Model comparison

Grok 4.5 vs Llama 3.2 3B

Grok 4.5 is the stronger model overall, scoring 55.0 to 28.9 on the Noometry Index. Llama 3.2 3B costs 25× less per token, which makes it the better buy when Grok 4.5's lead doesn't matter for your workload.

Last verified . 14 shared benchmarks.

Grok 4.5 xAI

55.0

Rank #25 Confirmed

Llama 3.2 3B Meta

28.9

Rank #321 Confirmed

Summary

  • They share 14 benchmarks with published results for both. Grok 4.5 scores higher in 9 categories and Llama 3.2 3B in 0 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where Grok 4.5 leads 65.8 to 24.7.
  • Llama 3.2 3B is cheaper at $0.05 / $0.33 per million input/output tokens, against $2 / $6 for Grok 4.5.
  • Grok 4.5 accepts more context: 500K tokens versus 131K.
  • Llama 3.2 3B has downloadable open weights; the other is API-only.

Side by side

Grok 4.5 and Llama 3.2 3B specifications
Grok 4.5Llama 3.2 3B
ProviderxAIMeta
Noometry Index55.028.9
Released2026-07-082024-09-24
WeightsProprietaryOpen
Context window500K131K
Max output500K118K
Input $ / M tokens$2$0.05
Output $ / M tokens$6$0.33
Results tracked5218

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Category by category

Coding Grok 4.5 leads

Grok 4.5: 52.2 (#35), Llama 3.2 3B: 27.6 (#319)

Coding benchmarks
BenchmarkGrok 4.5Llama 3.2 3B
LMArena Coding14741098
DeepSWE53.8%—
FrontierCode42.4%—
LMArena WebDev1553—
SciCode54.1%—
WeirdML46.4%—
BigCodeBench Instruct—23.4%
BigCodeBench Complete—28.3%
ALE-Bench1,309—

Agentic & Tool Use Grok 4.5 leads

Grok 4.5: 44.4 (#17), Llama 3.2 3B: 20.1 (#143)

Agentic & Tool Use benchmarks
BenchmarkGrok 4.5Llama 3.2 3B
APEX-Agents56.2%—
Berkeley Function Calling Leaderboard—21.9%
τ²-bench Banking47.9%—
PostTrainBench23.4%—
BALROG—10.1%
GBAEval65.4%—
GDP.pdf14%—
LMArena Search1213—
Vending-Bench 23,887—

Reasoning Grok 4.5 leads

Grok 4.5: 56.1 (#25), Llama 3.2 3B: 21.0 (#228)

Reasoning benchmarks
BenchmarkGrok 4.5Llama 3.2 3B
LMArena Hard Prompts14621095
ARC-AGI-252.6%—
SimpleBench70%—
Kagi LLM Benchmark83.5%—
NYT Connections (extended)79.9%—
ARC-AGI-187.2%—
CritPt15.4%—
Chess Puzzles36%—
DTBench96.5%—
LMCA45.2%—
Surface Evolver Bench74.4%—
Epoch Capabilities Index153.92—

Math Grok 4.5 leads

Grok 4.5: 60.9 (#35), Llama 3.2 3B: 32.4 (#214)

Math benchmarks
BenchmarkGrok 4.5Llama 3.2 3B
LMArena Math14591126
FrontierMath (Tiers 1-3)57.2%—
FrontierMath Tier 424.4%—
OTIS Mock AIME 2024-202597.8%—
ProofBench31%—

Knowledge Grok 4.5 leads

Grok 4.5: 62.3 (#24), Llama 3.2 3B: 29.7 (#235)

Knowledge benchmarks
BenchmarkGrok 4.5Llama 3.2 3B
LMArena Expert14661090
GPQA Diamond93.4%—
SimpleQA Verified48.3%—

Multimodal Not comparable

Grok 4.5: 37.6 (#72), Llama 3.2 3B: —

Multimodal benchmarks
BenchmarkGrok 4.5Llama 3.2 3B
LMArena Vision1288—
Blueprint-Bench 227.3%—
Furniture Assembly22.5%—
LMArena Document1452—

Multilingual Grok 4.5 leads

Grok 4.5: 54.4 (#42), Llama 3.2 3B: 26.2 (#281)

Multilingual benchmarks
BenchmarkGrok 4.5Llama 3.2 3B
LMArena Non-English14401019
LMArena Chinese14961017
LMArena German14461056
LMArena Russian1448949
LMArena French1456—
LMArena Japanese1428—
LMArena Korean1404—
LMArena Spanish1450—

Instruction Following Grok 4.5 leads

Grok 4.5: 76.0 (#48), Llama 3.2 3B: 56.0 (#275)

Instruction Following benchmarks
BenchmarkGrok 4.5Llama 3.2 3B
LMArena Instruction Following14461089

Long Context Grok 4.5 leads

Grok 4.5: 44.8 (#56), Llama 3.2 3B: 33.4 (#261)

Long Context benchmarks
BenchmarkGrok 4.5Llama 3.2 3B
LMArena Longer Query14631100

Writing & Preference Grok 4.5 leads

Grok 4.5: 65.8 (#42), Llama 3.2 3B: 24.7 (#307)

Writing & Preference benchmarks
BenchmarkGrok 4.5Llama 3.2 3B
LMArena Text14481110
LMArena Creative Writing14421094
EQ-Bench Creative Writing1579595
LMArena Multi-Turn14561105

Frequently asked questions

Is Grok 4.5 better than Llama 3.2 3B?

Grok 4.5 is the stronger model overall, scoring 55.0 to 28.9 on the Noometry Index. Llama 3.2 3B costs 25× less per token, which makes it the better buy when Grok 4.5's lead doesn't matter for your workload.

Which is cheaper, Grok 4.5 or Llama 3.2 3B?

Llama 3.2 3B is cheaper. It lists at $0.05 per million input tokens and $0.33 per million output tokens; Grok 4.5 lists at $2 and $6.

Is Grok 4.5 or Llama 3.2 3B better for coding?

Grok 4.5 scores higher on coding benchmarks: 52.2 versus 27.6 in the Noometry coding category.

Which has the bigger context window?

Grok 4.5 does, with 500K tokens against 131K.

How many benchmarks do Grok 4.5 and Llama 3.2 3B share?

14 benchmarks have published results for both models. Grok 4.5 has 52 scored results on Noometry and Llama 3.2 3B has 18.

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