# Amazon Nova Experimental Chat 10 20 vs Gemma 3 27B

> Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 42.1 to 30.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-10-20-vs-gemma-3-27b
- 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 3 27B in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in coding, where Amazon Nova Experimental Chat 10 20 leads 41.6 to 22.5.
- Gemma 3 27B has downloadable open weights; the other is API-only.

## Snapshot

| | Amazon Nova Experimental Chat 10 20 | Gemma 3 27B |
|---|---|---|
| Provider | Amazon | Google |
| Noometry Index | 42.1 | 30.8 |
| Rank | 118 | 284 |
| Context | — | 131K |
| Input $/M | — | $0.08 |
| Output $/M | — | $0.16 |
| Weights | Proprietary | Open |

## Coding

- Amazon Nova Experimental Chat 10 20: 41.6 (#123)
- Gemma 3 27B: 22.5 (#334)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 3 27B |
|---|---|---|
| LMArena Coding | 1412 | 1322 |
| Aider Polyglot | — | 4.9% |
| SciCode | — | 21.2% |
| LiveBench Coding | — | 39.9% |

## Agentic & Tool Use

- Amazon Nova Experimental Chat 10 20: —
- Gemma 3 27B: 25.1 (#110)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 3 27B |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 29.5% |

## Reasoning

- Amazon Nova Experimental Chat 10 20: 28.4 (#106)
- Gemma 3 27B: 16.7 (#301)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 3 27B |
|---|---|---|
| LMArena Hard Prompts | 1396 | 1340 |
| Kagi LLM Benchmark | — | 40.4% |
| CritPt | — | 0% |
| Chess Puzzles | — | 0% |
| LiveBench Reasoning | — | 43.8% |
| DTBench | — | 52.5% |
| LiveBench Data Analysis | — | 51.5% |
| LMCA | — | 12.3% |
| Epoch Capabilities Index | — | 130.04 |
| LiveBench | — | 50% |

## Math

- Amazon Nova Experimental Chat 10 20: 39.0 (#119)
- Gemma 3 27B: 25.9 (#265)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 3 27B |
|---|---|---|
| LMArena Math | 1425 | 1312 |
| OTIS Mock AIME 2024-2025 | — | 22.5% |
| LiveBench Math | — | 55.4% |
| MATH Level 5 | — | 74% |

## Knowledge

- Amazon Nova Experimental Chat 10 20: 38.5 (#144)
- Gemma 3 27B: 25.5 (#261)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 3 27B |
|---|---|---|
| LMArena Expert | 1386 | 1304 |
| GPQA Diamond | — | 47.7% |
| Confabulations | — | 40.3% |
| Vectara Hallucination Rate | — | 7.4% |

## Multimodal

- Amazon Nova Experimental Chat 10 20: —
- Gemma 3 27B: 32.6 (#100)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 3 27B |
|---|---|---|
| LMArena Vision | — | 1164 |
| GeoBench | — | 52% |

## Multilingual

- Amazon Nova Experimental Chat 10 20: 49.5 (#131)
- Gemma 3 27B: 46.9 (#155)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 3 27B |
|---|---|---|
| LMArena Non-English | 1372 | 1334 |
| LMArena Chinese | 1404 | 1346 |
| LMArena French | 1425 | 1368 |
| LMArena German | 1391 | 1362 |
| LMArena Japanese | 1360 | 1287 |
| LMArena Korean | 1324 | 1308 |
| LMArena Russian | 1371 | 1349 |
| LMArena Spanish | 1382 | 1349 |

## Instruction Following

- Amazon Nova Experimental Chat 10 20: 72.1 (#141)
- Gemma 3 27B: 70.6 (#160)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 3 27B |
|---|---|---|
| LMArena Instruction Following | 1365 | 1321 |
| LiveBench Instruction Following | — | 74.9% |

## Long Context

- Amazon Nova Experimental Chat 10 20: 41.7 (#133)
- Gemma 3 27B: 27.6 (#293)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 3 27B |
|---|---|---|
| LMArena Longer Query | 1370 | 1333 |
| Fiction.LiveBench | — | 33.3% |

## Writing & Preference

- Amazon Nova Experimental Chat 10 20: 56.6 (#136)
- Gemma 3 27B: 52.5 (#168)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 3 27B |
|---|---|---|
| LMArena Text | 1394 | 1358 |
| LMArena Creative Writing | 1318 | 1346 |
| LMArena Multi-Turn | 1364 | 1345 |
| Short-Story Creative Writing | — | 79.9% |
| EQ-Bench Creative Writing | — | 1266 |
| LiveBench Language | — | 34.6% |

## FAQ

### Is Amazon Nova Experimental Chat 10 20 better than Gemma 3 27B?

Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 42.1 to 30.8 on the Noometry Index.

### Is Amazon Nova Experimental Chat 10 20 or Gemma 3 27B better for coding?

Amazon Nova Experimental Chat 10 20 scores higher on coding benchmarks: 41.6 versus 22.5 in the Noometry coding category.

### How many benchmarks do Amazon Nova Experimental Chat 10 20 and Gemma 3 27B share?

17 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 20 has 17 scored results on Noometry and Gemma 3 27B has 43.