# Gemini 2.5 Pro vs Granite 4.2 8B

> Gemini 2.5 Pro is the stronger model overall, scoring 44.9 to 40.0 on the Noometry Index. Granite 4.2 8B costs 32× less per token, which makes it the better buy when Gemini 2.5 Pro's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gemini-2-5-pro-vs-granite-4-2-8b
- Last updated: 2026-10-10
- Shared benchmarks: 11

## Summary

- They share 11 benchmarks with published results for both. Gemini 2.5 Pro scores higher in 7 categories and Granite 4.2 8B in 0 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in long context, where Gemini 2.5 Pro leads 59.7 to 40.2.
- Granite 4.2 8B is cheaper at $0.06 / $0.25 per million input/output tokens, against $1.25 / $10 for Gemini 2.5 Pro.
- Gemini 2.5 Pro accepts more context: 1.05M tokens versus 131K.
- Granite 4.2 8B has downloadable open weights; the other is API-only.

## Snapshot

| | Gemini 2.5 Pro | Granite 4.2 8B |
|---|---|---|
| Provider | Google | IBM |
| Noometry Index | 44.9 | 40.0 |
| Rank | 67 | 143 |
| Context | 1.05M | 131K |
| Input $/M | $1.25 | $0.06 |
| Output $/M | $10 | $0.25 |
| Weights | Proprietary | Open |

## Coding

- Gemini 2.5 Pro: 42.8 (#86)
- Granite 4.2 8B: 39.9 (#138)

| Benchmark | Gemini 2.5 Pro | Granite 4.2 8B |
|---|---|---|
| LMArena Coding | 1452 | 1379 |
| SWE-bench Verified | 57.6% | — |
| SWE-bench Verified (bash only) | 53.6% | — |
| Aider Polyglot | 83.1% | — |
| LMArena WebDev | 1227 | — |
| SciCode | 42.8% | — |
| GSO | 3.9% | — |
| WeirdML | 54% | — |
| LiveBench Coding | 85.9% | — |
| CadEval | 64% | — |
| ALE-Bench | 785.52 | — |
| AlgoTune | 1.51 | — |

## Agentic & Tool Use

- Gemini 2.5 Pro: 29.1 (#81)
- Granite 4.2 8B: —

| Benchmark | Gemini 2.5 Pro | Granite 4.2 8B |
|---|---|---|
| Terminal-Bench | 32.6% | — |
| GDPval | 23.3% | — |
| Remote Labor Index | 0.8% | — |
| TheAgentCompany | 30.3% | — |
| τ²-bench Banking | 13.7% | — |
| DeepResearch Bench | 42.8% | — |
| BALROG | 43.3% | — |
| LMArena Search | 1142 | — |
| METR Time Horizons | 55.4% | — |
| Vending-Bench 2 | 573.64 | — |

## Reasoning

- Gemini 2.5 Pro: 28.8 (#85)
- Granite 4.2 8B: 25.5 (#130)

| Benchmark | Gemini 2.5 Pro | Granite 4.2 8B |
|---|---|---|
| LMArena Hard Prompts | 1455 | 1327 |
| ARC-AGI-2 | 4.9% | — |
| SimpleBench | 62.4% | — |
| Kagi LLM Benchmark | 70.3% | — |
| ARC-AGI-1 | 41% | — |
| CritPt | 2% | — |
| Chess Puzzles | 20% | — |
| EnigmaEval | 5.6% | — |
| LiveBench Reasoning | 89.8% | — |
| DTBench | 82.4% | — |
| LiveBench Data Analysis | 79.9% | — |
| LMCA | 34.8% | — |
| Epoch Capabilities Index | 145.32 | — |
| ForecastBench | 61.3 | — |
| LiveBench | 82.3% | — |

## Math

- Gemini 2.5 Pro: 31.9 (#191)
- Granite 4.2 8B: —

| Benchmark | Gemini 2.5 Pro | Granite 4.2 8B |
|---|---|---|
| FrontierMath (Tiers 1-3) | 24.6% | — |
| FrontierMath Tier 4 | 0% | — |
| OTIS Mock AIME 2024-2025 | 84.7% | — |
| Omni-MATH | 41.6% | — |
| LiveBench Math | 90.2% | — |
| LMArena Math | 1450 | — |
| MATH Level 5 | 95.9% | — |
| FrontierMath (Feb 2025 set) | 14.1% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |

