Noometry

Model comparison

Claude Opus 4.1 vs Granite 4.2 3b

Claude Opus 4.1 is the stronger model overall, scoring 41.0 to 39.4 on the Noometry Index.

Last verified . 11 shared benchmarks.

Claude Opus 4.1 Anthropic

41.0

Rank #142 Confirmed

Granite 4.2 3b IBM

39.4

Rank #169 Confirmed

Summary

  • They share 11 benchmarks with published results for both. Claude Opus 4.1 scores higher in 7 categories and Granite 4.2 3b in 0 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where Claude Opus 4.1 leads 62.4 to 47.2.
  • Granite 4.2 3b has downloadable open weights; the other is API-only.

Side by side

Claude Opus 4.1Granite 4.2 3b
ProviderAnthropicIBM
Noometry Index41.039.4
Released2025-08-05—
WeightsProprietaryOpen
Context window200K—
Max output32K—
Input $ / M tokens$15—
Output $ / M tokens$75—
Results tracked4811

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Category by category

Coding Claude Opus 4.1 leads

Claude Opus 4.1: 44.4 (#73), Granite 4.2 3b: 40.0 (#151)

BenchmarkClaude Opus 4.1Granite 4.2 3b
LMArena Coding14791361
SWE-bench Verified73.3%—
LMArena WebDev1390—
WeirdML45.9%—
ALE-Bench674.77—
AlgoTune1.34—

Agentic & Tool Use Not comparable

Claude Opus 4.1: 35.0 (#41), Granite 4.2 3b: —

BenchmarkClaude Opus 4.1Granite 4.2 3b
Terminal-Bench38%—
GDPval43.6%—
Cybench42%—
DeepResearch Bench48.3%—
LMArena Search1148—
METR Time Horizons66.8%—

Reasoning Claude Opus 4.1 leads

Claude Opus 4.1: 32.2 (#76), Granite 4.2 3b: 26.0 (#138)

BenchmarkClaude Opus 4.1Granite 4.2 3b
LMArena Hard Prompts14431306
SimpleBench60%—
Chess Puzzles7%—
EnigmaEval7.2%—
EBR-Bench7.9%—
Mystery Game Puzzles21%—
DTBench80%—
LMCA37.1%—
Epoch Capabilities Index144.12—
ForecastBench62—

Math Not comparable

Claude Opus 4.1: 22.3 (#277), Granite 4.2 3b: —

BenchmarkClaude Opus 4.1Granite 4.2 3b
FrontierMath (Tiers 1-3)12.6%—
FrontierMath Tier 42.4%—
OTIS Mock AIME 2024-202568.9%—
LMArena Math1431—
FrontierMath (Feb 2025 set)7.2%—
FrontierMath Tier 4 (v1)4.2%—

Knowledge Claude Opus 4.1 leads

Claude Opus 4.1: 42.0 (#101), Granite 4.2 3b: 36.3 (#171)

BenchmarkClaude Opus 4.1Granite 4.2 3b
LMArena Expert14391315
GPQA Diamond77.3%—
Humanity's Last Exam11.5%—
Confabulations17.1%—
Vectara Hallucination Rate11.8%—

Multimodal Not comparable

Claude Opus 4.1: 26.8 (#119), Granite 4.2 3b: —

BenchmarkClaude Opus 4.1Granite 4.2 3b
VPCT35%—

Multilingual Claude Opus 4.1 leads

Claude Opus 4.1: 52.0 (#95), Granite 4.2 3b: 42.1 (#198)

BenchmarkClaude Opus 4.1Granite 4.2 3b
LMArena Non-English14051268
LMArena Chinese14271269
LMArena Russian14221249
LMArena French1431—
LMArena German1413—
LMArena Japanese1378—
LMArena Korean1380—
LMArena Spanish1448—

Instruction Following Claude Opus 4.1 leads

Claude Opus 4.1: 75.6 (#58), Granite 4.2 3b: 67.1 (#200)

BenchmarkClaude Opus 4.1Granite 4.2 3b
LMArena Instruction Following14351273

Long Context Claude Opus 4.1 leads

Claude Opus 4.1: 44.5 (#63), Granite 4.2 3b: 39.2 (#185)

BenchmarkClaude Opus 4.1Granite 4.2 3b
LMArena Longer Query14551291

Writing & Preference Claude Opus 4.1 leads

Claude Opus 4.1: 62.4 (#74), Granite 4.2 3b: 47.2 (#212)

BenchmarkClaude Opus 4.1Granite 4.2 3b
LMArena Text14191293
LMArena Creative Writing14121205
LMArena Multi-Turn14441290
Short-Story Creative Writing84.7%—

Frequently asked questions

Is Claude Opus 4.1 better than Granite 4.2 3b?

Claude Opus 4.1 is the stronger model overall, scoring 41.0 to 39.4 on the Noometry Index.

Is Claude Opus 4.1 or Granite 4.2 3b better for coding?

Claude Opus 4.1 scores higher on coding benchmarks: 44.4 versus 40.0 in the Noometry coding category.

How many benchmarks do Claude Opus 4.1 and Granite 4.2 3b share?

11 benchmarks have published results for both models. Claude Opus 4.1 has 48 scored results on Noometry and Granite 4.2 3b has 11.

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