Model comparison

o4-mini vs phi-3-medium 14B

o4-mini is the stronger model overall, scoring 41.6 to 29.7 on the Noometry Index.

Last verified . 3 shared benchmarks.

o4-mini OpenAI

41.6

Rank #132 Confirmed

phi-3-medium 14B Microsoft

29.7

Rank #306 Reported

Summary

  • They share 3 benchmarks with published results for both. o4-mini scores higher in 3 categories and phi-3-medium 14B in 0 categories; 3 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where o4-mini leads 43.6 to 9.1.
  • The biggest single-benchmark swing is MATH Level 5: 97.8% for o4-mini and 17.6% for phi-3-medium 14B.
  • phi-3-medium 14B has downloadable open weights; the other is API-only.

Side by side

o4-mini and phi-3-medium 14B specifications
o4-miniphi-3-medium 14B
ProviderOpenAIMicrosoft
Noometry Index41.629.7
Released2025-04-162024-04-23
WeightsProprietaryOpen
Context window200K—
Max output100K—
Input $ / M tokens$1.10—
Output $ / M tokens$4.40—
Results tracked6013

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

Category by category

Coding o4-mini leads

o4-mini: 40.9 (#127), phi-3-medium 14B: 36.8 (#201)

Coding benchmarks
Benchmarko4-miniphi-3-medium 14B
SWE-bench Verified (bash only)45%—
Aider Polyglot72%—
GSO3.6%—
WeirdML52.6%—
BigCodeBench Instruct—37.6%
LMArena Coding1368—
BigCodeBench Complete—48.7%
CadEval62%—
ALE-Bench826.17—
AlgoTune1.72—

Agentic & Tool Use Not comparable

o4-mini: 32.6 (#61), phi-3-medium 14B: —

Agentic & Tool Use benchmarks
Benchmarko4-miniphi-3-medium 14B
Berkeley Function Calling Leaderboard53.2%—
GDPval25.3%—
METR Time Horizons63.9%—

Reasoning Not comparable

o4-mini: 24.6 (#162), phi-3-medium 14B: —

Reasoning benchmarks
Benchmarko4-miniphi-3-medium 14B
Epoch Capabilities Index145.64121.23
ARC-AGI-26.1%—
SimpleBench38.7%—
Kagi LLM Benchmark67.6%—
ARC-AGI-158.7%—
CritPt0.6%—
Chess Puzzles26%—
EnigmaEval9.2%—
LMArena Hard Prompts1351—
Mystery Game Puzzles5%—
DTBench77.6%—
LMCA26.5%—
Adversarial NLI—55.8%
BIG-Bench Hard—81.4%
ForecastBench61.8—
HellaSwag—82.4%
WinoGrande—81.5%

Math o4-mini leads

o4-mini: 40.8 (#89), phi-3-medium 14B: 27.3 (#250)

Math benchmarks
Benchmarko4-miniphi-3-medium 14B
MATH Level 597.8%17.6%
FrontierMath (Tiers 1-3)36.1%—
FrontierMath Tier 44.9%—
OTIS Mock AIME 2024-202581.7%—
Omni-MATH72%—
LMArena Math1389—
FrontierMath (Feb 2025 set)24.8%—
FrontierMath Tier 4 (v1)6.3%—

Knowledge o4-mini leads

o4-mini: 43.6 (#91), phi-3-medium 14B: 9.1 (#306)

Knowledge benchmarks
Benchmarko4-miniphi-3-medium 14B
GPQA Diamond79.6%27.6%
Humanity's Last Exam18.1%—
SimpleQA Verified19.6%—
MMLU-Pro82%—
Confabulations15.8%—
Vectara Hallucination Rate18.6%—
GPQA (HELM)73.5%—
LMArena Expert1343—
ARC (AI2) Challenge—91.6%
MMLU—78%
OpenBookQA—87.4%
TriviaQA—73.9%

Multimodal Not comparable

o4-mini: 40.2 (#49), phi-3-medium 14B: —

Multimodal benchmarks
Benchmarko4-miniphi-3-medium 14B
LMArena Vision1194—
GeoBench64%—
VPCT57.5%—

Multilingual Not comparable

o4-mini: 47.0 (#154), phi-3-medium 14B: —

Multilingual benchmarks
Benchmarko4-miniphi-3-medium 14B
LMArena Non-English1337—
LMArena Chinese1354—
LMArena French1364—
LMArena German1336—
LMArena Japanese1308—
LMArena Korean1312—
LMArena Russian1334—
LMArena Spanish1347—

Instruction Following Not comparable

o4-mini: 75.2 (#68), phi-3-medium 14B: —

Instruction Following benchmarks
Benchmarko4-miniphi-3-medium 14B
IFEval92.8%—
LMArena Instruction Following1321—

Long Context Not comparable

o4-mini: 45.5 (#33), phi-3-medium 14B: —

Long Context benchmarks
Benchmarko4-miniphi-3-medium 14B
Fiction.LiveBench77.8%—
LMArena Longer Query1315—

Writing & Preference Not comparable

o4-mini: 54.0 (#152), phi-3-medium 14B: —

Writing & Preference benchmarks
Benchmarko4-miniphi-3-medium 14B
LMArena Text1353—
LMArena Creative Writing1294—
Short-Story Creative Writing75%—
WildBench85.4%—
LMArena Multi-Turn1350—

Frequently asked questions

Is o4-mini better than phi-3-medium 14B?

o4-mini is the stronger model overall, scoring 41.6 to 29.7 on the Noometry Index.

Is o4-mini or phi-3-medium 14B better for coding?

o4-mini scores higher on coding benchmarks: 40.9 versus 36.8 in the Noometry coding category.

How many benchmarks do o4-mini and phi-3-medium 14B share?

3 benchmarks have published results for both models. o4-mini has 60 scored results on Noometry and phi-3-medium 14B has 13.

Related comparisons

Go deeper