Model comparison

DeepSeek-V3 vs Llama 3.1-405B

DeepSeek-V3 is the stronger model overall, scoring 39.5 to 30.7 on the Noometry Index.

Last verified . 40 shared benchmarks.

DeepSeek-V3 DeepSeek

39.5

Rank #166 Confirmed

Llama 3.1-405B Meta

30.7

Rank #288 Confirmed

Summary

  • They share 40 benchmarks with published results for both. DeepSeek-V3 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 writing & preference, where DeepSeek-V3 leads 57.4 to 38.9.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 37.8% for DeepSeek-V3 and 9.7% for Llama 3.1-405B.

Side by side

DeepSeek-V3 and Llama 3.1-405B specifications
DeepSeek-V3Llama 3.1-405B
ProviderDeepSeekMeta
Noometry Index39.530.7
Released2024-12-262024-07-23
WeightsOpenOpen
Context window164K—
Max output164K—
Input $ / M tokens$0.24—
Output $ / M tokens$0.90—
Results tracked6042

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Category by category

Coding DeepSeek-V3 leads

DeepSeek-V3: 42.3 (#106), Llama 3.1-405B: 33.1 (#262)

Coding benchmarks
BenchmarkDeepSeek-V3Llama 3.1-405B
WeirdML36.1%21.4%
LMArena Coding13681291
Aider Polyglot55.1%—
SciCode35.8%—
BigCodeBench Instruct50%—
LiveBench Coding70.9%—
BigCodeBench Complete62.2%—
HumanEval+86.6%—
MBPP+73%—

Agentic & Tool Use Not comparable

DeepSeek-V3: —, Llama 3.1-405B: 21.0 (#140)

Agentic & Tool Use benchmarks
BenchmarkDeepSeek-V3Llama 3.1-405B
TheAgentCompany—7.4%
Cybench—7.5%
METR Time Horizons49.6%—

Reasoning DeepSeek-V3 leads

DeepSeek-V3: 20.5 (#236), Llama 3.1-405B: 16.8 (#300)

Reasoning benchmarks
BenchmarkDeepSeek-V3Llama 3.1-405B
SimpleBench27.2%23%
Kagi LLM Benchmark52.3%45%
LMArena Hard Prompts13651269
DTBench64.8%61.4%
BIG-Bench Hard87.5%82.9%
Epoch Capabilities Index135.94128.75
ForecastBench59.159.9
HellaSwag88.9%89.2%
PIQA84.7%85.9%
WinoGrande85.2%89.2%
CritPt0%—
LiveBench Reasoning65.8%—
LiveBench Data Analysis60.9%—
LMCA15.5%—
LiveBench66.9%—

Math DeepSeek-V3 leads

DeepSeek-V3: 32.1 (#219), Llama 3.1-405B: 18.4 (#290)

Math benchmarks
BenchmarkDeepSeek-V3Llama 3.1-405B
OTIS Mock AIME 2024-202537.8%9.7%
Omni-MATH40.3%24.9%
LMArena Math13731281
MATH Level 575.5%49.8%
LiveBench Math73.5%—
FrontierMath (Feb 2025 set)1.7%—

Knowledge DeepSeek-V3 leads

DeepSeek-V3: 37.5 (#155), Llama 3.1-405B: 30.4 (#227)

Knowledge benchmarks
BenchmarkDeepSeek-V3Llama 3.1-405B
GPQA Diamond67.6%50.9%
MMLU-Pro72.3%72.3%
Confabulations26.1%17.6%
GPQA (HELM)53.8%52.2%
LMArena Expert13511243
ARC (AI2) Challenge95.3%95.3%
MMLU87.2%84.5%
TriviaQA82.9%82.7%
Vectara Hallucination Rate6.1%—

Multilingual DeepSeek-V3 leads

DeepSeek-V3: 48.5 (#143), Llama 3.1-405B: 40.7 (#214)

Multilingual benchmarks
BenchmarkDeepSeek-V3Llama 3.1-405B
LMArena Non-English13581248
LMArena Chinese13911242
LMArena French13851279
LMArena German13741252
LMArena Japanese13331208
LMArena Korean13191184
LMArena Russian13731265
LMArena Spanish13581260

Instruction Following DeepSeek-V3 leads

DeepSeek-V3: 72.8 (#130), Llama 3.1-405B: 65.9 (#214)

Instruction Following benchmarks
BenchmarkDeepSeek-V3Llama 3.1-405B
IFEval83.2%81.1%
LMArena Instruction Following13451259
LiveBench Instruction Following81.5%—

Long Context Llama 3.1-405B leads

DeepSeek-V3: 34.0 (#253), Llama 3.1-405B: 38.4 (#197)

Long Context benchmarks
BenchmarkDeepSeek-V3Llama 3.1-405B
LMArena Longer Query13521266
Fiction.LiveBench50%—

Writing & Preference DeepSeek-V3 leads

DeepSeek-V3: 57.4 (#130), Llama 3.1-405B: 38.9 (#251)

Writing & Preference benchmarks
BenchmarkDeepSeek-V3Llama 3.1-405B
LMArena Text13751284
LMArena Creative Writing13641262
EQ-Bench Creative Writing1472870
WildBench83%78.3%
LMArena Multi-Turn13891297
Short-Story Creative Writing77%—
LiveBench Language49.1%—

Frequently asked questions

Is DeepSeek-V3 better than Llama 3.1-405B?

DeepSeek-V3 is the stronger model overall, scoring 39.5 to 30.7 on the Noometry Index.

Is DeepSeek-V3 or Llama 3.1-405B better for coding?

DeepSeek-V3 scores higher on coding benchmarks: 42.3 versus 33.1 in the Noometry coding category.

How many benchmarks do DeepSeek-V3 and Llama 3.1-405B share?

40 benchmarks have published results for both models. DeepSeek-V3 has 60 scored results on Noometry and Llama 3.1-405B has 42.

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