Noometry

Model comparison

Claude Sonnet 5.5 vs Granite 4.0 H Small

Claude Sonnet 5.5 is the stronger model overall, scoring 61.9 to 36.5 on the Noometry Index.

Last verified . 12 shared benchmarks.

Claude Sonnet 5.5 Anthropic

61.9

Rank #10 Confirmed

Granite 4.0 H Small IBM

36.5

Rank #214 Confirmed

Summary

  • They share 12 benchmarks with published results for both. Claude Sonnet 5.5 scores higher in 8 categories and Granite 4.0 H Small in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where Claude Sonnet 5.5 leads 87.9 to 31.4.
  • Granite 4.0 H Small has downloadable open weights; the other is API-only.

Side by side

Claude Sonnet 5.5Granite 4.0 H Small
ProviderAnthropicIBM
Noometry Index61.936.5
Released2026-09-28—
WeightsProprietaryOpen
Context window1M—
Max output128K—
Input $ / M tokens$2—
Output $ / M tokens$10—
Results tracked3219

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Category by category

Coding Claude Sonnet 5.5 leads

Claude Sonnet 5.5: 67.3 (#6), Granite 4.0 H Small: 36.4 (#209)

BenchmarkClaude Sonnet 5.5Granite 4.0 H Small
LMArena Coding15131249
FrontierCode52.1%—
CursorBench55.5%—
LMArena WebDev1774—
FrontierSWE61.9%—
SciCode61%—
ALE-Bench1,819—

Agentic & Tool Use Not comparable

Claude Sonnet 5.5: 45.0 (#16), Granite 4.0 H Small: —

BenchmarkClaude Sonnet 5.5Granite 4.0 H Small
APEX-Agents75.5%—

Reasoning Claude Sonnet 5.5 leads

Claude Sonnet 5.5: 54.0 (#28), Granite 4.0 H Small: 24.4 (#163)

BenchmarkClaude Sonnet 5.5Granite 4.0 H Small
LMArena Hard Prompts14951240
NYT Connections (extended)80.5%—
CritPt31.4%—
Mystery Game Puzzles65%—
Epoch Capabilities Index165.03—

Math Claude Sonnet 5.5 leads

Claude Sonnet 5.5: 87.9 (#6), Granite 4.0 H Small: 31.4 (#223)

BenchmarkClaude Sonnet 5.5Granite 4.0 H Small
LMArena Math15101247
FrontierMath (Tiers 1-3)88.8%—
FrontierMath Tier 480.5%—
OTIS Mock AIME 2024-2025100%—
ProofBench100%—
Omni-MATH—29.6%
FrontierMath Erdős2.9%—

Knowledge Claude Sonnet 5.5 leads

Claude Sonnet 5.5: 66.0 (#12), Granite 4.0 H Small: 32.0 (#215)

BenchmarkClaude Sonnet 5.5Granite 4.0 H Small
LMArena Expert15401251
GPQA Diamond95.6%—
SimpleQA Verified46.5%—
MMLU-Pro—56.9%
Vectara Hallucination Rate—5.2%
GPQA (HELM)—38.3%

Multimodal Not comparable

Claude Sonnet 5.5: 51.5 (#6), Granite 4.0 H Small: —

BenchmarkClaude Sonnet 5.5Granite 4.0 H Small
LMArena Vision1289—
Furniture Assembly75%—

Multilingual Claude Sonnet 5.5 leads

Claude Sonnet 5.5: 55.3 (#30), Granite 4.0 H Small: 38.6 (#228)

BenchmarkClaude Sonnet 5.5Granite 4.0 H Small
LMArena Non-English14521216
LMArena Chinese15221249
LMArena Russian14511201
LMArena Spanish—1258

Instruction Following Claude Sonnet 5.5 leads

Claude Sonnet 5.5: 78.3 (#11), Granite 4.0 H Small: 68.7 (#183)

BenchmarkClaude Sonnet 5.5Granite 4.0 H Small
LMArena Instruction Following14951222
IFEval—89%

Long Context Claude Sonnet 5.5 leads

Claude Sonnet 5.5: 45.9 (#28), Granite 4.0 H Small: 37.7 (#213)

BenchmarkClaude Sonnet 5.5Granite 4.0 H Small
LMArena Longer Query14981242

Writing & Preference Claude Sonnet 5.5 leads

Claude Sonnet 5.5: 66.0 (#40), Granite 4.0 H Small: 43.8 (#227)

BenchmarkClaude Sonnet 5.5Granite 4.0 H Small
LMArena Text14711241
LMArena Creative Writing14651211
LMArena Multi-Turn14741242
WildBench—73.9%

Frequently asked questions

Is Claude Sonnet 5.5 better than Granite 4.0 H Small?

Claude Sonnet 5.5 is the stronger model overall, scoring 61.9 to 36.5 on the Noometry Index.

Is Claude Sonnet 5.5 or Granite 4.0 H Small better for coding?

Claude Sonnet 5.5 scores higher on coding benchmarks: 67.3 versus 36.4 in the Noometry coding category.

How many benchmarks do Claude Sonnet 5.5 and Granite 4.0 H Small share?

12 benchmarks have published results for both models. Claude Sonnet 5.5 has 32 scored results on Noometry and Granite 4.0 H Small has 19.

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