# Amazon Nova Experimental Chat 10 20 vs Gemma 2 27B

> Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 42.1 to 29.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-10-20-vs-gemma-2-27b
- Last updated: 2026-10-12
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Amazon Nova Experimental Chat 10 20 scores higher in 8 categories and Gemma 2 27B in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Amazon Nova Experimental Chat 10 20 leads 39.0 to 10.7.
- Gemma 2 27B has downloadable open weights; the other is API-only.

## Snapshot

| | Amazon Nova Experimental Chat 10 20 | Gemma 2 27B |
|---|---|---|
| Provider | Amazon | Google |
| Noometry Index | 42.1 | 29.4 |
| Rank | 118 | 312 |
| Context | — | 8K |
| Input $/M | — | $0.65 |
| Output $/M | — | $0.65 |
| Weights | Proprietary | Open |

## Coding

- Amazon Nova Experimental Chat 10 20: 41.6 (#123)
- Gemma 2 27B: 34.1 (#246)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 2 27B |
|---|---|---|
| LMArena Coding | 1412 | 1211 |
| BigCodeBench Instruct | — | 42.8% |
| LiveBench Coding | — | 36% |
| BigCodeBench Complete | — | 52.5% |

## Reasoning

- Amazon Nova Experimental Chat 10 20: 28.4 (#106)
- Gemma 2 27B: 15.3 (#315)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 2 27B |
|---|---|---|
| LMArena Hard Prompts | 1396 | 1198 |
| LiveBench Reasoning | — | 28.1% |
| DTBench | — | 48% |
| LiveBench Data Analysis | — | 47.9% |
| LMCA | — | 7.1% |
| Epoch Capabilities Index | — | 122.08 |
| LiveBench | — | 38.2% |

## Math

- Amazon Nova Experimental Chat 10 20: 39.0 (#119)
- Gemma 2 27B: 10.7 (#311)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 2 27B |
|---|---|---|
| LMArena Math | 1425 | 1212 |
| OTIS Mock AIME 2024-2025 | — | 1.4% |
| LiveBench Math | — | 26.5% |
| MATH Level 5 | — | 27.9% |

## Knowledge

- Amazon Nova Experimental Chat 10 20: 38.5 (#144)
- Gemma 2 27B: 19.0 (#280)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 2 27B |
|---|---|---|
| LMArena Expert | 1386 | 1172 |
| GPQA Diamond | — | 36.5% |
| Confabulations | — | 27.1% |
| MMLU | — | 75.7% |

## Multilingual

- Amazon Nova Experimental Chat 10 20: 49.5 (#131)
- Gemma 2 27B: 38.6 (#226)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 2 27B |
|---|---|---|
| LMArena Non-English | 1372 | 1217 |
| LMArena Chinese | 1404 | 1221 |
| LMArena French | 1425 | 1247 |
| LMArena German | 1391 | 1209 |
| LMArena Japanese | 1360 | 1175 |
| LMArena Korean | 1324 | 1174 |
| LMArena Russian | 1371 | 1234 |
| LMArena Spanish | 1382 | 1228 |

## Instruction Following

- Amazon Nova Experimental Chat 10 20: 72.1 (#141)
- Gemma 2 27B: 60.5 (#249)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 2 27B |
|---|---|---|
| LMArena Instruction Following | 1365 | 1206 |
| LiveBench Instruction Following | — | 58.1% |

## Long Context

- Amazon Nova Experimental Chat 10 20: 41.7 (#133)
- Gemma 2 27B: 37.3 (#218)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 2 27B |
|---|---|---|
| LMArena Longer Query | 1370 | 1231 |

## Writing & Preference

- Amazon Nova Experimental Chat 10 20: 56.6 (#136)
- Gemma 2 27B: 44.2 (#225)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 2 27B |
|---|---|---|
| LMArena Text | 1394 | 1231 |
| LMArena Creative Writing | 1318 | 1241 |
| LMArena Multi-Turn | 1364 | 1224 |
| LiveBench Language | — | 32.6% |

## FAQ

### Is Amazon Nova Experimental Chat 10 20 better than Gemma 2 27B?

Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 42.1 to 29.4 on the Noometry Index.

### Is Amazon Nova Experimental Chat 10 20 or Gemma 2 27B better for coding?

Amazon Nova Experimental Chat 10 20 scores higher on coding benchmarks: 41.6 versus 34.1 in the Noometry coding category.

### How many benchmarks do Amazon Nova Experimental Chat 10 20 and Gemma 2 27B share?

17 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 20 has 17 scored results on Noometry and Gemma 2 27B has 34.