Model comparison

Llama 3.1-8B vs Llama 3-70B

Llama 3-70B is the stronger model overall, scoring 28.8 to 23.0 on the Noometry Index.

Last verified . 27 shared benchmarks.

Llama 3.1-8B Meta

23.0

Rank #352 Confirmed

Llama 3-70B Meta

28.8

Rank #323 Confirmed

Summary

  • They share 27 benchmarks with published results for both. Llama 3.1-8B scores higher in 3 categories and Llama 3-70B in 6 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in coding, where Llama 3-70B leads 35.8 to 20.2.
  • The biggest single-benchmark swing is BigCodeBench Complete: 40.5% for Llama 3.1-8B and 54.5% for Llama 3-70B.

Side by side

Llama 3.1-8B and Llama 3-70B specifications
Llama 3.1-8BLlama 3-70B
ProviderMetaMeta
Noometry Index23.028.8
Released2024-07-232024-04-18
WeightsOpenOpen
Context window128K—
Max output4K—
Input $ / M tokens$0.05—
Output $ / M tokens$0.08—
Results tracked4331

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Llama 3-70B leads

Llama 3.1-8B: 20.2 (#340), Llama 3-70B: 35.8 (#218)

Coding benchmarks
BenchmarkLlama 3.1-8BLlama 3-70B
BigCodeBench Instruct32.8%43.6%
LMArena Coding11951206
BigCodeBench Complete40.5%54.5%
HumanEval+62.8%72%
MBPP+55.6%69%
SciCode13.2%—
WeirdML1.7%—

Agentic & Tool Use Llama 3.1-8B leads

Llama 3.1-8B: 22.5 (#131), Llama 3-70B: 21.1 (#139)

Agentic & Tool Use benchmarks
BenchmarkLlama 3.1-8BLlama 3-70B
Berkeley Function Calling Leaderboard25.8%—
Cybench—5%
BALROG15.1%—

Reasoning Llama 3-70B leads

Llama 3.1-8B: 14.9 (#321), Llama 3-70B: 18.0 (#288)

Reasoning benchmarks
BenchmarkLlama 3.1-8BLlama 3-70B
LMArena Hard Prompts11751195
DTBench50.9%54.2%
Epoch Capabilities Index116.57122.93
Kagi LLM Benchmark—35.1%
CritPt0%—
Chess Puzzles0%—
LMCA5.4%—
ForecastBench—57.1
PIQA81.2%—
WinoGrande—83.5%

Math Llama 3-70B leads

Llama 3.1-8B: 10.2 (#317), Llama 3-70B: 12.8 (#305)

Math benchmarks
BenchmarkLlama 3.1-8BLlama 3-70B
OTIS Mock AIME 2024-20251.7%4.3%
LMArena Math11791218
MATH Level 522.9%22.6%
Omni-MATH13.7%—
GSM8K82.4%—

Knowledge Llama 3-70B leads

Llama 3.1-8B: 8.0 (#307), Llama 3-70B: 20.8 (#277)

Knowledge benchmarks
BenchmarkLlama 3.1-8BLlama 3-70B
GPQA Diamond27%40.6%
LMArena Expert11441149
MMLU56.1%79.3%
MMLU-Pro40.6%—
GPQA (HELM)24.7%—
BoolQ82.8%—

Multilingual Too close to call

Llama 3.1-8B: 34.0 (#249), Llama 3-70B: 33.6 (#251)

Multilingual benchmarks
BenchmarkLlama 3.1-8BLlama 3-70B
LMArena Non-English11481142
LMArena Chinese11511114
LMArena French11771232
LMArena German11441169
LMArena Japanese10611017
LMArena Korean10531017
LMArena Russian11581159
LMArena Spanish11691241

Instruction Following Llama 3-70B leads

Llama 3.1-8B: 58.9 (#258), Llama 3-70B: 62.5 (#238)

Instruction Following benchmarks
BenchmarkLlama 3.1-8BLlama 3-70B
LMArena Instruction Following11591194
IFEval74.3%—

Long Context Too close to call

Llama 3.1-8B: 35.8 (#238), Llama 3-70B: 35.6 (#240)

Long Context benchmarks
BenchmarkLlama 3.1-8BLlama 3-70B
LMArena Longer Query11821174

Writing & Preference Llama 3-70B leads

Llama 3.1-8B: 29.7 (#290), Llama 3-70B: 42.8 (#231)

Writing & Preference benchmarks
BenchmarkLlama 3.1-8BLlama 3-70B
LMArena Text11871221
LMArena Creative Writing11541210
LMArena Multi-Turn11721223
EQ-Bench Creative Writing713—
WildBench68.7%—

Frequently asked questions

Is Llama 3.1-8B better than Llama 3-70B?

Llama 3-70B is the stronger model overall, scoring 28.8 to 23.0 on the Noometry Index.

Is Llama 3.1-8B or Llama 3-70B better for coding?

Llama 3-70B scores higher on coding benchmarks: 35.8 versus 20.2 in the Noometry coding category.

How many benchmarks do Llama 3.1-8B and Llama 3-70B share?

27 benchmarks have published results for both models. Llama 3.1-8B has 43 scored results on Noometry and Llama 3-70B has 31.

Related comparisons

Go deeper