Model comparison

GPT-5.4 Pro vs Phi 3 Small 8k Instruct

GPT-5.4 Pro is the stronger model overall, scoring 58.8 to 28.8 on the Noometry Index.

Last verified . 0 shared benchmarks.

GPT-5.4 Pro OpenAI

58.8

Rank #16 Confirmed

Phi 3 Small 8k Instruct Microsoft

28.8

Rank #310 Confirmed

Summary

  • The widest gap is in reasoning, where GPT-5.4 Pro leads 71.0 to 14.2.
  • Phi 3 Small 8k Instruct has downloadable open weights; the other is API-only.

Side by side

GPT-5.4 Pro and Phi 3 Small 8k Instruct specifications
GPT-5.4 ProPhi 3 Small 8k Instruct
ProviderOpenAIMicrosoft
Noometry Index58.828.8
Released2026-03-052024-04-23
WeightsProprietaryOpen
Context window1.05M—
Max output128K—
Input $ / M tokens$30—
Output $ / M tokens$180—
Results tracked1632

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding GPT-5.4 Pro leads

GPT-5.4 Pro: 42.6 (#89), Phi 3 Small 8k Instruct: 27.4 (#313)

Coding benchmarks
BenchmarkGPT-5.4 ProPhi 3 Small 8k Instruct
WeirdML57.4%—
LiveBench Coding—20.3%
LMArena Coding—1102

Reasoning GPT-5.4 Pro leads

GPT-5.4 Pro: 71.0 (#10), Phi 3 Small 8k Instruct: 14.2 (#319)

Reasoning benchmarks
BenchmarkGPT-5.4 ProPhi 3 Small 8k Instruct
ARC-AGI-283.3%—
SimpleBench74.1%—
ARC-AGI-194.5%—
CritPt30%—
Chess Puzzles58.6%—
EnigmaEval23.8%—
LiveBench Reasoning—15.9%
LMArena Hard Prompts—1100
LiveBench Data Analysis—30.3%
Adversarial NLI—58.1%
BIG-Bench Hard—79.1%
Epoch Capabilities Index159.12—
HellaSwag—77%
LiveBench—24%
WinoGrande—81.5%

Math GPT-5.4 Pro leads

GPT-5.4 Pro: 72.0 (#17), Phi 3 Small 8k Instruct: 25.4 (#247)

Math benchmarks
BenchmarkGPT-5.4 ProPhi 3 Small 8k Instruct
FrontierMath (Tiers 1-3)82.5%—
FrontierMath Tier 458.5%—
LiveBench Math—17.6%
LMArena Math—1151
FrontierMath (Feb 2025 set)50%—
FrontierMath Tier 4 (v1)37.5%—

Knowledge GPT-5.4 Pro leads

GPT-5.4 Pro: 68.3 (#6), Phi 3 Small 8k Instruct: 28.5 (#237)

Knowledge benchmarks
BenchmarkGPT-5.4 ProPhi 3 Small 8k Instruct
GPQA Diamond94.6%—
Humanity's Last Exam44.3%—
SimpleQA Verified46.3%—
Vectara Hallucination Rate8.3%—
LMArena Expert—1067
ARC (AI2) Challenge—90.7%
MMLU—75.7%
OpenBookQA—88%
TriviaQA—58.1%

Multilingual Not comparable

GPT-5.4 Pro: —, Phi 3 Small 8k Instruct: 28.6 (#267)

Multilingual benchmarks
BenchmarkGPT-5.4 ProPhi 3 Small 8k Instruct
LMArena Non-English—1058
LMArena Chinese—1061
LMArena French—1134
LMArena German—1080
LMArena Japanese—966
LMArena Korean—894
LMArena Russian—1111
LMArena Spanish—1111

Instruction Following Not comparable

GPT-5.4 Pro: —, Phi 3 Small 8k Instruct: 52.2 (#287)

Instruction Following benchmarks
BenchmarkGPT-5.4 ProPhi 3 Small 8k Instruct
LiveBench Instruction Following—47.2%
LMArena Instruction Following—1087

Long Context Not comparable

GPT-5.4 Pro: —, Phi 3 Small 8k Instruct: 33.0 (#262)

Long Context benchmarks
BenchmarkGPT-5.4 ProPhi 3 Small 8k Instruct
LMArena Longer Query—1088

Writing & Preference Not comparable

GPT-5.4 Pro: —, Phi 3 Small 8k Instruct: 31.3 (#279)

Writing & Preference benchmarks
BenchmarkGPT-5.4 ProPhi 3 Small 8k Instruct
LMArena Text—1110
LMArena Creative Writing—1083
LMArena Multi-Turn—1068
LiveBench Language—12.9%

Frequently asked questions

Is GPT-5.4 Pro better than Phi 3 Small 8k Instruct?

GPT-5.4 Pro is the stronger model overall, scoring 58.8 to 28.8 on the Noometry Index.

Is GPT-5.4 Pro or Phi 3 Small 8k Instruct better for coding?

GPT-5.4 Pro scores higher on coding benchmarks: 42.6 versus 27.4 in the Noometry coding category.

How many benchmarks do GPT-5.4 Pro and Phi 3 Small 8k Instruct share?

0 benchmarks have published results for both models. GPT-5.4 Pro has 16 scored results on Noometry and Phi 3 Small 8k Instruct has 32.

Related comparisons

Go deeper