Noometry

Model comparison

Claude Sonnet 5 vs Granite 4.2 30b

Claude Sonnet 5 is the stronger model overall, scoring 54.6 to 41.8 on the Noometry Index.

Last verified . 11 shared benchmarks.

Claude Sonnet 5 Anthropic

54.6

Rank #29 Confirmed

Granite 4.2 30b IBM

41.8

Rank #130 Confirmed

Summary

  • They share 11 benchmarks with published results for both. Claude Sonnet 5 scores higher in 7 categories and Granite 4.2 30b in 0 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Claude Sonnet 5 leads 49.1 to 27.8.
  • Granite 4.2 30b has downloadable open weights; the other is API-only.

Side by side

Claude Sonnet 5Granite 4.2 30b
ProviderAnthropicIBM
Noometry Index54.641.8
Released2026-06-29—
WeightsProprietaryOpen
Context window1M—
Max output128K—
Input $ / M tokens$2—
Output $ / M tokens$10—
Results tracked5111

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Category by category

Coding Claude Sonnet 5 leads

Claude Sonnet 5: 55.5 (#26), Granite 4.2 30b: 41.0 (#126)

BenchmarkClaude Sonnet 5Granite 4.2 30b
LMArena Coding14831396
DeepSWE53.8%—
FrontierCode42.7%—
CursorBench34.1%—
LMArena WebDev1541—
SciCode54.3%—
GSO37.3%—
WeirdML68.8%—
ALE-Bench1,463—

Agentic & Tool Use Not comparable

Claude Sonnet 5: 42.8 (#18), Granite 4.2 30b: —

BenchmarkClaude Sonnet 5Granite 4.2 30b
APEX-Agents54.5%—
GBAEval65.3%—
LMArena Search1194—
Vending-Bench 26,378—

Reasoning Claude Sonnet 5 leads

Claude Sonnet 5: 49.1 (#39), Granite 4.2 30b: 27.8 (#112)

BenchmarkClaude Sonnet 5Granite 4.2 30b
LMArena Hard Prompts14611374
SimpleBench60.6%—
NYT Connections (extended)75.1%—
CritPt16.9%—
Chess Puzzles35%—
Mystery Game Puzzles35%—
DTBench92.5%—
LMCA50%—
Surface Evolver Bench60%—
Bench to the Future 30.14—
Epoch Capabilities Index156.21—
ForecastBench61.1—

Math Not comparable

Claude Sonnet 5: 66.2 (#27), Granite 4.2 30b: —

BenchmarkClaude Sonnet 5Granite 4.2 30b
FrontierMath (Tiers 1-3)65.6%—
FrontierMath Tier 429.3%—
OTIS Mock AIME 2024-202594.7%—
ProofBench77%—
LMArena Math1467—

Knowledge Claude Sonnet 5 leads

Claude Sonnet 5: 55.6 (#47), Granite 4.2 30b: 39.1 (#138)

BenchmarkClaude Sonnet 5Granite 4.2 30b
LMArena Expert14901406
GPQA Diamond90.5%—
SimpleQA Verified33.7%—

Multimodal Not comparable

Claude Sonnet 5: 42.4 (#31), Granite 4.2 30b: —

BenchmarkClaude Sonnet 5Granite 4.2 30b
LMArena Vision1274—
Blueprint-Bench 224.9%—
LMArena Document1466—

Multilingual Claude Sonnet 5 leads

Claude Sonnet 5: 53.8 (#55), Granite 4.2 30b: 47.3 (#151)

BenchmarkClaude Sonnet 5Granite 4.2 30b
LMArena Non-English14311340
LMArena Chinese14771414
LMArena Russian14511343
LMArena French1460—
LMArena German1440—
LMArena Japanese1422—
LMArena Korean1411—
LMArena Spanish1437—

Instruction Following Claude Sonnet 5 leads

Claude Sonnet 5: 76.3 (#41), Granite 4.2 30b: 71.2 (#155)

BenchmarkClaude Sonnet 5Granite 4.2 30b
LMArena Instruction Following14521347

Long Context Claude Sonnet 5 leads

Claude Sonnet 5: 44.8 (#55), Granite 4.2 30b: 41.4 (#140)

BenchmarkClaude Sonnet 5Granite 4.2 30b
LMArena Longer Query14631359

Writing & Preference Claude Sonnet 5 leads

Claude Sonnet 5: 69.2 (#25), Granite 4.2 30b: 53.8 (#156)

BenchmarkClaude Sonnet 5Granite 4.2 30b
LMArena Text14421361
LMArena Creative Writing14161288
LMArena Multi-Turn14541339
EQ-Bench Creative Writing1794—
EQ-Bench 41236—

Frequently asked questions

Is Claude Sonnet 5 better than Granite 4.2 30b?

Claude Sonnet 5 is the stronger model overall, scoring 54.6 to 41.8 on the Noometry Index.

Is Claude Sonnet 5 or Granite 4.2 30b better for coding?

Claude Sonnet 5 scores higher on coding benchmarks: 55.5 versus 41.0 in the Noometry coding category.

How many benchmarks do Claude Sonnet 5 and Granite 4.2 30b share?

11 benchmarks have published results for both models. Claude Sonnet 5 has 51 scored results on Noometry and Granite 4.2 30b has 11.

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