Model comparison

Grok 3 vs Phi-4

Grok 3 is the stronger model overall, scoring 39.9 to 31.2 on the Noometry Index.

Last verified . 25 shared benchmarks.

Grok 3 xAI

39.9

Rank #157 Confirmed

Phi-4 Microsoft

31.2

Rank #279 Confirmed

Summary

  • They share 25 benchmarks with published results for both. Grok 3 scores higher in 8 categories and Phi-4 in 1 category; 9 gaps are clear of the uncertainty.
  • The widest gap is in math, where Grok 3 leads 38.0 to 20.8.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 55.6% for Grok 3 and 13.8% for Phi-4.
  • Phi-4 has downloadable open weights; the other is API-only.

Side by side

Grok 3 and Phi-4 specifications
Grok 3Phi-4
ProviderxAIMicrosoft
Noometry Index39.931.2
Released2025-04-092024-12-11
WeightsProprietaryOpen
Context window—128K
Max output—4K
Input $ / M tokens—$0.07
Output $ / M tokens—$0.14
Results tracked4037

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

Category by category

Coding Grok 3 leads

Grok 3: 41.9 (#115), Phi-4: 34.4 (#239)

Coding benchmarks
BenchmarkGrok 3Phi-4
LMArena Coding14321231
Aider Polyglot53.3%—
WeirdML37.2%—
BigCodeBench Instruct—45.5%
LiveBench Coding—30.7%
BigCodeBench Complete—55.4%

Agentic & Tool Use Grok 3 leads

Grok 3: 30.5 (#76), Phi-4: 22.8 (#128)

Agentic & Tool Use benchmarks
BenchmarkGrok 3Phi-4
BALROG29.5%11.6%
Berkeley Function Calling Leaderboard—28.8%

Reasoning Phi-4 leads

Grok 3: 13.7 (#333), Phi-4: 17.7 (#291)

Reasoning benchmarks
BenchmarkGrok 3Phi-4
LMArena Hard Prompts14341220
Epoch Capabilities Index138.33130.42
ARC-AGI-20%—
SimpleBench36.1%—
Kagi LLM Benchmark61.3%—
ARC-AGI-15.5%—
Chess Puzzles—1%
LiveBench Reasoning—47.8%
LiveBench Data Analysis—45.2%
LiveBench—41.6%

Math Grok 3 leads

Grok 3: 38.0 (#145), Phi-4: 20.8 (#285)

Math benchmarks
BenchmarkGrok 3Phi-4
OTIS Mock AIME 2024-202555.6%13.8%
LMArena Math13911246
MATH Level 588.7%64.9%
Omni-MATH46.4%—
LiveBench Math—42%
FrontierMath (Feb 2025 set)3.8%—
FrontierMath Tier 4 (v1)0%—

Knowledge Grok 3 leads

Grok 3: 46.2 (#82), Phi-4: 32.6 (#209)

Knowledge benchmarks
BenchmarkGrok 3Phi-4
GPQA Diamond75.8%56.1%
Confabulations14.2%29.4%
Vectara Hallucination Rate5.8%3.7%
LMArena Expert14211203
MMLU-Pro78.8%—
GPQA (HELM)65%—
MMLU—84.8%

Multilingual Grok 3 leads

Grok 3: 52.3 (#87), Phi-4: 37.2 (#237)

Multilingual benchmarks
BenchmarkGrok 3Phi-4
LMArena Non-English14101197
LMArena Chinese14481212
LMArena French14601224
LMArena German14311222
LMArena Japanese13871158
LMArena Korean13731151
LMArena Russian14161209
LMArena Spanish14171234

Instruction Following Grok 3 leads

Grok 3: 75.0 (#73), Phi-4: 60.4 (#251)

Instruction Following benchmarks
BenchmarkGrok 3Phi-4
LMArena Instruction Following14091201
LiveBench Instruction Following—58.4%
IFEval88.4%—

Long Context Grok 3 leads

Grok 3: 38.7 (#192), Phi-4: 36.9 (#226)

Long Context benchmarks
BenchmarkGrok 3Phi-4
LMArena Longer Query14391217
Fiction.LiveBench58.3%—

Writing & Preference Grok 3 leads

Grok 3: 55.8 (#141), Phi-4: 40.5 (#244)

Writing & Preference benchmarks
BenchmarkGrok 3Phi-4
LMArena Text14261217
LMArena Creative Writing14141182
Short-Story Creative Writing76.4%62.6%
LMArena Multi-Turn14251206
EQ-Bench Creative Writing1186—
WildBench84.9%—
LiveBench Language—25.6%

Frequently asked questions

Is Grok 3 better than Phi-4?

Grok 3 is the stronger model overall, scoring 39.9 to 31.2 on the Noometry Index.

Is Grok 3 or Phi-4 better for coding?

Grok 3 scores higher on coding benchmarks: 41.9 versus 34.4 in the Noometry coding category.

How many benchmarks do Grok 3 and Phi-4 share?

25 benchmarks have published results for both models. Grok 3 has 40 scored results on Noometry and Phi-4 has 37.

Related comparisons

Go deeper