Noometry

Model comparison

Grok 4.5 vs Llama 3-8B

Grok 4.5 is the stronger model overall, scoring 55.0 to 25.5 on the Noometry Index.

Last verified . 22 shared benchmarks.

Grok 4.5 xAI

55.0

Rank #25 Confirmed

Llama 3-8B Meta

25.5

Rank #344 Confirmed

Summary

  • They share 22 benchmarks with published results for both. Grok 4.5 scores higher in 8 categories and Llama 3-8B in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Grok 4.5 leads 62.3 to 7.8.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 97.8% for Grok 4.5 and 1.9% for Llama 3-8B.
  • Llama 3-8B has downloadable open weights; the other is API-only.

Side by side

Grok 4.5Llama 3-8B
ProviderxAIMeta
Noometry Index55.025.5
Released2026-07-082024-04-18
WeightsProprietaryOpen
Context window500K—
Max output500K—
Input $ / M tokens$2—
Output $ / M tokens$6—
Results tracked5234

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Category by category

Coding Grok 4.5 leads

Grok 4.5: 52.2 (#35), Llama 3-8B: 31.0 (#289)

BenchmarkGrok 4.5Llama 3-8B
LMArena Coding14741152
DeepSWE53.8%—
FrontierCode42.4%—
LMArena WebDev1553—
SciCode54.1%—
WeirdML46.4%—
BigCodeBench Instruct—31.9%
BigCodeBench Complete—36.9%
ALE-Bench1,309—
HumanEval+—56.7%
MBPP+—54.8%

Agentic & Tool Use Not comparable

Grok 4.5: 44.4 (#17), Llama 3-8B: —

BenchmarkGrok 4.5Llama 3-8B
APEX-Agents56.2%—
τ²-bench Banking47.9%—
PostTrainBench23.4%—
GBAEval65.4%—
GDP.pdf14%—
LMArena Search1213—
Vending-Bench 23,887—

Reasoning Grok 4.5 leads

Grok 4.5: 56.1 (#25), Llama 3-8B: 14.3 (#326)

BenchmarkGrok 4.5Llama 3-8B
Chess Puzzles36%0%
LMArena Hard Prompts14621133
DTBench96.5%43.9%
Epoch Capabilities Index153.92116.45
ARC-AGI-252.6%—
SimpleBench70%—
Kagi LLM Benchmark83.5%—
NYT Connections (extended)79.9%—
ARC-AGI-187.2%—
CritPt15.4%—
LMCA45.2%—
Surface Evolver Bench74.4%—
Adversarial NLI—57.3%
ForecastBench—58.6
WinoGrande—75.7%

Math Grok 4.5 leads

Grok 4.5: 60.9 (#35), Llama 3-8B: 8.8 (#323)

BenchmarkGrok 4.5Llama 3-8B
OTIS Mock AIME 2024-202597.8%1.9%
LMArena Math14591151
FrontierMath (Tiers 1-3)57.2%—
FrontierMath Tier 424.4%—
ProofBench31%—
MATH Level 5—6.1%

Knowledge Grok 4.5 leads

Grok 4.5: 62.3 (#24), Llama 3-8B: 7.8 (#308)

BenchmarkGrok 4.5Llama 3-8B
GPQA Diamond93.4%26.1%
LMArena Expert14661113
SimpleQA Verified48.3%—
ARC (AI2) Challenge—82.8%
MMLU—68.8%
OpenBookQA—82.6%
TriviaQA—67.7%

Multimodal Not comparable

Grok 4.5: 37.6 (#72), Llama 3-8B: —

BenchmarkGrok 4.5Llama 3-8B
LMArena Vision1288—
Blueprint-Bench 227.3%—
Furniture Assembly22.5%—
LMArena Document1452—

Multilingual Grok 4.5 leads

Grok 4.5: 54.4 (#42), Llama 3-8B: 30.8 (#261)

BenchmarkGrok 4.5Llama 3-8B
LMArena Non-English14401098
LMArena Chinese14961076
LMArena French14561159
LMArena German14461104
LMArena Japanese1428967
LMArena Korean14041004
LMArena Russian14481109
LMArena Spanish14501173

Instruction Following Grok 4.5 leads

Grok 4.5: 76.0 (#48), Llama 3-8B: 58.4 (#260)

BenchmarkGrok 4.5Llama 3-8B
LMArena Instruction Following14461127

Long Context Grok 4.5 leads

Grok 4.5: 44.8 (#56), Llama 3-8B: 34.2 (#251)

BenchmarkGrok 4.5Llama 3-8B
LMArena Longer Query14631128

Writing & Preference Grok 4.5 leads

Grok 4.5: 65.8 (#42), Llama 3-8B: 37.5 (#256)

BenchmarkGrok 4.5Llama 3-8B
LMArena Text14481166
LMArena Creative Writing14421150
LMArena Multi-Turn14561152
EQ-Bench Creative Writing1579—

Frequently asked questions

Is Grok 4.5 better than Llama 3-8B?

Grok 4.5 is the stronger model overall, scoring 55.0 to 25.5 on the Noometry Index.

Is Grok 4.5 or Llama 3-8B better for coding?

Grok 4.5 scores higher on coding benchmarks: 52.2 versus 31.0 in the Noometry coding category.

How many benchmarks do Grok 4.5 and Llama 3-8B share?

22 benchmarks have published results for both models. Grok 4.5 has 52 scored results on Noometry and Llama 3-8B has 34.

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