanEval+83.5%—
MBPP+74.1%—

Agentic & Tool Use Not comparable

DeepSeek-V2.5 (Sep 2024): —, Llama 3.1-405B: 20.9 (#131)

Agentic & Tool Use benchmarks
BenchmarkDeepSeek-V2.5 (Sep 2024)Llama 3.1-405B
TheAgentCompany—7.4%
Cybench—7.5%

Reasoning DeepSeek-V2.5 (Sep 2024) leads

DeepSeek-V2.5 (Sep 2024): 24.5 (#145), Llama 3.1-405B: 16.4 (#293)

Reasoning benchmarks
BenchmarkDeepSeek-V2.5 (Sep 2024)Llama 3.1-405B
LMArena Hard Prompts12891270
SimpleBench—23%
Kagi LLM Benchmark—45%
DTBench—61.4%
BIG-Bench Hard—82.9%
Epoch Capabilities Index—128.76
ForecastBench—59.9
HellaSwag—89.2%
PIQA—85.9%
WinoGrande—89.2%

Math DeepSeek-V2.5 (Sep 2024) leads

DeepSeek-V2.5 (Sep 2024): 33.3 (#177), Llama 3.1-405B: 17.3 (#283)

Math benchmarks
BenchmarkDeepSeek-V2.5 (Sep 2024)Llama 3.1-405B
LMArena Math12891281
OTIS Mock AIME 2024-2025—9.7%
Omni-MATH—24.9%
MATH Level 5—49.8%

Knowledge DeepSeek-V2.5 (Sep 2024) leads

DeepSeek-V2.5 (Sep 2024): 34.2 (#190), Llama 3.1-405B: 30.4 (#221)

Knowledge benchmarks
BenchmarkDeepSeek-V2.5 (Sep 2024)Llama 3.1-405B
LMArena Expert12661243
GPQA Diamond—50.9%
MMLU-Pro—72.3%
Confabulations—17.6%
GPQA (HELM)—52.2%
ARC (AI2) Challenge—95.3%
MMLU—84.5%
TriviaQA—82.7%

Multilingual DeepSeek-V2.5 (Sep 2024) leads

DeepSeek-V2.5 (Sep 2024): 42.7 (#188), Llama 3.1-405B: 40.9 (#209)

Multilingual benchmarks
BenchmarkDeepSeek-V2.5 (Sep 2024)Llama 3.1-405B
LMArena Non-English12731248
LMArena Chinese13171242
LMArena French12881278
LMArena German12581252
LMArena Japanese12281208
LMArena Korean12091184
LMArena Russian12891265
LMArena Spanish12481259

Instruction Following DeepSeek-V2.5 (Sep 2024) leads

DeepSeek-V2.5 (Sep 2024): 67.7 (#189), Llama 3.1-405B: 66.1 (#209)

Instruction Following benchmarks
BenchmarkDeepSeek-V2.5 (Sep 2024)Llama 3.1-405B
LMArena Instruction Following12801259
IFEval—81.1%

Long Context DeepSeek-V2.5 (Sep 2024) leads

DeepSeek-V2.5 (Sep 2024): 39.5 (#169), Llama 3.1-405B: 38.4 (#192)

Long Context benchmarks
BenchmarkDeepSeek-V2.5 (Sep 2024)Llama 3.1-405B
LMArena Longer Query13011266

Writing & Preference DeepSeek-V2.5 (Sep 2024) leads

DeepSeek-V2.5 (Sep 2024): 50.0 (#182), Llama 3.1-405B: 39.1 (#246)

Writing & Preference benchmarks
BenchmarkDeepSeek-V2.5 (Sep 2024)Llama 3.1-405B
LMArena Text12941284
LMArena Creative Writing12851262
LMArena Multi-Turn12971297
EQ-Bench Creative Writing—870
WildBench—78.3%

Frequently asked questions

Is DeepSeek-V2.5 (Sep 2024) better than Llama 3.1-405B?

DeepSeek-V2.5 (Sep 2024) is the stronger model overall, scoring 37.0 to 30.4 on the Noometry Index.

Is DeepSeek-V2.5 (Sep 2024) or Llama 3.1-405B better for coding?

Llama 3.1-405B scores higher on coding benchmarks: 32.7 versus 31.3 in the Noometry coding category.

How many benchmarks do DeepSeek-V2.5 (Sep 2024) and Llama 3.1-405B share?

17 benchmarks have published results for both models. DeepSeek-V2.5 (Sep 2024) has 22 scored results on Noometry and Llama 3.1-405B has 42.

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