Model comparison

GPT-5.4 Pro vs Phi-3.5-MoE

GPT-5.4 Pro has enough public results to be ranked (#16); Phi-3.5-MoE does not yet, so treat this comparison as directional.

Last verified . 0 shared benchmarks.

GPT-5.4 Pro OpenAI

58.8

Rank #16 Confirmed

Phi-3.5-MoE Microsoft

—

Unranked

Summary

  • Phi-3.5-MoE has downloadable open weights; the other is API-only.

Side by side

GPT-5.4 Pro and Phi-3.5-MoE specifications
GPT-5.4 ProPhi-3.5-MoE
ProviderOpenAIMicrosoft
Noometry Index58.8—
Released2026-03-052024-08-17
WeightsProprietaryOpen
Context window1.05M—
Max output128K—
Input $ / M tokens$30—
Output $ / M tokens$180—
Results tracked163

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Category by category

Coding Not comparable

GPT-5.4 Pro: 42.6 (#89), Phi-3.5-MoE: —

Coding benchmarks
BenchmarkGPT-5.4 ProPhi-3.5-MoE
WeirdML57.4%—

Reasoning Not comparable

GPT-5.4 Pro: 71.0 (#10), Phi-3.5-MoE: —

Reasoning benchmarks
BenchmarkGPT-5.4 ProPhi-3.5-MoE
ARC-AGI-283.3%—
SimpleBench74.1%—
ARC-AGI-194.5%—
CritPt30%—
Chess Puzzles58.6%—
EnigmaEval23.8%—
Epoch Capabilities Index159.12—
PIQA—88.6%

Math Not comparable

GPT-5.4 Pro: 72.0 (#17), Phi-3.5-MoE: —

Math benchmarks
BenchmarkGPT-5.4 ProPhi-3.5-MoE
FrontierMath (Tiers 1-3)82.5%—
FrontierMath Tier 458.5%—
FrontierMath (Feb 2025 set)50%—
FrontierMath Tier 4 (v1)37.5%—
GSM8K—88.7%

Knowledge Not comparable

GPT-5.4 Pro: 68.3 (#6), Phi-3.5-MoE: —

Knowledge benchmarks
BenchmarkGPT-5.4 ProPhi-3.5-MoE
GPQA Diamond94.6%—
Humanity's Last Exam44.3%—
SimpleQA Verified46.3%—
Vectara Hallucination Rate8.3%—
BoolQ—84.6%

Frequently asked questions

Is GPT-5.4 Pro better than Phi-3.5-MoE?

GPT-5.4 Pro has enough public results to be ranked (#16); Phi-3.5-MoE does not yet, so treat this comparison as directional.

How many benchmarks do GPT-5.4 Pro and Phi-3.5-MoE share?

0 benchmarks have published results for both models. GPT-5.4 Pro has 16 scored results on Noometry and Phi-3.5-MoE has 3.

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