Model comparison

GPT-5.4 vs Phi-3.5-MoE

GPT-5.4 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 OpenAI

59.4

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 and Phi-3.5-MoE specifications
GPT-5.4Phi-3.5-MoE
ProviderOpenAIMicrosoft
Noometry Index59.4—
Released2026-03-052024-08-17
WeightsProprietaryOpen
Context window1.05M—
Max output128K—
Input $ / M tokens$2.50—
Output $ / M tokens$15—
Results tracked683

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Category by category

Coding Not comparable

GPT-5.4: 52.6 (#33), Phi-3.5-MoE: —

Coding benchmarks
BenchmarkGPT-5.4Phi-3.5-MoE
SWE-bench Verified76.9%—
DeepSWE51.8%—
LMArena WebDev1465—
SciCode56.6%—
GSO31.4%—
WeirdML77.7%—
LMArena Coding1497—
MirrorCode15.6%—
ALE-Bench1,607—
AlgoTune1.85—

Agentic & Tool Use Not comparable

GPT-5.4: 46.5 (#13), Phi-3.5-MoE: —

Agentic & Tool Use benchmarks
BenchmarkGPT-5.4Phi-3.5-MoE
Terminal-Bench81.8%—
APEX-Agents52.4%—
τ²-bench Banking39.4%—
DeepResearch Bench35.1%—
PostTrainBench19%—
GBAEval45.1%—
LMArena Search1197—
METR Time Horizons74.3%—
Vending-Bench 26,144—

Reasoning Not comparable

GPT-5.4: 61.8 (#19), Phi-3.5-MoE: —

Reasoning benchmarks
BenchmarkGPT-5.4Phi-3.5-MoE
ARC-AGI-274%—
Kagi LLM Benchmark63.8%—
NYT Connections (extended)91.3%—
ARC-AGI-193.7%—
CritPt23.4%—
Chess Puzzles44%—
EnigmaEval16%—
Thematic Generalization80%—
EBR-Bench25.4%—
LMArena Hard Prompts1485—
Mystery Game Puzzles37%—
DTBench94.4%—
LMCA52%—
Epoch Capabilities Index156.81—
ForecastBench59.5—
PIQA—88.6%

Math Not comparable

GPT-5.4: 73.5 (#19), Phi-3.5-MoE: —

Knowledge Not comparable

GPT-5.4: 65.3 (#14), Phi-3.5-MoE: —

Knowledge benchmarks
BenchmarkGPT-5.4Phi-3.5-MoE
GPQA Diamond93.3%—
Humanity's Last Exam36.2%—
SimpleQA Verified45.1%—
Vectara Hallucination Rate7%—
LMArena Expert1507—
BoolQ—84.6%

Multimodal Not comparable

GPT-5.4: 43.7 (#20), Phi-3.5-MoE: —

Multimodal benchmarks
BenchmarkGPT-5.4Phi-3.5-MoE
LMArena Vision1303—
Blueprint-Bench 227.1%—
Furniture Assembly37.5%—
LMArena Document1471—

Multilingual Not comparable

GPT-5.4: 56.2 (#23), Phi-3.5-MoE: —

Multilingual benchmarks
BenchmarkGPT-5.4Phi-3.5-MoE
LMArena Non-English1465—
LMArena Chinese1519—
LMArena French1493—
LMArena German1472—
LMArena Japanese1485—
LMArena Korean1448—
LMArena Russian1480—
LMArena Spanish1454—

Instruction Following Not comparable

GPT-5.4: 77.1 (#27), Phi-3.5-MoE: —

Instruction Following benchmarks
BenchmarkGPT-5.4Phi-3.5-MoE
LMArena Instruction Following1469—

Long Context Not comparable

GPT-5.4: 50.3 (#8), Phi-3.5-MoE: —

Long Context benchmarks
BenchmarkGPT-5.4Phi-3.5-MoE
CL-bench27.9%—
CL-bench Life21.7%—
LMArena Longer Query1473—

Writing & Preference Not comparable

GPT-5.4: 71.9 (#17), Phi-3.5-MoE: —

Writing & Preference benchmarks
BenchmarkGPT-5.4Phi-3.5-MoE
LMArena Text1469—
LMArena Creative Writing1439—
EQ-Bench Creative Writing1840—
EQ-Bench 41272—
LMArena Multi-Turn1482—

Frequently asked questions

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

GPT-5.4 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 and Phi-3.5-MoE share?

0 benchmarks have published results for both models. GPT-5.4 has 68 scored results on Noometry and Phi-3.5-MoE has 3.

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