# 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.

- Canonical page: https://noometry.com/compare/gemini-3-8-flash-vs-granite-4-2-30b
- Last updated: 2026-10-12
- Shared benchmarks: 11

## 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.

## Snapshot

| | Gemini 3.8 Flash | Granite 4.2 30b |
|---|---|---|
| Provider | Google | IBM |
| Noometry Index | 61.8 | 41.8 |
| Rank | 11 | 130 |
| Context | 1.05M | — |
| Input $/M | $0.75 | — |
| Output $/M | $3.75 | — |
| Weights | Proprietary | Open |

## Coding

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

| Benchmark | Gemini 3.8 Flash | Granite 4.2 30b |
|---|---|---|
| LMArena Coding | 1510 | 1396 |
| DeepSWE | 73.8% | — |
| FrontierCode | 41.2% | — |
| CursorBench | 39.6% | — |
| LMArena WebDev | 1584 | — |
| FrontierSWE | 19.6% | — |
| SciCode | 56.6% | — |
| WeirdML | 84.8% | — |
| ALE-Bench | 1,270 | — |

## Agentic & Tool Use

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

| Benchmark | Gemini 3.8 Flash | Granite 4.2 30b |
|---|---|---|
| APEX-Agents | 64.3% | — |
| Remote Labor Index | 5.8% | — |
| GDP.pdf | 23.4% | — |
| Vending-Bench 2 | 5,094 | — |

## Reasoning

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

| Benchmark | Gemini 3.8 Flash | Granite 4.2 30b |
|---|---|---|
| LMArena Hard Prompts | 1508 | 1374 |
| ARC-AGI-2 | 89.2% | — |
| NYT Connections (extended) | 97.4% | — |
| ARC-AGI-1 | 98.5% | — |
| CritPt | 18.3% | — |
| Chess Puzzles | 61% | — |
| Mystery Game Puzzles | 47% | — |
| DTBench | 95.7% | — |
| LMCA | 52.9% | — |
| Surface Evolver Bench | 76.9% | — |
| Epoch Capabilities Index | 156.71 | — |

## Math

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

| Benchmark | Gemini 3.8 Flash | Granite 4.2 30b |
|---|---|---|
| FrontierMath (Tiers 1-3) | 68.4% | — |
| FrontierMath Tier 4 | 22% | — |
| OTIS Mock AIME 2024-2025 | 98.9% | — |
| ProofBench | 48% | — |
| LMArena Math | 1528 | — |

## Knowledge

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

| Benchmark | Gemini 3.8 Flash | Granite 4.2 30b |
|---|---|---|
| LMArena Expert | 1524 | 1406 |
| GPQA Diamond | 95.4% | — |
| Humanity's Last Exam | 44.5% | — |
| SimpleQA Verified | 69.7% | — |

## Multimodal

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

| Benchmark | Gemini 3.8 Flash | Granite 4.2 30b |
|---|---|---|
| LMArena Vision | 1314 | — |
| Blueprint-Bench 2 | 38.6% | — |
| Furniture Assembly | 31.7% | — |

## Multilingual

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

| Benchmark | Gemini 3.8 Flash | Granite 4.2 30b |
|---|---|---|
| LMArena Non-English | 1491 | 1340 |
| LMArena Chinese | 1554 | 1414 |
| LMArena Russian | 1515 | 1343 |
| LMArena French | 1498 | — |
| LMArena German | 1493 | — |
| LMArena Japanese | 1502 | — |
| LMArena Korean | 1459 | — |
| LMArena Spanish | 1485 | — |

## Instruction Following

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

| Benchmark | Gemini 3.8 Flash | Granite 4.2 30b |
|---|---|---|
| LMArena Instruction Following | 1490 | 1347 |

## Long Context

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

| Benchmark | Gemini 3.8 Flash | Granite 4.2 30b |
|---|---|---|
| LMArena Longer Query | 1508 | 1359 |

## Writing & Preference

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

| Benchmark | Gemini 3.8 Flash | Granite 4.2 30b |
|---|---|---|
| LMArena Text | 1499 | 1361 |
| LMArena Creative Writing | 1492 | 1288 |
| LMArena Multi-Turn | 1501 | 1339 |
| EQ-Bench Creative Writing | 1748 | — |

## FAQ

### 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.