Noometry

Model comparison

Grok 4.20 Multi-Agent vs Granite 4.0 H Small

Grok 4.20 Multi-Agent is the stronger model overall, scoring 45.5 to 35.9 on the Noometry Index.

Last verified . 13 shared benchmarks.

Grok 4.20 Multi-Agent xAI

45.5

Rank #62 Confirmed

Granite 4.0 H Small IBM

35.9

Rank #213 Confirmed

Summary

  • They share 13 benchmarks with published results for both. Grok 4.20 Multi-Agent scores higher in 8 categories and Granite 4.0 H Small in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where Grok 4.20 Multi-Agent leads 64.1 to 44.0.
  • Granite 4.0 H Small has downloadable open weights; the other is API-only.

Side by side

Grok 4.20 Multi-AgentGranite 4.0 H Small
ProviderxAIIBM
Noometry Index45.535.9
Released2026-03-09—
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: 42.4 (#91), Granite 4.0 H Small: 35.8 (#207)

BenchmarkGrok 4.20 Multi-AgentGranite 4.0 H Small
LMArena Coding14581247

Agentic & Tool Use Not comparable

Grok 4.20 Multi-Agent: —, Granite 4.0 H Small: —

BenchmarkGrok 4.20 Multi-AgentGranite 4.0 H Small
LMArena Search1204—

Reasoning Grok 4.20 Multi-Agent leads

Grok 4.20 Multi-Agent: 42.4 (#44), Granite 4.0 H Small: 23.4 (#164)

BenchmarkGrok 4.20 Multi-AgentGranite 4.0 H Small
LMArena Hard Prompts14481240
NYT Connections (extended)89.6%—

Math Grok 4.20 Multi-Agent leads

Grok 4.20 Multi-Agent: 36.6 (#106), Granite 4.0 H Small: 29.3 (#219)

BenchmarkGrok 4.20 Multi-AgentGranite 4.0 H Small
LMArena Math14411251
Omni-MATH—29.6%

Knowledge Grok 4.20 Multi-Agent leads

Grok 4.20 Multi-Agent: 39.7 (#116), Granite 4.0 H Small: 31.5 (#210)

BenchmarkGrok 4.20 Multi-AgentGranite 4.0 H Small
LMArena Expert14451244
MMLU-Pro—56.9%
Vectara Hallucination Rate—5.2%
GPQA (HELM)—38.3%

Multimodal Not comparable

Grok 4.20 Multi-Agent: 39.8 (#44), Granite 4.0 H Small: —

BenchmarkGrok 4.20 Multi-AgentGranite 4.0 H Small
LMArena Vision1259—

Multilingual Grok 4.20 Multi-Agent leads

Grok 4.20 Multi-Agent: 54.6 (#40), Granite 4.0 H Small: 38.7 (#223)

BenchmarkGrok 4.20 Multi-AgentGranite 4.0 H Small
LMArena Non-English14401216
LMArena Chinese14751250
LMArena Russian14571198
LMArena Spanish14471258
LMArena French1467—
LMArena German1456—
LMArena Japanese1405—
LMArena Korean1416—

Instruction Following Grok 4.20 Multi-Agent leads

Grok 4.20 Multi-Agent: 75.0 (#80), Granite 4.0 H Small: 68.9 (#178)

BenchmarkGrok 4.20 Multi-AgentGranite 4.0 H Small
LMArena Instruction Following14201221
IFEval—89%

Long Context Grok 4.20 Multi-Agent leads

Grok 4.20 Multi-Agent: 43.7 (#84), Granite 4.0 H Small: 37.6 (#209)

BenchmarkGrok 4.20 Multi-AgentGranite 4.0 H Small
LMArena Longer Query14301240

Writing & Preference Grok 4.20 Multi-Agent leads

Grok 4.20 Multi-Agent: 64.1 (#57), Granite 4.0 H Small: 44.0 (#222)

BenchmarkGrok 4.20 Multi-AgentGranite 4.0 H Small
LMArena Text14501241
LMArena Creative Writing14351210
LMArena Multi-Turn14511243
WildBench—73.9%

Frequently asked questions

Is Grok 4.20 Multi-Agent better than Granite 4.0 H Small?

Grok 4.20 Multi-Agent is the stronger model overall, scoring 45.5 to 35.9 on the Noometry Index.

Is Grok 4.20 Multi-Agent or Granite 4.0 H Small better for coding?

Grok 4.20 Multi-Agent scores higher on coding benchmarks: 42.4 versus 35.8 in the Noometry coding category.

How many benchmarks do Grok 4.20 Multi-Agent and Granite 4.0 H Small share?

13 benchmarks have published results for both models. Grok 4.20 Multi-Agent has 20 scored results on Noometry and Granite 4.0 H Small has 19.

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