Model comparison

Llama 2-13B vs Llama 3-8B

Llama 2-13B is the stronger model overall, scoring 29.1 to 25.3 on the Noometry Index.

Last verified . 25 shared benchmarks.

Llama 2-13B Meta

29.1

Rank #304 Confirmed

Llama 3-8B Meta

25.3

Rank #338 Confirmed

Summary

  • They share 25 benchmarks with published results for both. Llama 2-13B scores higher in 2 categories and Llama 3-8B in 6 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in math, where Llama 2-13B leads 28.7 to 8.3.

Side by side

Llama 2-13B and Llama 3-8B specifications
Llama 2-13BLlama 3-8B
ProviderMetaMeta
Noometry Index29.125.3
Released2023-07-182024-04-18
WeightsOpenOpen
Context window—8K
Max output—8K
Input $ / M tokens—$0.14
Output $ / M tokens—$0.14
Results tracked3234

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Category by category

Coding Too close to call

Llama 2-13B: 30.4 (#287), Llama 3-8B: 30.5 (#285)

Coding benchmarks
BenchmarkLlama 2-13BLlama 3-8B
LMArena Coding10621152
BigCodeBench Instruct—31.9%
BigCodeBench Complete—36.9%
HumanEval+—56.7%
MBPP+—54.8%

Reasoning Llama 3-8B leads

Llama 2-13B: 12.3 (#333), Llama 3-8B: 13.8 (#321)

Reasoning benchmarks
BenchmarkLlama 2-13BLlama 3-8B
Chess Puzzles0%0%
LMArena Hard Prompts10511133
DTBench42.2%43.9%
Epoch Capabilities Index105.8116.33
WinoGrande72.8%75.7%
Adversarial NLI—57.3%
BIG-Bench Hard58.2%—
ForecastBench—58.6
HellaSwag80.7%—
LAMBADA76.5%—
PIQA80.8%—

Math Llama 2-13B leads

Llama 2-13B: 28.7 (#226), Llama 3-8B: 8.3 (#317)

Math benchmarks
BenchmarkLlama 2-13BLlama 3-8B
LMArena Math10651151
OTIS Mock AIME 2024-2025—1.9%
MATH Level 5—6.1%
GSM8K36.9%—

Knowledge Llama 2-13B leads

Llama 2-13B: 27.5 (#244), Llama 3-8B: 7.8 (#303)

Knowledge benchmarks
BenchmarkLlama 2-13BLlama 3-8B
LMArena Expert10301113
ARC (AI2) Challenge60.3%82.8%
MMLU55.6%68.8%
OpenBookQA57%82.6%
TriviaQA79.6%67.7%
GPQA Diamond—26.1%
BoolQ82.4%—

Multimodal Not comparable

Llama 2-13B: —, Llama 3-8B: —

Multimodal benchmarks
BenchmarkLlama 2-13BLlama 3-8B
ScienceQA55.8%—

Multilingual Llama 3-8B leads

Llama 2-13B: 26.7 (#274), Llama 3-8B: 31.0 (#256)

Multilingual benchmarks
BenchmarkLlama 2-13BLlama 3-8B
LMArena Non-English10241098
LMArena Chinese10011076
LMArena French10431158
LMArena German10091104
LMArena Japanese894967
LMArena Korean9531003
LMArena Russian10551109
LMArena Spanish10861172

Instruction Following Llama 3-8B leads

Llama 2-13B: 53.5 (#282), Llama 3-8B: 58.7 (#255)

Instruction Following benchmarks
BenchmarkLlama 2-13BLlama 3-8B
LMArena Instruction Following10461127

Long Context Llama 3-8B leads

Llama 2-13B: 32.3 (#264), Llama 3-8B: 34.2 (#246)

Long Context benchmarks
BenchmarkLlama 2-13BLlama 3-8B
LMArena Longer Query10641128

Writing & Preference Llama 3-8B leads

Llama 2-13B: 30.0 (#284), Llama 3-8B: 37.7 (#251)

Writing & Preference benchmarks
BenchmarkLlama 2-13BLlama 3-8B
LMArena Text10851166
LMArena Creative Writing10471150
LMArena Multi-Turn10501152

Frequently asked questions

Is Llama 2-13B better than Llama 3-8B?

Llama 2-13B is the stronger model overall, scoring 29.1 to 25.3 on the Noometry Index.

Is Llama 2-13B or Llama 3-8B better for coding?

They score almost the same on coding (30.4 vs 30.5); test both on your own repository before choosing.

How many benchmarks do Llama 2-13B and Llama 3-8B share?

25 benchmarks have published results for both models. Llama 2-13B has 32 scored results on Noometry and Llama 3-8B has 34.

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