Model comparison

Llama 2-13B vs Llama 3.1-70B

Llama 2-13B and Llama 3.1-70B score almost the same on the Noometry Index (29.6 vs 29.6), so choose on price, context window or the category you care about most.

Last verified . 20 shared benchmarks.

Llama 2-13B Meta

29.6

Rank #309 Confirmed

Llama 3.1-70B Meta

29.6

Rank #308 Confirmed

Summary

  • They share 20 benchmarks with published results for both. Llama 2-13B scores higher in 3 categories and Llama 3.1-70B in 5 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in math, where Llama 2-13B leads 31.1 to 13.5.
  • The biggest single-benchmark swing is DTBench: 42.2% for Llama 2-13B and 60% for Llama 3.1-70B.

Side by side

Llama 2-13B and Llama 3.1-70B specifications
Llama 2-13BLlama 3.1-70B
ProviderMetaMeta
Noometry Index29.629.6
Released2023-07-182024-07-23
WeightsOpenOpen
Context window—128K
Max output—4K
Input $ / M tokens—$0.40
Output $ / M tokens—$0.40
Results tracked3235

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Category by category

Coding Too close to call

Llama 2-13B: 30.9 (#291), Llama 3.1-70B: 30.3 (#296)

Coding benchmarks
BenchmarkLlama 2-13BLlama 3.1-70B
LMArena Coding10621260
WeirdML—9%
BigCodeBench Instruct—46.1%
BigCodeBench Complete—54.8%

Agentic & Tool Use Not comparable

Llama 2-13B: —, Llama 3.1-70B: 25.1 (#112)

Agentic & Tool Use benchmarks
BenchmarkLlama 2-13BLlama 3.1-70B
TheAgentCompany—6.9%
BALROG—27.9%

Reasoning Llama 3.1-70B leads

Llama 2-13B: 12.8 (#337), Llama 3.1-70B: 21.6 (#220)

Reasoning benchmarks
BenchmarkLlama 2-13BLlama 3.1-70B
LMArena Hard Prompts10511241
DTBench42.2%60%
Epoch Capabilities Index106.17125.92
Chess Puzzles0%—
LMCA—14.8%
BIG-Bench Hard58.2%—
HellaSwag80.7%—
LAMBADA76.5%—
PIQA80.8%—
WinoGrande72.8%—

Math Llama 2-13B leads

Llama 2-13B: 31.1 (#229), Llama 3.1-70B: 13.5 (#304)

Math benchmarks
BenchmarkLlama 2-13BLlama 3.1-70B
LMArena Math10651252
OTIS Mock AIME 2024-2025—3.6%
Omni-MATH—21%
MATH Level 5—36.7%
GSM8K36.9%—

Knowledge Llama 2-13B leads

Llama 2-13B: 28.1 (#249), Llama 3.1-70B: 24.2 (#269)

Knowledge benchmarks
BenchmarkLlama 2-13BLlama 3.1-70B
LMArena Expert10301209
MMLU55.6%80.1%
GPQA Diamond—44.2%
MMLU-Pro—65.3%
GPQA (HELM)—42.6%
ARC (AI2) Challenge60.3%—
BoolQ82.4%—
OpenBookQA57%—
TriviaQA79.6%—

Multimodal Not comparable

Llama 2-13B: —, Llama 3.1-70B: —

Multimodal benchmarks
BenchmarkLlama 2-13BLlama 3.1-70B
ScienceQA55.8%—

Multilingual Llama 3.1-70B leads

Llama 2-13B: 26.5 (#279), Llama 3.1-70B: 38.8 (#225)

Multilingual benchmarks
BenchmarkLlama 2-13BLlama 3.1-70B
LMArena Non-English10241219
LMArena Chinese10011215
LMArena French10441261
LMArena German10091222
LMArena Japanese8941132
LMArena Korean9531140
LMArena Russian10551234
LMArena Spanish10871253

Instruction Following Llama 3.1-70B leads

Llama 2-13B: 53.3 (#287), Llama 3.1-70B: 65.3 (#223)

Instruction Following benchmarks
BenchmarkLlama 2-13BLlama 3.1-70B
LMArena Instruction Following10451231
IFEval—82.1%

Long Context Llama 3.1-70B leads

Llama 2-13B: 32.3 (#269), Llama 3.1-70B: 37.6 (#214)

Long Context benchmarks
BenchmarkLlama 2-13BLlama 3.1-70B
LMArena Longer Query10641241

Writing & Preference Llama 3.1-70B leads

Llama 2-13B: 29.8 (#289), Llama 3.1-70B: 35.4 (#267)

Writing & Preference benchmarks
BenchmarkLlama 2-13BLlama 3.1-70B
LMArena Text10841261
LMArena Creative Writing10471232
LMArena Multi-Turn10501256
EQ-Bench Creative Writing—784
WildBench—75.8%

Frequently asked questions

Is Llama 2-13B better than Llama 3.1-70B?

Llama 2-13B and Llama 3.1-70B score almost the same on the Noometry Index (29.6 vs 29.6), so choose on price, context window or the category you care about most.

Is Llama 2-13B or Llama 3.1-70B better for coding?

They score almost the same on coding (30.9 vs 30.3); test both on your own repository before choosing.

How many benchmarks do Llama 2-13B and Llama 3.1-70B share?

20 benchmarks have published results for both models. Llama 2-13B has 32 scored results on Noometry and Llama 3.1-70B has 35.

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