# Amazon Nova Pro vs Gemma 3 12B

> Gemma 3 12B is the stronger model overall, scoring 32.1 to 31.0 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-pro-vs-gemma-3-12b
- Last updated: 2026-10-10
- Shared benchmarks: 15

## Summary

- They share 15 benchmarks with published results for both. Amazon Nova Pro scores higher in 4 categories and Gemma 3 12B in 5 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in agentic & tool use, where Gemma 3 12B leads 25.5 to 16.7.
- The biggest single-benchmark swing is Berkeley Function Calling Leaderboard: 25% for Amazon Nova Pro and 30.4% for Gemma 3 12B.
- Gemma 3 12B is cheaper at $0.05 / $0.15 per million input/output tokens, against $0.80 / $3.20 for Amazon Nova Pro.
- Amazon Nova Pro accepts more context: 300K tokens versus 131K.
- Gemma 3 12B has downloadable open weights; the other is API-only.

## Snapshot

| | Amazon Nova Pro | Gemma 3 12B |
|---|---|---|
| Provider | Amazon | Google |
| Noometry Index | 31.0 | 32.1 |
| Rank | 281 | 262 |
| Context | 300K | 131K |
| Input $/M | $0.80 | $0.05 |
| Output $/M | $3.20 | $0.15 |
| Weights | Proprietary | Open |

## Coding

- Amazon Nova Pro: 35.1 (#229)
- Gemma 3 12B: 31.7 (#280)

| Benchmark | Amazon Nova Pro | Gemma 3 12B |
|---|---|---|
| LMArena Coding | 1270 | 1281 |
| SciCode | — | 17.4% |
| LiveBench Coding | 38.1% | — |

## Agentic & Tool Use

- Amazon Nova Pro: 16.7 (#147)
- Gemma 3 12B: 25.5 (#108)

| Benchmark | Amazon Nova Pro | Gemma 3 12B |
|---|---|---|
| Berkeley Function Calling Leaderboard | 25% | 30.4% |
| TheAgentCompany | 1.7% | — |

## Reasoning

- Amazon Nova Pro: 20.0 (#243)
- Gemma 3 12B: 15.7 (#313)

| Benchmark | Amazon Nova Pro | Gemma 3 12B |
|---|---|---|
| LMArena Hard Prompts | 1246 | 1309 |
| Epoch Capabilities Index | 123.8 | 123.5 |
| CritPt | — | 0% |
| Chess Puzzles | — | 0% |
| LiveBench Reasoning | 32.6% | — |
| DTBench | — | 48.8% |
| LiveBench Data Analysis | 48.3% | — |
| LMCA | — | 4.5% |
| LiveBench | 43.5% | — |

## Math

- Amazon Nova Pro: 28.5 (#243)
- Gemma 3 12B: 22.3 (#279)

| Benchmark | Amazon Nova Pro | Gemma 3 12B |
|---|---|---|
| LMArena Math | 1252 | 1307 |
| OTIS Mock AIME 2024-2025 | — | 16.7% |
| Omni-MATH | 24.2% | — |
| LiveBench Math | 38% | — |

## Knowledge

- Amazon Nova Pro: 27.4 (#250)
- Gemma 3 12B: 26.5 (#257)

| Benchmark | Amazon Nova Pro | Gemma 3 12B |
|---|---|---|
| Vectara Hallucination Rate | 5.1% | 4.4% |
| LMArena Expert | 1211 | 1248 |
| GPQA Diamond | — | 39.5% |
| Humanity's Last Exam | 4.4% | — |
| MMLU-Pro | 67.3% | — |
| Confabulations | 30.1% | — |
| GPQA (HELM) | 44.6% | — |
| MMLU | 82% | — |

## Multimodal

- Amazon Nova Pro: 25.0 (#126)
- Gemma 3 12B: —

| Benchmark | Amazon Nova Pro | Gemma 3 12B |
|---|---|---|
| LMArena Vision | 980 | — |
| MindCube | — | 46.7% |

## Multilingual

- Amazon Nova Pro: 39.7 (#223)
- Gemma 3 12B: 45.7 (#165)

| Benchmark | Amazon Nova Pro | Gemma 3 12B |
|---|---|---|
| LMArena Non-English | 1234 | 1318 |
| LMArena German | 1243 | 1370 |
| LMArena Russian | 1240 | 1335 |
| LMArena Chinese | 1244 | — |
| LMArena French | 1271 | — |
| LMArena Japanese | 1200 | — |
| LMArena Korean | 1203 | — |
| LMArena Spanish | 1182 | — |

## Instruction Following

- Amazon Nova Pro: 64.9 (#226)
- Gemma 3 12B: 68.6 (#186)

| Benchmark | Amazon Nova Pro | Gemma 3 12B |
|---|---|---|
| LMArena Instruction Following | 1235 | 1299 |
| LiveBench Instruction Following | 67.1% | — |
| IFEval | 81.5% | — |

## Long Context

- Amazon Nova Pro: 38.1 (#205)
- Gemma 3 12B: 40.0 (#162)

| Benchmark | Amazon Nova Pro | Gemma 3 12B |
|---|---|---|
| LMArena Longer Query | 1255 | 1317 |

## Writing & Preference

- Amazon Nova Pro: 43.9 (#226)
- Gemma 3 12B: 47.5 (#209)

| Benchmark | Amazon Nova Pro | Gemma 3 12B |
|---|---|---|
| LMArena Text | 1259 | 1334 |
| LMArena Creative Writing | 1212 | 1331 |
| LMArena Multi-Turn | 1246 | 1334 |
| Short-Story Creative Writing | 60.5% | — |
| EQ-Bench Creative Writing | — | 1126 |
| WildBench | 77.7% | — |
| LiveBench Language | 37% | — |

## FAQ

### Is Amazon Nova Pro better than Gemma 3 12B?

Gemma 3 12B is the stronger model overall, scoring 32.1 to 31.0 on the Noometry Index.

### Which is cheaper, Amazon Nova Pro or Gemma 3 12B?

Gemma 3 12B is cheaper. It lists at $0.05 per million input tokens and $0.15 per million output tokens; Amazon Nova Pro lists at $0.80 and $3.20.

### Is Amazon Nova Pro or Gemma 3 12B better for coding?

Amazon Nova Pro scores higher on coding benchmarks: 35.1 versus 31.7 in the Noometry coding category.

### Which has the bigger context window?

Amazon Nova Pro does, with 300K tokens against 131K.

### How many benchmarks do Amazon Nova Pro and Gemma 3 12B share?

15 benchmarks have published results for both models. Amazon Nova Pro has 38 scored results on Noometry and Gemma 3 12B has 24.