Noometry

Model comparison

Granite 3.0 8b Instruct vs Grok 4.3

Grok 4.3 is the stronger model overall, scoring 43.8 to 31.6 on the Noometry Index.

Last verified . 12 shared benchmarks.

Granite 3.0 8b Instruct IBM

31.6

Rank #270 Confirmed

Grok 4.3 xAI

43.8

Rank #86 Confirmed

Summary

  • They share 12 benchmarks with published results for both. Granite 3.0 8b Instruct scores higher in 0 categories and Grok 4.3 in 8 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where Grok 4.3 leads 58.5 to 31.1.
  • Granite 3.0 8b Instruct has downloadable open weights; the other is API-only.

Side by side

Granite 3.0 8b InstructGrok 4.3
ProviderIBMxAI
Noometry Index31.643.8
Released—2026-04-17
WeightsOpenProprietary
Context window—1M
Max output—30K
Input $ / M tokens—$1.25
Output $ / M tokens—$2.50
Results tracked1440

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Category by category

Coding Grok 4.3 leads

Granite 3.0 8b Instruct: 29.7 (#301), Grok 4.3: 41.6 (#121)

BenchmarkGranite 3.0 8b InstructGrok 4.3
LMArena Coding11121415
LMArena WebDev—1357
SciCode—47.3%
WeirdML—49.9%
BigCodeBench Instruct29.3%—
BigCodeBench Complete35.4%—
ALE-Bench—944.17

Agentic & Tool Use Not comparable

Granite 3.0 8b Instruct: —, Grok 4.3: 27.7 (#99)

BenchmarkGranite 3.0 8b InstructGrok 4.3
GDP.pdf—8%
LMArena Search—1165
Vending-Bench 2—35.26

Reasoning Grok 4.3 leads

Granite 3.0 8b Instruct: 20.9 (#230), Grok 4.3: 35.9 (#68)

BenchmarkGranite 3.0 8b InstructGrok 4.3
LMArena Hard Prompts10921396
NYT Connections (extended)—55.2%
CritPt—8%
Chess Puzzles—25%
DTBench—90.7%
LMCA—38.3%
Epoch Capabilities Index—149.16
ForecastBench—60.3

Math Grok 4.3 leads

Granite 3.0 8b Instruct: 32.8 (#210), Grok 4.3: 46.0 (#74)

BenchmarkGranite 3.0 8b InstructGrok 4.3
LMArena Math11431388
FrontierMath (Tiers 1-3)—42.8%
FrontierMath Tier 4—14.6%
OTIS Mock AIME 2024-2025—93.3%
ProofBench—11%

Knowledge Grok 4.3 leads

Granite 3.0 8b Instruct: 29.6 (#236), Grok 4.3: 52.5 (#62)

BenchmarkGranite 3.0 8b InstructGrok 4.3
LMArena Expert10871385
GPQA Diamond—88.8%
SimpleQA Verified—33.2%

Multimodal Not comparable

Granite 3.0 8b Instruct: —, Grok 4.3: 31.6 (#104)

BenchmarkGranite 3.0 8b InstructGrok 4.3
LMArena Vision—1229
Blueprint-Bench 2—0%

Multilingual Grok 4.3 leads

Granite 3.0 8b Instruct: 27.2 (#276), Grok 4.3: 50.5 (#120)

BenchmarkGranite 3.0 8b InstructGrok 4.3
LMArena Non-English10371385
LMArena Chinese10631422
LMArena Russian10601399
LMArena French—1412
LMArena German—1395
LMArena Japanese—1379
LMArena Korean—1356
LMArena Spanish—1398

Instruction Following Grok 4.3 leads

Granite 3.0 8b Instruct: 56.0 (#276), Grok 4.3: 72.1 (#140)

BenchmarkGranite 3.0 8b InstructGrok 4.3
LMArena Instruction Following10881366

Long Context Grok 4.3 leads

Granite 3.0 8b Instruct: 34.0 (#252), Grok 4.3: 42.5 (#123)

BenchmarkGranite 3.0 8b InstructGrok 4.3
LMArena Longer Query11221393

Writing & Preference Grok 4.3 leads

Granite 3.0 8b Instruct: 31.1 (#285), Grok 4.3: 58.5 (#118)

BenchmarkGranite 3.0 8b InstructGrok 4.3
LMArena Text10961397
LMArena Creative Writing10711380
LMArena Multi-Turn10631406
EQ-Bench 4—1075

Frequently asked questions

Is Granite 3.0 8b Instruct better than Grok 4.3?

Grok 4.3 is the stronger model overall, scoring 43.8 to 31.6 on the Noometry Index.

Is Granite 3.0 8b Instruct or Grok 4.3 better for coding?

Grok 4.3 scores higher on coding benchmarks: 41.6 versus 29.7 in the Noometry coding category.

How many benchmarks do Granite 3.0 8b Instruct and Grok 4.3 share?

12 benchmarks have published results for both models. Granite 3.0 8b Instruct has 14 scored results on Noometry and Grok 4.3 has 40.

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