Model comparison

Granite 3.0 2b Instruct vs Grok 4.3

Grok 4.3 is the stronger model overall, scoring 43.6 to 30.2 on the Noometry Index.

Last verified . 12 shared benchmarks.

Granite 3.0 2b Instruct IBM

30.2

Rank #284 Confirmed

Grok 4.3 xAI

43.6

Rank #80 Confirmed

Summary

  • They share 12 benchmarks with published results for both. Granite 3.0 2b 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 58.6 to 29.8.
  • Granite 3.0 2b Instruct has downloadable open weights; the other is API-only.

Side by side

Granite 3.0 2b Instruct and Grok 4.3 specifications
Granite 3.0 2b InstructGrok 4.3
ProviderIBMxAI
Noometry Index30.243.6
Released—2026-04-17
WeightsOpenProprietary
Context window—1M
Max output—30K
Input $ / M tokens—$1.25
Output $ / M tokens—$2.50
Results tracked1340

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Grok 4.3 leads

Granite 3.0 2b Instruct: 27.8 (#311), Grok 4.3: 41.3 (#117)

Coding benchmarks
BenchmarkGranite 3.0 2b InstructGrok 4.3
LMArena Coding10901415
LMArena WebDev—1357
SciCode—47.3%
WeirdML—49.9%
BigCodeBench Instruct20.5%—
ALE-Bench—944.17

Agentic & Tool Use Not comparable

Granite 3.0 2b Instruct: —, Grok 4.3: 27.6 (#93)

Agentic & Tool Use benchmarks
BenchmarkGranite 3.0 2b InstructGrok 4.3
GDP.pdf—8%
LMArena Search—1165
Vending-Bench 2—35.26

Reasoning Grok 4.3 leads

Granite 3.0 2b Instruct: 19.6 (#234), Grok 4.3: 34.9 (#60)

Reasoning benchmarks
BenchmarkGranite 3.0 2b InstructGrok 4.3
LMArena Hard Prompts10731397
NYT Connections (extended)—55.2%
CritPt—8%
Chess Puzzles—25%
DTBench—90.7%
LMCA—38.3%
Epoch Capabilities Index—149.13
ForecastBench—60.3

Math Grok 4.3 leads

Granite 3.0 2b Instruct: 29.7 (#215), Grok 4.3: 45.8 (#60)

Math benchmarks
BenchmarkGranite 3.0 2b InstructGrok 4.3
LMArena Math11171388
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 2b Instruct: 28.4 (#238), Grok 4.3: 52.5 (#57)

Knowledge benchmarks
BenchmarkGranite 3.0 2b InstructGrok 4.3
LMArena Expert10641385
GPQA Diamond—88.8%
SimpleQA Verified—33.2%

Multimodal Not comparable

Granite 3.0 2b Instruct: —, Grok 4.3: 31.6 (#96)

Multimodal benchmarks
BenchmarkGranite 3.0 2b InstructGrok 4.3
LMArena Vision—1231
Blueprint-Bench 2—0%

Multilingual Grok 4.3 leads

Granite 3.0 2b Instruct: 27.1 (#273), Grok 4.3: 50.7 (#114)

Multilingual benchmarks
BenchmarkGranite 3.0 2b InstructGrok 4.3
LMArena Non-English10331385
LMArena Chinese10701423
LMArena Russian10451399
LMArena French—1412
LMArena German—1395
LMArena Japanese—1379
LMArena Korean—1357
LMArena Spanish—1402

Instruction Following Grok 4.3 leads

Granite 3.0 2b Instruct: 54.2 (#279), Grok 4.3: 72.3 (#135)

Instruction Following benchmarks
BenchmarkGranite 3.0 2b InstructGrok 4.3
LMArena Instruction Following10561366

Long Context Grok 4.3 leads

Granite 3.0 2b Instruct: 32.5 (#263), Grok 4.3: 42.5 (#118)

Long Context benchmarks
BenchmarkGranite 3.0 2b InstructGrok 4.3
LMArena Longer Query10711393

Writing & Preference Grok 4.3 leads

Granite 3.0 2b Instruct: 29.8 (#287), Grok 4.3: 58.6 (#112)

Writing & Preference benchmarks
BenchmarkGranite 3.0 2b InstructGrok 4.3
LMArena Text10801397
LMArena Creative Writing10461380
LMArena Multi-Turn10531406
EQ-Bench 4—1075

Frequently asked questions

Is Granite 3.0 2b Instruct better than Grok 4.3?

Grok 4.3 is the stronger model overall, scoring 43.6 to 30.2 on the Noometry Index.

Is Granite 3.0 2b Instruct or Grok 4.3 better for coding?

Grok 4.3 scores higher on coding benchmarks: 41.3 versus 27.8 in the Noometry coding category.

How many benchmarks do Granite 3.0 2b Instruct and Grok 4.3 share?

12 benchmarks have published results for both models. Granite 3.0 2b Instruct has 13 scored results on Noometry and Grok 4.3 has 40.

Related comparisons

Go deeper