## Knowledge

- Gemini 2.5 Pro: 55.8 (#41)
- Granite 4.2 8B: 37.7 (#144)

| Benchmark | Gemini 2.5 Pro | Granite 4.2 8B |
|---|---|---|
| LMArena Expert | 1452 | 1380 |
| GPQA Diamond | 85.3% | — |
| Humanity's Last Exam | 21.6% | — |
| MMLU-Pro | 86.3% | — |
| Confabulations | 10.6% | — |
| Vectara Hallucination Rate | 7% | — |
| GPQA (HELM) | 74.9% | — |

## Multimodal

- Gemini 2.5 Pro: 44.5 (#16)
- Granite 4.2 8B: —

| Benchmark | Gemini 2.5 Pro | Granite 4.2 8B |
|---|---|---|
| LMArena Vision | 1263 | — |
| GeoBench | 86% | — |
| VPCT | 48% | — |
| LMArena Document | 1421 | — |
| SpatialViz-Bench | 44.7% | — |

## Multilingual

- Gemini 2.5 Pro: 55.5 (#30)
- Granite 4.2 8B: 44.5 (#173)

| Benchmark | Gemini 2.5 Pro | Granite 4.2 8B |
|---|---|---|
| LMArena Non-English | 1452 | 1299 |
| LMArena Chinese | 1507 | 1361 |
| LMArena Russian | 1460 | 1283 |
| LMArena French | 1473 | — |
| LMArena German | 1487 | — |
| LMArena Japanese | 1462 | — |
| LMArena Korean | 1435 | — |
| LMArena Spanish | 1473 | — |

## Instruction Following

- Gemini 2.5 Pro: 75.2 (#71)
- Granite 4.2 8B: 68.7 (#183)

| Benchmark | Gemini 2.5 Pro | Granite 4.2 8B |
|---|---|---|
| LMArena Instruction Following | 1436 | 1298 |
| LiveBench Instruction Following | 80.6% | — |
| IFEval | 84% | — |

## Long Context

- Gemini 2.5 Pro: 59.7 (#5)
- Granite 4.2 8B: 40.2 (#154)

| Benchmark | Gemini 2.5 Pro | Granite 4.2 8B |
|---|---|---|
| LMArena Longer Query | 1449 | 1323 |
| Fiction.LiveBench | 91.7% | — |

## Writing & Preference

- Gemini 2.5 Pro: 63.9 (#60)
- Granite 4.2 8B: 49.8 (#183)

| Benchmark | Gemini 2.5 Pro | Granite 4.2 8B |
|---|---|---|
| LMArena Text | 1458 | 1319 |
| LMArena Creative Writing | 1453 | 1238 |
| LMArena Multi-Turn | 1453 | 1299 |
| Short-Story Creative Writing | 83.8% | — |
| EQ-Bench Creative Writing | 1421 | — |
| WildBench | 85.7% | — |
| LiveBench Language | 67.8% | — |

## FAQ

### Is Gemini 2.5 Pro better than Granite 4.2 8B?

Gemini 2.5 Pro is the stronger model overall, scoring 44.9 to 40.0 on the Noometry Index. Granite 4.2 8B costs 32× less per token, which makes it the better buy when Gemini 2.5 Pro's lead doesn't matter for your workload.

### Which is cheaper, Gemini 2.5 Pro or Granite 4.2 8B?

Granite 4.2 8B is cheaper. It lists at $0.06 per million input tokens and $0.25 per million output tokens; Gemini 2.5 Pro lists at $1.25 and $10.

### Is Gemini 2.5 Pro or Granite 4.2 8B better for coding?

Gemini 2.5 Pro scores higher on coding benchmarks: 42.8 versus 39.9 in the Noometry coding category.

### Which has the bigger context window?

Gemini 2.5 Pro does, with 1.05M tokens against 131K.

### How many benchmarks do Gemini 2.5 Pro and Granite 4.2 8B share?

11 benchmarks have published results for both models. Gemini 2.5 Pro has 78 scored results on Noometry and Granite 4.2 8B has 11.