Noometry

Model comparison

Claude Opus 4 vs Granite 4.1 8b

Claude Opus 4 is the stronger model overall, scoring 42.9 to 36.8 on the Noometry Index.

Last verified . 12 shared benchmarks.

Claude Opus 4 Anthropic

42.9

Rank #93 Confirmed

Granite 4.1 8b IBM

36.8

Rank #202 Confirmed

Summary

  • They share 12 benchmarks with published results for both. Claude Opus 4 scores higher in 8 categories and Granite 4.1 8b in 0 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in coding, where Claude Opus 4 leads 47.8 to 29.9.
  • Granite 4.1 8b has downloadable open weights; the other is API-only.

Side by side

Claude Opus 4Granite 4.1 8b
ProviderAnthropicIBM
Noometry Index42.936.8
Released2025-05-22—
WeightsProprietaryOpen
Context window200K—
Max output32K—
Input $ / M tokens$15—
Output $ / M tokens$75—
Results tracked5613

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Category by category

Coding Claude Opus 4 leads

Claude Opus 4: 47.8 (#55), Granite 4.1 8b: 29.9 (#291)

BenchmarkClaude Opus 4Granite 4.1 8b
LMArena Coding14421313
SWE-bench Verified70.7%—
SWE-bench Verified (bash only)67.6%—
Aider Polyglot72%—
LMArena WebDev—1190
GSO6.9%—
WeirdML43.7%—
AlgoTune1.33—

Agentic & Tool Use Not comparable

Claude Opus 4: 34.5 (#39), Granite 4.1 8b: —

BenchmarkClaude Opus 4Granite 4.1 8b
Cybench38%—
DeepResearch Bench46.8%—
LMArena Search1127—
METR Time Horizons63.9%—

Reasoning Claude Opus 4 leads

Claude Opus 4: 27.4 (#104), Granite 4.1 8b: 24.6 (#142)

BenchmarkClaude Opus 4Granite 4.1 8b
LMArena Hard Prompts13991294
ARC-AGI-28.6%—
SimpleBench58.8%—
Kagi LLM Benchmark74.3%—
ARC-AGI-135.7%—
CritPt0.3%—
EnigmaEval5.6%—
DTBench81.6%—
LMCA37.4%—
Epoch Capabilities Index142.67—
ForecastBench61.1—

Math Claude Opus 4 leads

Claude Opus 4: 40.2 (#80), Granite 4.1 8b: 33.8 (#167)

BenchmarkClaude Opus 4Granite 4.1 8b
LMArena Math13911311
OTIS Mock AIME 2024-202564.4%—
Omni-MATH61.6%—
MATH Level 585%—
FrontierMath (Feb 2025 set)4.5%—
FrontierMath Tier 4 (v1)4.2%—

Knowledge Claude Opus 4 leads

Claude Opus 4: 43.9 (#82), Granite 4.1 8b: 35.5 (#171)

BenchmarkClaude Opus 4Granite 4.1 8b
LMArena Expert13841310
GPQA Diamond76.3%—
Humanity's Last Exam10.7%—
MMLU-Pro87.5%—
Confabulations15.9%—
Vectara Hallucination Rate12%—
GPQA (HELM)70.8%—

Multimodal Not comparable

Claude Opus 4: 30.9 (#101), Granite 4.1 8b: —

BenchmarkClaude Opus 4Granite 4.1 8b
LMArena Vision1192—
GeoBench49%—
VPCT38%—

Multilingual Claude Opus 4 leads

Claude Opus 4: 49.0 (#133), Granite 4.1 8b: 41.8 (#199)

BenchmarkClaude Opus 4Granite 4.1 8b
LMArena Non-English13621261
LMArena Chinese13861335
LMArena Russian13921238
LMArena French1370—
LMArena German1391—
LMArena Japanese1332—
LMArena Korean1318—
LMArena Spanish1388—

Instruction Following Claude Opus 4 leads

Claude Opus 4: 77.3 (#26), Granite 4.1 8b: 67.0 (#198)

BenchmarkClaude Opus 4Granite 4.1 8b
LMArena Instruction Following14061268
IFEval91.8%—

Long Context Too close to call

Claude Opus 4: 39.5 (#167), Granite 4.1 8b: 38.7 (#188)

BenchmarkClaude Opus 4Granite 4.1 8b
LMArena Longer Query14221275
Fiction.LiveBench61.1%—

Writing & Preference Claude Opus 4 leads

Claude Opus 4: 61.4 (#85), Granite 4.1 8b: 48.3 (#199)

BenchmarkClaude Opus 4Granite 4.1 8b
LMArena Text13771291
LMArena Creative Writing13861249
LMArena Multi-Turn13961269
Short-Story Creative Writing83.6%—
EQ-Bench Creative Writing1580—
WildBench85.2%—

Frequently asked questions

Is Claude Opus 4 better than Granite 4.1 8b?

Claude Opus 4 is the stronger model overall, scoring 42.9 to 36.8 on the Noometry Index.

Is Claude Opus 4 or Granite 4.1 8b better for coding?

Claude Opus 4 scores higher on coding benchmarks: 47.8 versus 29.9 in the Noometry coding category.

How many benchmarks do Claude Opus 4 and Granite 4.1 8b share?

12 benchmarks have published results for both models. Claude Opus 4 has 56 scored results on Noometry and Granite 4.1 8b has 13.

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