Model comparison

GPT-5.5 Pro vs Llama 3.2 90B

GPT-5.5 Pro is the stronger model overall, scoring 64.3 to 27.5 on the Noometry Index.

Last verified . 3 shared benchmarks.

GPT-5.5 Pro OpenAI

64.3

Rank #8 Confirmed

Llama 3.2 90B Meta

27.5

Rank #331 Confirmed

Summary

  • They share 3 benchmarks with published results for both. GPT-5.5 Pro scores higher in 3 categories and Llama 3.2 90B in 0 categories; 3 gaps are clear of the uncertainty.
  • The widest gap is in math, where GPT-5.5 Pro leads 84.0 to 11.1.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 100% for GPT-5.5 Pro and 2.6% for Llama 3.2 90B.
  • Llama 3.2 90B has downloadable open weights; the other is API-only.

Side by side

GPT-5.5 Pro and Llama 3.2 90B specifications
GPT-5.5 ProLlama 3.2 90B
ProviderOpenAIMeta
Noometry Index64.327.5
Released2026-04-232024-09-24
WeightsProprietaryOpen
Context window1.05M—
Max output128K—
Input $ / M tokens$30—
Output $ / M tokens$180—
Results tracked149

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Category by category

Agentic & Tool Use Not comparable

GPT-5.5 Pro: —, Llama 3.2 90B: 30.0 (#80)

Agentic & Tool Use benchmarks
BenchmarkGPT-5.5 ProLlama 3.2 90B
BALROG—27.3%

Reasoning GPT-5.5 Pro leads

GPT-5.5 Pro: 73.3 (#10), Llama 3.2 90B: 21.7 (#217)

Reasoning benchmarks
BenchmarkGPT-5.5 ProLlama 3.2 90B
Epoch Capabilities Index162.07125.5
ARC-AGI-284.6%—
SimpleBench76.9%—
ARC-AGI-196.5%—
CritPt30.6%—
Chess Puzzles64%—
EnigmaEval—0.4%
DTBench96%—
LMCA53.9%—

Math GPT-5.5 Pro leads

GPT-5.5 Pro: 84.0 (#10), Llama 3.2 90B: 11.1 (#308)

Math benchmarks
BenchmarkGPT-5.5 ProLlama 3.2 90B
OTIS Mock AIME 2024-2025100%2.6%
FrontierMath (Tiers 1-3)87.7%—
FrontierMath Tier 478%—
MATH Level 5—39.4%
FrontierMath (Feb 2025 set)52.4%—
FrontierMath Tier 4 (v1)39.6%—

Knowledge GPT-5.5 Pro leads

GPT-5.5 Pro: 64.1 (#19), Llama 3.2 90B: 21.7 (#274)

Knowledge benchmarks
BenchmarkGPT-5.5 ProLlama 3.2 90B
GPQA Diamond93.9%41%
MMLU—80.3%

Multimodal Not comparable

GPT-5.5 Pro: —, Llama 3.2 90B: 25.4 (#124)

Multimodal benchmarks
BenchmarkGPT-5.5 ProLlama 3.2 90B
LMArena Vision—1000
GeoBench—52%

Frequently asked questions

Is GPT-5.5 Pro better than Llama 3.2 90B?

GPT-5.5 Pro is the stronger model overall, scoring 64.3 to 27.5 on the Noometry Index.

How many benchmarks do GPT-5.5 Pro and Llama 3.2 90B share?

3 benchmarks have published results for both models. GPT-5.5 Pro has 14 scored results on Noometry and Llama 3.2 90B has 9.

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