Noometry

Model comparison

Grok 4.20 Multi-Agent vs Phi 3 Mini 128k Instruct

Grok 4.20 Multi-Agent is the stronger model overall, scoring 46.2 to 29.7 on the Noometry Index.

Last verified . 17 shared benchmarks.

Grok 4.20 Multi-Agent xAI

46.2

Rank #65 Confirmed

Phi 3 Mini 128k Instruct Microsoft

29.7

Rank #305 Confirmed

Summary

  • They share 17 benchmarks with published results for both. Grok 4.20 Multi-Agent scores higher in 8 categories and Phi 3 Mini 128k Instruct in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where Grok 4.20 Multi-Agent leads 64.0 to 27.1.
  • Phi 3 Mini 128k Instruct has downloadable open weights; the other is API-only.

Side by side

Grok 4.20 Multi-AgentPhi 3 Mini 128k Instruct
ProviderxAIMicrosoft
Noometry Index46.229.7
Released2026-03-092024-04-23
WeightsProprietaryOpen
Context window1M—
Max output30K—
Input $ / M tokens$1.25—
Output $ / M tokens$2.50—
Results tracked2019

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Category by category

Coding Grok 4.20 Multi-Agent leads

Grok 4.20 Multi-Agent: 43.0 (#92), Phi 3 Mini 128k Instruct: 28.8 (#312)

BenchmarkGrok 4.20 Multi-AgentPhi 3 Mini 128k Instruct
LMArena Coding14571039
BigCodeBench Instruct—29.6%
BigCodeBench Complete—40.6%

Agentic & Tool Use Not comparable

Grok 4.20 Multi-Agent: —, Phi 3 Mini 128k Instruct: —

BenchmarkGrok 4.20 Multi-AgentPhi 3 Mini 128k Instruct
LMArena Search1204—

Reasoning Grok 4.20 Multi-Agent leads

Grok 4.20 Multi-Agent: 43.9 (#48), Phi 3 Mini 128k Instruct: 19.6 (#256)

BenchmarkGrok 4.20 Multi-AgentPhi 3 Mini 128k Instruct
LMArena Hard Prompts14481028
NYT Connections (extended)89.6%—

Math Grok 4.20 Multi-Agent leads

Grok 4.20 Multi-Agent: 39.4 (#104), Phi 3 Mini 128k Instruct: 31.6 (#222)

BenchmarkGrok 4.20 Multi-AgentPhi 3 Mini 128k Instruct
LMArena Math14421089

Knowledge Grok 4.20 Multi-Agent leads

Grok 4.20 Multi-Agent: 40.4 (#119), Phi 3 Mini 128k Instruct: 26.8 (#254)

BenchmarkGrok 4.20 Multi-AgentPhi 3 Mini 128k Instruct
LMArena Expert1445984

Multimodal Not comparable

Grok 4.20 Multi-Agent: 40.5 (#48), Phi 3 Mini 128k Instruct: —

BenchmarkGrok 4.20 Multi-AgentPhi 3 Mini 128k Instruct
LMArena Vision1259—

Multilingual Grok 4.20 Multi-Agent leads

Grok 4.20 Multi-Agent: 54.4 (#43), Phi 3 Mini 128k Instruct: 25.2 (#285)

BenchmarkGrok 4.20 Multi-AgentPhi 3 Mini 128k Instruct
LMArena Non-English14401000
LMArena Chinese14751016
LMArena French14661039
LMArena German14561006
LMArena Japanese1405899
LMArena Korean1416856
LMArena Russian14571004
LMArena Spanish14471059

Instruction Following Grok 4.20 Multi-Agent leads

Grok 4.20 Multi-Agent: 74.8 (#84), Phi 3 Mini 128k Instruct: 51.8 (#294)

BenchmarkGrok 4.20 Multi-AgentPhi 3 Mini 128k Instruct
LMArena Instruction Following14201023

Long Context Grok 4.20 Multi-Agent leads

Grok 4.20 Multi-Agent: 43.7 (#88), Phi 3 Mini 128k Instruct: 30.4 (#289)

BenchmarkGrok 4.20 Multi-AgentPhi 3 Mini 128k Instruct
LMArena Longer Query1431996

Writing & Preference Grok 4.20 Multi-Agent leads

Grok 4.20 Multi-Agent: 64.0 (#59), Phi 3 Mini 128k Instruct: 27.1 (#301)

BenchmarkGrok 4.20 Multi-AgentPhi 3 Mini 128k Instruct
LMArena Text14501050
LMArena Creative Writing14361024
LMArena Multi-Turn1452989

Frequently asked questions

Is Grok 4.20 Multi-Agent better than Phi 3 Mini 128k Instruct?

Grok 4.20 Multi-Agent is the stronger model overall, scoring 46.2 to 29.7 on the Noometry Index.

Is Grok 4.20 Multi-Agent or Phi 3 Mini 128k Instruct better for coding?

Grok 4.20 Multi-Agent scores higher on coding benchmarks: 43.0 versus 28.8 in the Noometry coding category.

How many benchmarks do Grok 4.20 Multi-Agent and Phi 3 Mini 128k Instruct share?

17 benchmarks have published results for both models. Grok 4.20 Multi-Agent has 20 scored results on Noometry and Phi 3 Mini 128k Instruct has 19.

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