Model comparison

Grok 4.3 vs Llama 3.2 3B

Grok 4.3 is the stronger model overall, scoring 43.8 to 28.9 on the Noometry Index. Llama 3.2 3B costs 13× less per token, which makes it the better buy when Grok 4.3's lead doesn't matter for your workload.

Last verified . 13 shared benchmarks.

Grok 4.3 xAI

43.8

Rank #86 Confirmed

Llama 3.2 3B Meta

28.9

Rank #321 Confirmed

Summary

  • They share 13 benchmarks with published results for both. Grok 4.3 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 4.3 leads 58.5 to 24.7.
  • Llama 3.2 3B is cheaper at $0.05 / $0.33 per million input/output tokens, against $1.25 / $2.50 for Grok 4.3.
  • Grok 4.3 accepts more context: 1M tokens versus 131K.
  • Llama 3.2 3B has downloadable open weights; the other is API-only.

Side by side

Grok 4.3 and Llama 3.2 3B specifications
Grok 4.3Llama 3.2 3B
ProviderxAIMeta
Noometry Index43.828.9
Released2026-04-172024-09-24
WeightsProprietaryOpen
Context window1M131K
Max output30K118K
Input $ / M tokens$1.25$0.05
Output $ / M tokens$2.50$0.33
Results tracked4018

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Category by category

Coding Grok 4.3 leads

Grok 4.3: 41.6 (#121), Llama 3.2 3B: 27.6 (#319)

Coding benchmarks
BenchmarkGrok 4.3Llama 3.2 3B
LMArena Coding14151098
LMArena WebDev1357—
SciCode47.3%—
WeirdML49.9%—
BigCodeBench Instruct—23.4%
BigCodeBench Complete—28.3%
ALE-Bench944.17—

Agentic & Tool Use Grok 4.3 leads

Grok 4.3: 27.7 (#99), Llama 3.2 3B: 20.1 (#143)

Agentic & Tool Use benchmarks
BenchmarkGrok 4.3Llama 3.2 3B
Berkeley Function Calling Leaderboard—21.9%
BALROG—10.1%
GDP.pdf8%—
LMArena Search1165—
Vending-Bench 235.26—

Reasoning Grok 4.3 leads

Grok 4.3: 35.9 (#68), Llama 3.2 3B: 21.0 (#228)

Reasoning benchmarks
BenchmarkGrok 4.3Llama 3.2 3B
LMArena Hard Prompts13961095
NYT Connections (extended)55.2%—
CritPt8%—
Chess Puzzles25%—
DTBench90.7%—
LMCA38.3%—
Epoch Capabilities Index149.16—
ForecastBench60.3—

Math Grok 4.3 leads

Grok 4.3: 46.0 (#74), Llama 3.2 3B: 32.4 (#214)

Math benchmarks
BenchmarkGrok 4.3Llama 3.2 3B
LMArena Math13881126
FrontierMath (Tiers 1-3)42.8%—
FrontierMath Tier 414.6%—
OTIS Mock AIME 2024-202593.3%—
ProofBench11%—

Knowledge Grok 4.3 leads

Grok 4.3: 52.5 (#62), Llama 3.2 3B: 29.7 (#235)

Knowledge benchmarks
BenchmarkGrok 4.3Llama 3.2 3B
LMArena Expert13851090
GPQA Diamond88.8%—
SimpleQA Verified33.2%—

Multimodal Not comparable

Grok 4.3: 31.6 (#104), Llama 3.2 3B: —

Multimodal benchmarks
BenchmarkGrok 4.3Llama 3.2 3B
LMArena Vision1229—
Blueprint-Bench 20%—

Multilingual Grok 4.3 leads

Grok 4.3: 50.5 (#120), Llama 3.2 3B: 26.2 (#281)

Multilingual benchmarks
BenchmarkGrok 4.3Llama 3.2 3B
LMArena Non-English13851019
LMArena Chinese14221017
LMArena German13951056
LMArena Russian1399949
LMArena French1412—
LMArena Japanese1379—
LMArena Korean1356—
LMArena Spanish1398—

Instruction Following Grok 4.3 leads

Grok 4.3: 72.1 (#140), Llama 3.2 3B: 56.0 (#275)

Instruction Following benchmarks
BenchmarkGrok 4.3Llama 3.2 3B
LMArena Instruction Following13661089

Long Context Grok 4.3 leads

Grok 4.3: 42.5 (#123), Llama 3.2 3B: 33.4 (#261)

Long Context benchmarks
BenchmarkGrok 4.3Llama 3.2 3B
LMArena Longer Query13931100

Writing & Preference Grok 4.3 leads

Grok 4.3: 58.5 (#118), Llama 3.2 3B: 24.7 (#307)

Writing & Preference benchmarks
BenchmarkGrok 4.3Llama 3.2 3B
LMArena Text13971110
LMArena Creative Writing13801094
LMArena Multi-Turn14061105
EQ-Bench Creative Writing—595
EQ-Bench 41075—

Frequently asked questions

Is Grok 4.3 better than Llama 3.2 3B?

Grok 4.3 is the stronger model overall, scoring 43.8 to 28.9 on the Noometry Index. Llama 3.2 3B costs 13× less per token, which makes it the better buy when Grok 4.3's lead doesn't matter for your workload.

Which is cheaper, Grok 4.3 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 4.3 lists at $1.25 and $2.50.

Is Grok 4.3 or Llama 3.2 3B better for coding?

Grok 4.3 scores higher on coding benchmarks: 41.6 versus 27.6 in the Noometry coding category.

Which has the bigger context window?

Grok 4.3 does, with 1M tokens against 131K.

How many benchmarks do Grok 4.3 and Llama 3.2 3B share?

13 benchmarks have published results for both models. Grok 4.3 has 40 scored results on Noometry and Llama 3.2 3B has 18.

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