Model comparison

Claude 3.5 Sonnet vs Phi 3 Medium 4k Instruct

Claude 3.5 Sonnet is the stronger model overall, scoring 34.4 to 32.4 on the Noometry Index.

Last verified . 17 shared benchmarks.

Claude 3.5 Sonnet Anthropic

34.4

Rank #225 Confirmed

Phi 3 Medium 4k Instruct Microsoft

32.4

Rank #246 Confirmed

Summary

  • They share 17 benchmarks with published results for both. Claude 3.5 Sonnet scores higher in 6 categories and Phi 3 Medium 4k Instruct in 2 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where Claude 3.5 Sonnet leads 53.0 to 34.3.
  • Phi 3 Medium 4k Instruct has downloadable open weights; the other is API-only.

Side by side

Claude 3.5 Sonnet and Phi 3 Medium 4k Instruct specifications
Claude 3.5 SonnetPhi 3 Medium 4k Instruct
ProviderAnthropicMicrosoft
Noometry Index34.432.4
Released2024-06-20—
WeightsProprietaryOpen
Context window——
Max output——
Input $ / M tokens——
Output $ / M tokens——
Results tracked6017

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Category by category

Coding Claude 3.5 Sonnet leads

Claude 3.5 Sonnet: 39.5 (#145), Phi 3 Medium 4k Instruct: 32.3 (#263)

Coding benchmarks
BenchmarkClaude 3.5 SonnetPhi 3 Medium 4k Instruct
LMArena Coding13431130
Aider Polyglot51.6%—
GSO4.6%—
WeirdML40%—
BigCodeBench Instruct46.8%—
LiveBench Coding67.1%—
BigCodeBench Complete58.6%—
CadEval48%—
HumanEval+81.7%—
MBPP+74.3%—

Agentic & Tool Use Not comparable

Claude 3.5 Sonnet: 32.1 (#61), Phi 3 Medium 4k Instruct: —

Agentic & Tool Use benchmarks
BenchmarkClaude 3.5 SonnetPhi 3 Medium 4k Instruct
TheAgentCompany24%—
Cybench17.5%—
BALROG32.6%—
METR Time Horizons45.2%—

Reasoning Claude 3.5 Sonnet leads

Claude 3.5 Sonnet: 22.5 (#176), Phi 3 Medium 4k Instruct: 20.8 (#214)

Reasoning benchmarks
BenchmarkClaude 3.5 SonnetPhi 3 Medium 4k Instruct
LMArena Hard Prompts13051127
SimpleBench41.4%—
EnigmaEval0.9%—
LiveBench Reasoning56.7%—
DTBench67.8%—
LiveBench Data Analysis55%—
Epoch Capabilities Index133.55—
ForecastBench60.7—
LiveBench59%—

Math Phi 3 Medium 4k Instruct leads

Claude 3.5 Sonnet: 18.0 (#282), Phi 3 Medium 4k Instruct: 30.9 (#202)

Math benchmarks
BenchmarkClaude 3.5 SonnetPhi 3 Medium 4k Instruct
LMArena Math13061173
OTIS Mock AIME 2024-20258.5%—
Omni-MATH27.6%—
LiveBench Math52.3%—
MATH Level 556.9%—
FrontierMath (Feb 2025 set)2.1%—
FrontierMath Tier 4 (v1)0%—

Knowledge Phi 3 Medium 4k Instruct leads

Claude 3.5 Sonnet: 28.5 (#236), Phi 3 Medium 4k Instruct: 29.6 (#226)

Knowledge benchmarks
BenchmarkClaude 3.5 SonnetPhi 3 Medium 4k Instruct
LMArena Expert12641108
GPQA Diamond55.3%—
Humanity's Last Exam4.1%—
MMLU-Pro77.7%—
Confabulations19.9%—
GPQA (HELM)56.5%—
MMLU87.3%—

Multimodal Not comparable

Claude 3.5 Sonnet: 26.0 (#115), Phi 3 Medium 4k Instruct: —

Multimodal benchmarks
BenchmarkClaude 3.5 SonnetPhi 3 Medium 4k Instruct
LMArena Vision1125—
Video-MME60%—
GeoBench62%—
VPCT33%—

Multilingual Claude 3.5 Sonnet leads

Claude 3.5 Sonnet: 43.4 (#180), Phi 3 Medium 4k Instruct: 30.8 (#258)

Multilingual benchmarks
BenchmarkClaude 3.5 SonnetPhi 3 Medium 4k Instruct
LMArena Non-English12831094
LMArena Chinese12711108
LMArena French13041109
LMArena German12971101
LMArena Japanese12341042
LMArena Korean1200954
LMArena Russian13051145
LMArena Spanish12891095

Instruction Following Claude 3.5 Sonnet leads

Claude 3.5 Sonnet: 69.0 (#177), Phi 3 Medium 4k Instruct: 57.8 (#263)

Instruction Following benchmarks
BenchmarkClaude 3.5 SonnetPhi 3 Medium 4k Instruct
LMArena Instruction Following12971114
LiveBench Instruction Following69.3%—
IFEval85.5%—

Long Context Claude 3.5 Sonnet leads

Claude 3.5 Sonnet: 39.9 (#162), Phi 3 Medium 4k Instruct: 33.9 (#250)

Long Context benchmarks
BenchmarkClaude 3.5 SonnetPhi 3 Medium 4k Instruct
LMArena Longer Query13111120

Writing & Preference Claude 3.5 Sonnet leads

Claude 3.5 Sonnet: 53.0 (#159), Phi 3 Medium 4k Instruct: 34.3 (#267)

Writing & Preference benchmarks
BenchmarkClaude 3.5 SonnetPhi 3 Medium 4k Instruct
LMArena Text12981138
LMArena Creative Writing12921106
LMArena Multi-Turn13261088
Short-Story Creative Writing80.3%—
EQ-Bench Creative Writing1451—
WildBench79.2%—
LiveBench Language53.8%—

Frequently asked questions

Is Claude 3.5 Sonnet better than Phi 3 Medium 4k Instruct?

Claude 3.5 Sonnet is the stronger model overall, scoring 34.4 to 32.4 on the Noometry Index.

Is Claude 3.5 Sonnet or Phi 3 Medium 4k Instruct better for coding?

Claude 3.5 Sonnet scores higher on coding benchmarks: 39.5 versus 32.3 in the Noometry coding category.

How many benchmarks do Claude 3.5 Sonnet and Phi 3 Medium 4k Instruct share?

17 benchmarks have published results for both models. Claude 3.5 Sonnet has 60 scored results on Noometry and Phi 3 Medium 4k Instruct has 17.

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