Model comparison

Gemini 3.8 Flash vs Granite 4.2 30b

Gemini 3.8 Flash is the stronger model overall, scoring 61.8 to 41.8 on the Noometry Index.

Last verified . 11 shared benchmarks.

Gemini 3.8 Flash Google

61.8

Rank #11 Confirmed

Granite 4.2 30b IBM

41.8

Rank #130 Confirmed

Summary

  • They share 11 benchmarks with published results for both. Gemini 3.8 Flash 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 Gemini 3.8 Flash leads 76.9 to 27.8.
  • Granite 4.2 30b has downloadable open weights; the other is API-only.

Side by side

Gemini 3.8 Flash and Granite 4.2 30b specifications
Gemini 3.8 FlashGranite 4.2 30b
ProviderGoogleIBM
Noometry Index61.841.8
Released2026-09-02—
WeightsProprietaryOpen
Context window1.05M—
Max output66K—
Input $ / M tokens$0.75—
Output $ / M tokens$3.75—
Results tracked5011

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Category by category

Coding Gemini 3.8 Flash leads

Gemini 3.8 Flash: 59.2 (#15), Granite 4.2 30b: 41.0 (#126)

Coding benchmarks
BenchmarkGemini 3.8 FlashGranite 4.2 30b
LMArena Coding15101396
DeepSWE73.8%—
FrontierCode41.2%—
CursorBench39.6%—
LMArena WebDev1584—
FrontierSWE19.6%—
SciCode56.6%—
WeirdML84.8%—
ALE-Bench1,270—

Agentic & Tool Use Not comparable

Gemini 3.8 Flash: 41.8 (#21), Granite 4.2 30b: —

Agentic & Tool Use benchmarks
BenchmarkGemini 3.8 FlashGranite 4.2 30b
APEX-Agents64.3%—
Remote Labor Index5.8%—
GDP.pdf23.4%—
Vending-Bench 25,094—

Reasoning Gemini 3.8 Flash leads

Gemini 3.8 Flash: 76.9 (#5), Granite 4.2 30b: 27.8 (#112)

Reasoning benchmarks
BenchmarkGemini 3.8 FlashGranite 4.2 30b
LMArena Hard Prompts15081374
ARC-AGI-289.2%—
NYT Connections (extended)97.4%—
ARC-AGI-198.5%—
CritPt18.3%—
Chess Puzzles61%—
Mystery Game Puzzles47%—
DTBench95.7%—
LMCA52.9%—
Surface Evolver Bench76.9%—
Epoch Capabilities Index156.71—

Math Not comparable

Gemini 3.8 Flash: 65.3 (#28), Granite 4.2 30b: —

Math benchmarks
BenchmarkGemini 3.8 FlashGranite 4.2 30b
FrontierMath (Tiers 1-3)68.4%—
FrontierMath Tier 422%—
OTIS Mock AIME 2024-202598.9%—
ProofBench48%—
LMArena Math1528—

Knowledge Gemini 3.8 Flash leads

Gemini 3.8 Flash: 74.8 (#2), Granite 4.2 30b: 39.1 (#138)

Knowledge benchmarks
BenchmarkGemini 3.8 FlashGranite 4.2 30b
LMArena Expert15241406
GPQA Diamond95.4%—
Humanity's Last Exam44.5%—
SimpleQA Verified69.7%—

Multimodal Not comparable

Gemini 3.8 Flash: 40.7 (#45), Granite 4.2 30b: —

Multimodal benchmarks
BenchmarkGemini 3.8 FlashGranite 4.2 30b
LMArena Vision1314—
Blueprint-Bench 238.6%—
Furniture Assembly31.7%—

Multilingual Gemini 3.8 Flash leads

Gemini 3.8 Flash: 58.0 (#5), Granite 4.2 30b: 47.3 (#151)

Multilingual benchmarks
BenchmarkGemini 3.8 FlashGranite 4.2 30b
LMArena Non-English14911340
LMArena Chinese15541414
LMArena Russian15151343
LMArena French1498—
LMArena German1493—
LMArena Japanese1502—
LMArena Korean1459—
LMArena Spanish1485—

Instruction Following Gemini 3.8 Flash leads

Gemini 3.8 Flash: 78.0 (#13), Granite 4.2 30b: 71.2 (#155)

Instruction Following benchmarks
BenchmarkGemini 3.8 FlashGranite 4.2 30b
LMArena Instruction Following14901347

Long Context Gemini 3.8 Flash leads

Gemini 3.8 Flash: 46.3 (#24), Granite 4.2 30b: 41.4 (#140)

Long Context benchmarks
BenchmarkGemini 3.8 FlashGranite 4.2 30b
LMArena Longer Query15081359

Writing & Preference Gemini 3.8 Flash leads

Gemini 3.8 Flash: 72.2 (#15), Granite 4.2 30b: 53.8 (#156)

Writing & Preference benchmarks
BenchmarkGemini 3.8 FlashGranite 4.2 30b
LMArena Text14991361
LMArena Creative Writing14921288
LMArena Multi-Turn15011339
EQ-Bench Creative Writing1748—

Frequently asked questions

Is Gemini 3.8 Flash better than Granite 4.2 30b?

Gemini 3.8 Flash is the stronger model overall, scoring 61.8 to 41.8 on the Noometry Index.

Is Gemini 3.8 Flash or Granite 4.2 30b better for coding?

Gemini 3.8 Flash scores higher on coding benchmarks: 59.2 versus 41.0 in the Noometry coding category.

How many benchmarks do Gemini 3.8 Flash and Granite 4.2 30b share?

11 benchmarks have published results for both models. Gemini 3.8 Flash has 50 scored results on Noometry and Granite 4.2 30b has 11.

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