Model comparison

GPT-5 Pro vs Llama 3.2 3B

GPT-5 Pro is the stronger model overall, scoring 46.2 to 28.4 on the Noometry Index. Llama 3.2 3B costs 344× less per token, which makes it the better buy when GPT-5 Pro's lead doesn't matter for your workload.

Last verified . 0 shared benchmarks.

GPT-5 Pro OpenAI

46.2

Rank #58 Confirmed

Llama 3.2 3B Meta

28.4

Rank #318 Confirmed

Summary

  • The widest gap is in knowledge, where GPT-5 Pro leads 56.2 to 29.1.
  • Llama 3.2 3B is cheaper at $0.05 / $0.33 per million input/output tokens, against $15 / $120 for GPT-5 Pro.
  • GPT-5 Pro accepts more context: 400K tokens versus 131K.
  • Llama 3.2 3B has downloadable open weights; the other is API-only.

Side by side

GPT-5 Pro and Llama 3.2 3B specifications
GPT-5 ProLlama 3.2 3B
ProviderOpenAIMeta
Noometry Index46.228.4
Released2025-10-062024-09-24
WeightsProprietaryOpen
Context window400K131K
Max output272K118K
Input $ / M tokens$15$0.05
Output $ / M tokens$120$0.33
Results tracked1218

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Category by category

Coding GPT-5 Pro leads

GPT-5 Pro: 43.4 (#77), Llama 3.2 3B: 27.1 (#314)

Coding benchmarks
BenchmarkGPT-5 ProLlama 3.2 3B
WeirdML60.4%—
BigCodeBench Instruct—23.4%
LMArena Coding—1098
BigCodeBench Complete—28.3%
AlgoTune1.31—

Agentic & Tool Use Not comparable

GPT-5 Pro: —, Llama 3.2 3B: 19.9 (#135)

Agentic & Tool Use benchmarks
BenchmarkGPT-5 ProLlama 3.2 3B
Berkeley Function Calling Leaderboard—21.9%
BALROG—10.1%

Reasoning GPT-5 Pro leads

GPT-5 Pro: 39.2 (#52), Llama 3.2 3B: 20.1 (#225)

Reasoning benchmarks
BenchmarkGPT-5 ProLlama 3.2 3B
ARC-AGI-218.3%—
SimpleBench61.6%—
Kagi LLM Benchmark76.8%—
ARC-AGI-170.2%—
EnigmaEval18.8%—
LMArena Hard Prompts—1095
Epoch Capabilities Index150.26—

Math GPT-5 Pro leads

GPT-5 Pro: 48.0 (#53), Llama 3.2 3B: 29.9 (#213)

Math benchmarks
BenchmarkGPT-5 ProLlama 3.2 3B
FrontierMath (Tiers 1-3)55.8%—
FrontierMath Tier 419.5%—
LMArena Math—1126
FrontierMath Tier 4 (v1)14.6%—

Knowledge GPT-5 Pro leads

GPT-5 Pro: 56.2 (#39), Llama 3.2 3B: 29.1 (#232)

Knowledge benchmarks
BenchmarkGPT-5 ProLlama 3.2 3B
Humanity's Last Exam31.6%—
LMArena Expert—1090

Multilingual Not comparable

GPT-5 Pro: —, Llama 3.2 3B: 26.4 (#276)

Multilingual benchmarks
BenchmarkGPT-5 ProLlama 3.2 3B
LMArena Non-English—1019
LMArena Chinese—1017
LMArena German—1056
LMArena Russian—949

Instruction Following Not comparable

GPT-5 Pro: —, Llama 3.2 3B: 56.3 (#270)

Instruction Following benchmarks
BenchmarkGPT-5 ProLlama 3.2 3B
LMArena Instruction Following—1089

Long Context Not comparable

GPT-5 Pro: —, Llama 3.2 3B: 33.4 (#256)

Long Context benchmarks
BenchmarkGPT-5 ProLlama 3.2 3B
LMArena Longer Query—1101

Writing & Preference Not comparable

GPT-5 Pro: —, Llama 3.2 3B: 24.9 (#302)

Writing & Preference benchmarks
BenchmarkGPT-5 ProLlama 3.2 3B
LMArena Text—1110
LMArena Creative Writing—1094
EQ-Bench Creative Writing—595
LMArena Multi-Turn—1105

Frequently asked questions

Is GPT-5 Pro better than Llama 3.2 3B?

GPT-5 Pro is the stronger model overall, scoring 46.2 to 28.4 on the Noometry Index. Llama 3.2 3B costs 344× less per token, which makes it the better buy when GPT-5 Pro's lead doesn't matter for your workload.

Which is cheaper, GPT-5 Pro 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; GPT-5 Pro lists at $15 and $120.

Is GPT-5 Pro or Llama 3.2 3B better for coding?

GPT-5 Pro scores higher on coding benchmarks: 43.4 versus 27.1 in the Noometry coding category.

Which has the bigger context window?

GPT-5 Pro does, with 400K tokens against 131K.

How many benchmarks do GPT-5 Pro and Llama 3.2 3B share?

0 benchmarks have published results for both models. GPT-5 Pro has 12 scored results on Noometry and Llama 3.2 3B has 18.

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