Noometry

Model comparison

Grok 4.20 Multi-Agent vs Phi-4 Mini

Grok 4.20 Multi-Agent is the stronger model overall, scoring 46.2 to 30.9 on the Noometry Index. Phi-4 Mini costs 12× less per token, which makes it the better buy when Grok 4.20 Multi-Agent's lead doesn't matter for your workload.

Last verified . 0 shared benchmarks.

Grok 4.20 Multi-Agent xAI

46.2

Rank #65 Confirmed

Phi-4 Mini Microsoft

30.9

Rank #283 Reported

Summary

  • The widest gap is in reasoning, where Grok 4.20 Multi-Agent leads 43.9 to 22.4.
  • Phi-4 Mini is cheaper at $0.075 / $0.30 per million input/output tokens, against $1.25 / $2.50 for Grok 4.20 Multi-Agent.
  • Grok 4.20 Multi-Agent accepts more context: 1M tokens versus 128K.
  • Phi-4 Mini has downloadable open weights; the other is API-only.

Side by side

Grok 4.20 Multi-AgentPhi-4 Mini
ProviderxAIMicrosoft
Noometry Index46.230.9
Released2026-03-092024-12-11
WeightsProprietaryOpen
Context window1M128K
Max output30K4K
Input $ / M tokens$1.25$0.075
Output $ / M tokens$2.50$0.30
Results tracked203

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Category by category

Coding Grok 4.20 Multi-Agent leads

Grok 4.20 Multi-Agent: 43.0 (#92), Phi-4 Mini: 28.1 (#317)

BenchmarkGrok 4.20 Multi-AgentPhi-4 Mini
SciCode—10.8%
LMArena Coding1457—

Agentic & Tool Use Not comparable

Grok 4.20 Multi-Agent: —, Phi-4 Mini: —

BenchmarkGrok 4.20 Multi-AgentPhi-4 Mini
LMArena Search1204—

Reasoning Grok 4.20 Multi-Agent leads

Grok 4.20 Multi-Agent: 43.9 (#48), Phi-4 Mini: 22.4 (#195)

BenchmarkGrok 4.20 Multi-AgentPhi-4 Mini
NYT Connections (extended)89.6%—
CritPt—0%
LMArena Hard Prompts1448—

Math Not comparable

Grok 4.20 Multi-Agent: 39.4 (#104), Phi-4 Mini: —

BenchmarkGrok 4.20 Multi-AgentPhi-4 Mini
LMArena Math1442—

Knowledge Grok 4.20 Multi-Agent leads

Grok 4.20 Multi-Agent: 40.4 (#119), Phi-4 Mini: 25.3 (#262)

BenchmarkGrok 4.20 Multi-AgentPhi-4 Mini
Vectara Hallucination Rate—23.5%
LMArena Expert1445—

Multimodal Not comparable

Grok 4.20 Multi-Agent: 40.5 (#48), Phi-4 Mini: —

BenchmarkGrok 4.20 Multi-AgentPhi-4 Mini
LMArena Vision1259—

Multilingual Not comparable

Grok 4.20 Multi-Agent: 54.4 (#43), Phi-4 Mini: —

BenchmarkGrok 4.20 Multi-AgentPhi-4 Mini
LMArena Non-English1440—
LMArena Chinese1475—
LMArena French1466—
LMArena German1456—
LMArena Japanese1405—
LMArena Korean1416—
LMArena Russian1457—
LMArena Spanish1447—

Instruction Following Not comparable

Grok 4.20 Multi-Agent: 74.8 (#84), Phi-4 Mini: —

BenchmarkGrok 4.20 Multi-AgentPhi-4 Mini
LMArena Instruction Following1420—

Long Context Not comparable

Grok 4.20 Multi-Agent: 43.7 (#88), Phi-4 Mini: —

BenchmarkGrok 4.20 Multi-AgentPhi-4 Mini
LMArena Longer Query1431—

Writing & Preference Not comparable

Grok 4.20 Multi-Agent: 64.0 (#59), Phi-4 Mini: —

BenchmarkGrok 4.20 Multi-AgentPhi-4 Mini
LMArena Text1450—
LMArena Creative Writing1436—
LMArena Multi-Turn1452—

Frequently asked questions

Is Grok 4.20 Multi-Agent better than Phi-4 Mini?

Grok 4.20 Multi-Agent is the stronger model overall, scoring 46.2 to 30.9 on the Noometry Index. Phi-4 Mini costs 12× less per token, which makes it the better buy when Grok 4.20 Multi-Agent's lead doesn't matter for your workload.

Which is cheaper, Grok 4.20 Multi-Agent or Phi-4 Mini?

Phi-4 Mini is cheaper. It lists at $0.075 per million input tokens and $0.30 per million output tokens; Grok 4.20 Multi-Agent lists at $1.25 and $2.50.

Is Grok 4.20 Multi-Agent or Phi-4 Mini better for coding?

Grok 4.20 Multi-Agent scores higher on coding benchmarks: 43.0 versus 28.1 in the Noometry coding category.

Which has the bigger context window?

Grok 4.20 Multi-Agent does, with 1M tokens against 128K.

How many benchmarks do Grok 4.20 Multi-Agent and Phi-4 Mini share?

0 benchmarks have published results for both models. Grok 4.20 Multi-Agent has 20 scored results on Noometry and Phi-4 Mini has 3.

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