Noometry

Model comparison

Granite 3.0 8b Instruct vs Grok 4.20 Multi-Agent

Grok 4.20 Multi-Agent is the stronger model overall, scoring 45.5 to 31.1 on the Noometry Index.

Last verified . 12 shared benchmarks.

Granite 3.0 8b Instruct IBM

31.1

Rank #266 Confirmed

Grok 4.20 Multi-Agent xAI

45.5

Rank #62 Confirmed

Summary

  • They share 12 benchmarks with published results for both. Granite 3.0 8b Instruct scores higher in 0 categories and Grok 4.20 Multi-Agent in 8 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 31.2.
  • Granite 3.0 8b Instruct has downloadable open weights; the other is API-only.

Side by side

Granite 3.0 8b InstructGrok 4.20 Multi-Agent
ProviderIBMxAI
Noometry Index31.145.5
Released—2026-03-09
WeightsOpenProprietary
Context window—1M
Max output—30K
Input $ / M tokens—$1.25
Output $ / M tokens—$2.50
Results tracked1420

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Category by category

Coding Grok 4.20 Multi-Agent leads

Granite 3.0 8b Instruct: 29.1 (#297), Grok 4.20 Multi-Agent: 42.4 (#91)

BenchmarkGranite 3.0 8b InstructGrok 4.20 Multi-Agent
LMArena Coding11131458
BigCodeBench Instruct29.3%—
BigCodeBench Complete35.4%—

Agentic & Tool Use Not comparable

Granite 3.0 8b Instruct: —, Grok 4.20 Multi-Agent: —

BenchmarkGranite 3.0 8b InstructGrok 4.20 Multi-Agent
LMArena Search—1204

Reasoning Grok 4.20 Multi-Agent leads

Granite 3.0 8b Instruct: 20.0 (#227), Grok 4.20 Multi-Agent: 42.4 (#44)

BenchmarkGranite 3.0 8b InstructGrok 4.20 Multi-Agent
LMArena Hard Prompts10921448
NYT Connections (extended)—89.6%

Math Grok 4.20 Multi-Agent leads

Granite 3.0 8b Instruct: 30.3 (#211), Grok 4.20 Multi-Agent: 36.6 (#106)

BenchmarkGranite 3.0 8b InstructGrok 4.20 Multi-Agent
LMArena Math11431441

Knowledge Grok 4.20 Multi-Agent leads

Granite 3.0 8b Instruct: 29.1 (#233), Grok 4.20 Multi-Agent: 39.7 (#116)

BenchmarkGranite 3.0 8b InstructGrok 4.20 Multi-Agent
LMArena Expert10871445

Multimodal Not comparable

Granite 3.0 8b Instruct: —, Grok 4.20 Multi-Agent: 39.8 (#44)

BenchmarkGranite 3.0 8b InstructGrok 4.20 Multi-Agent
LMArena Vision—1259

Multilingual Grok 4.20 Multi-Agent leads

Granite 3.0 8b Instruct: 27.4 (#271), Grok 4.20 Multi-Agent: 54.6 (#40)

BenchmarkGranite 3.0 8b InstructGrok 4.20 Multi-Agent
LMArena Non-English10371440
LMArena Chinese10631475
LMArena Russian10601457
LMArena French—1467
LMArena German—1456
LMArena Japanese—1405
LMArena Korean—1416
LMArena Spanish—1447

Instruction Following Grok 4.20 Multi-Agent leads

Granite 3.0 8b Instruct: 56.2 (#271), Grok 4.20 Multi-Agent: 75.0 (#80)

BenchmarkGranite 3.0 8b InstructGrok 4.20 Multi-Agent
LMArena Instruction Following10881420

Long Context Grok 4.20 Multi-Agent leads

Granite 3.0 8b Instruct: 34.0 (#247), Grok 4.20 Multi-Agent: 43.7 (#84)

BenchmarkGranite 3.0 8b InstructGrok 4.20 Multi-Agent
LMArena Longer Query11221430

Writing & Preference Grok 4.20 Multi-Agent leads

Granite 3.0 8b Instruct: 31.2 (#280), Grok 4.20 Multi-Agent: 64.1 (#57)

BenchmarkGranite 3.0 8b InstructGrok 4.20 Multi-Agent
LMArena Text10961450
LMArena Creative Writing10711435
LMArena Multi-Turn10631451

Frequently asked questions

Is Granite 3.0 8b Instruct better than Grok 4.20 Multi-Agent?

Grok 4.20 Multi-Agent is the stronger model overall, scoring 45.5 to 31.1 on the Noometry Index.

Is Granite 3.0 8b Instruct or Grok 4.20 Multi-Agent better for coding?

Grok 4.20 Multi-Agent scores higher on coding benchmarks: 42.4 versus 29.1 in the Noometry coding category.

How many benchmarks do Granite 3.0 8b Instruct and Grok 4.20 Multi-Agent share?

12 benchmarks have published results for both models. Granite 3.0 8b Instruct has 14 scored results on Noometry and Grok 4.20 Multi-Agent has 20.

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