Noometry

Model comparison

GPT-5.4 Pro vs Laguna XS.2

GPT-5.4 Pro has enough public results to be ranked (#16); Laguna XS.2 does not yet, so treat this comparison as directional.

Last verified . 0 shared benchmarks.

GPT-5.4 Pro OpenAI

58.8

Rank #16 Confirmed

Laguna XS.2 Poolside

32.5

Unranked Sparse

Summary

  • The widest gap is in math, where GPT-5.4 Pro leads 72.0 to 20.3.
  • Laguna XS.2 has downloadable open weights; the other is API-only.

Side by side

GPT-5.4 ProLaguna XS.2
ProviderOpenAIPoolside
Noometry Index58.832.5
Released2026-03-052026-04-28
WeightsProprietaryOpen
Context window1.05M—
Max output128K—
Input $ / M tokens$30—
Output $ / M tokens$180—
Results tracked162

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Category by category

Coding GPT-5.4 Pro leads

GPT-5.4 Pro: 42.6 (#89), Laguna XS.2: 34.1

BenchmarkGPT-5.4 ProLaguna XS.2
LMArena WebDev—1302
WeirdML57.4%—

Reasoning Not comparable

GPT-5.4 Pro: 71.0 (#10), Laguna XS.2: —

BenchmarkGPT-5.4 ProLaguna XS.2
ARC-AGI-283.3%—
SimpleBench74.1%—
ARC-AGI-194.5%—
CritPt30%—
Chess Puzzles58.6%—
EnigmaEval23.8%—
Epoch Capabilities Index159.12—

Math GPT-5.4 Pro leads

GPT-5.4 Pro: 72.0 (#17), Laguna XS.2: 20.3

BenchmarkGPT-5.4 ProLaguna XS.2
FrontierMath (Tiers 1-3)82.5%—
FrontierMath Tier 458.5%—
ProofBench—0%
FrontierMath (Feb 2025 set)50%—
FrontierMath Tier 4 (v1)37.5%—

Knowledge Not comparable

GPT-5.4 Pro: 68.3 (#6), Laguna XS.2: —

BenchmarkGPT-5.4 ProLaguna XS.2
GPQA Diamond94.6%—
Humanity's Last Exam44.3%—
SimpleQA Verified46.3%—
Vectara Hallucination Rate8.3%—

Frequently asked questions

Is GPT-5.4 Pro better than Laguna XS.2?

GPT-5.4 Pro has enough public results to be ranked (#16); Laguna XS.2 does not yet, so treat this comparison as directional.

Is GPT-5.4 Pro or Laguna XS.2 better for coding?

GPT-5.4 Pro scores higher on coding benchmarks: 42.6 versus 34.1 in the Noometry coding category.

How many benchmarks do GPT-5.4 Pro and Laguna XS.2 share?

0 benchmarks have published results for both models. GPT-5.4 Pro has 16 scored results on Noometry and Laguna XS.2 has 2.

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