Model comparison

Grok-2 (Dec 2024) vs Phi 3 Medium 4k Instruct

Grok-2 (Dec 2024) and Phi 3 Medium 4k Instruct score almost the same on the Noometry Index (33.7 vs 33.0), so choose on price, context window or the category you care about most.

Last verified . 17 shared benchmarks.

Grok-2 (Dec 2024) xAI

33.7

Rank #239 Confirmed

Phi 3 Medium 4k Instruct Microsoft

33.0

Rank #250 Confirmed

Summary

  • They share 17 benchmarks with published results for both. Grok-2 (Dec 2024) scores higher in 5 categories and Phi 3 Medium 4k Instruct in 3 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where Grok-2 (Dec 2024) leads 48.6 to 34.1.
  • Phi 3 Medium 4k Instruct has downloadable open weights; the other is API-only.

Side by side

Grok-2 (Dec 2024) and Phi 3 Medium 4k Instruct specifications
Grok-2 (Dec 2024)Phi 3 Medium 4k Instruct
ProviderxAIMicrosoft
Noometry Index33.733.0
Released2024-08-13—
WeightsProprietaryOpen
Context window——
Max output——
Input $ / M tokens——
Output $ / M tokens——
Results tracked3417

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Category by category

Coding Too close to call

Grok-2 (Dec 2024): 33.3 (#258), Phi 3 Medium 4k Instruct: 32.9 (#268)

Coding benchmarks
BenchmarkGrok-2 (Dec 2024)Phi 3 Medium 4k Instruct
LMArena Coding12871130
WeirdML22.2%—
LiveBench Coding46.4%—

Reasoning Phi 3 Medium 4k Instruct leads

Grok-2 (Dec 2024): 16.9 (#299), Phi 3 Medium 4k Instruct: 21.7 (#214)

Reasoning benchmarks
BenchmarkGrok-2 (Dec 2024)Phi 3 Medium 4k Instruct
LMArena Hard Prompts12721127
SimpleBench22.7%—
LiveBench Reasoning54.8%—
DTBench65.2%—
LiveBench Data Analysis54.5%—
Epoch Capabilities Index130.48—
LiveBench54.3%—

Math Phi 3 Medium 4k Instruct leads

Grok-2 (Dec 2024): 20.8 (#284), Phi 3 Medium 4k Instruct: 33.4 (#202)

Math benchmarks
BenchmarkGrok-2 (Dec 2024)Phi 3 Medium 4k Instruct
LMArena Math12831173
OTIS Mock AIME 2024-202511.5%—
LiveBench Math54.9%—
MATH Level 563.5%—
FrontierMath (Feb 2025 set)0.7%—

Knowledge Too close to call

Grok-2 (Dec 2024): 29.8 (#233), Phi 3 Medium 4k Instruct: 30.2 (#229)

Knowledge benchmarks
BenchmarkGrok-2 (Dec 2024)Phi 3 Medium 4k Instruct
LMArena Expert12541108
GPQA Diamond53.8%—
Confabulations20.1%—

Multilingual Grok-2 (Dec 2024) leads

Grok-2 (Dec 2024): 43.1 (#188), Phi 3 Medium 4k Instruct: 30.6 (#263)

Multilingual benchmarks
BenchmarkGrok-2 (Dec 2024)Phi 3 Medium 4k Instruct
LMArena Non-English12821094
LMArena Chinese12891108
LMArena French13181110
LMArena German12871101
LMArena Japanese12441042
LMArena Korean1237954
LMArena Russian12861145
LMArena Spanish12811095

Instruction Following Grok-2 (Dec 2024) leads

Grok-2 (Dec 2024): 66.9 (#202), Phi 3 Medium 4k Instruct: 57.6 (#268)

Instruction Following benchmarks
BenchmarkGrok-2 (Dec 2024)Phi 3 Medium 4k Instruct
LMArena Instruction Following12701113
LiveBench Instruction Following69.6%—

Long Context Grok-2 (Dec 2024) leads

Grok-2 (Dec 2024): 38.8 (#190), Phi 3 Medium 4k Instruct: 34.0 (#255)

Long Context benchmarks
BenchmarkGrok-2 (Dec 2024)Phi 3 Medium 4k Instruct
LMArena Longer Query12761120

Writing & Preference Grok-2 (Dec 2024) leads

Grok-2 (Dec 2024): 48.6 (#198), Phi 3 Medium 4k Instruct: 34.1 (#272)

Writing & Preference benchmarks
BenchmarkGrok-2 (Dec 2024)Phi 3 Medium 4k Instruct
LMArena Text13051138
LMArena Creative Writing12841107
LMArena Multi-Turn12901088
Short-Story Creative Writing63.6%—
LiveBench Language45.6%—

Frequently asked questions

Is Grok-2 (Dec 2024) better than Phi 3 Medium 4k Instruct?

Grok-2 (Dec 2024) and Phi 3 Medium 4k Instruct score almost the same on the Noometry Index (33.7 vs 33.0), so choose on price, context window or the category you care about most.

Is Grok-2 (Dec 2024) or Phi 3 Medium 4k Instruct better for coding?

They score almost the same on coding (33.3 vs 32.9); test both on your own repository before choosing.

How many benchmarks do Grok-2 (Dec 2024) and Phi 3 Medium 4k Instruct share?

17 benchmarks have published results for both models. Grok-2 (Dec 2024) has 34 scored results on Noometry and Phi 3 Medium 4k Instruct has 17.

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