# Amazon Nova Experimental Chat 10 20 vs Qwen3-Coder 480B-A35B Instruct

> Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 41.5 to 37.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-10-20-vs-qwen3-coder-480b-a35b-instruct
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Amazon Nova Experimental Chat 10 20 scores higher in 7 categories and Qwen3-Coder 480B-A35B Instruct in 1 category; 6 gaps are clear of the uncertainty.
- The widest gap is in coding, where Amazon Nova Experimental Chat 10 20 leads 41.0 to 36.2.
- Qwen3-Coder 480B-A35B Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Amazon Nova Experimental Chat 10 20 | Qwen3-Coder 480B-A35B Instruct |
|---|---|---|
| Provider | Amazon | Alibaba (Qwen) |
| Noometry Index | 41.5 | 37.7 |
| Rank | 122 | 186 |
| Context | — | 262K |
| Input $/M | — | $1.50 |
| Output $/M | — | $7.50 |
| Weights | Proprietary | Open |

## Coding

- Amazon Nova Experimental Chat 10 20: 41.0 (#123)
- Qwen3-Coder 480B-A35B Instruct: 36.2 (#199)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Qwen3-Coder 480B-A35B Instruct |
|---|---|---|
| LMArena Coding | 1413 | 1413 |
| SWE-bench Verified (bash only) | — | 55.4% |
| LMArena WebDev | — | 1275 |
| GSO | — | 4.9% |
| WeirdML | — | 41.2% |
| ALE-Bench | — | 461.45 |
| AlgoTune | — | 1.44 |

## Agentic & Tool Use

- Amazon Nova Experimental Chat 10 20: —
- Qwen3-Coder 480B-A35B Instruct: 23.7 (#116)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Qwen3-Coder 480B-A35B Instruct |
|---|---|---|
| Terminal-Bench | — | 27.2% |

## Reasoning

- Amazon Nova Experimental Chat 10 20: 27.3 (#110)
- Qwen3-Coder 480B-A35B Instruct: 24.7 (#141)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Qwen3-Coder 480B-A35B Instruct |
|---|---|---|
| LMArena Hard Prompts | 1396 | 1372 |
| Kagi LLM Benchmark | — | 49.5% |

## Math

- Amazon Nova Experimental Chat 10 20: 36.2 (#121)
- Qwen3-Coder 480B-A35B Instruct: 34.9 (#151)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Qwen3-Coder 480B-A35B Instruct |
|---|---|---|
| LMArena Math | 1425 | 1364 |

## Knowledge

- Amazon Nova Experimental Chat 10 20: 37.8 (#142)
- Qwen3-Coder 480B-A35B Instruct: 36.4 (#159)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Qwen3-Coder 480B-A35B Instruct |
|---|---|---|
| LMArena Expert | 1385 | 1337 |

## Multilingual

- Amazon Nova Experimental Chat 10 20: 49.7 (#127)
- Qwen3-Coder 480B-A35B Instruct: 47.8 (#143)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Qwen3-Coder 480B-A35B Instruct |
|---|---|---|
| LMArena Non-English | 1372 | 1345 |
| LMArena Chinese | 1405 | 1356 |
| LMArena French | 1426 | 1394 |
| LMArena German | 1391 | 1324 |
| LMArena Japanese | 1355 | 1309 |
| LMArena Korean | 1327 | 1307 |
| LMArena Russian | 1371 | 1367 |
| LMArena Spanish | 1381 | 1360 |

## Instruction Following

- Amazon Nova Experimental Chat 10 20: 72.3 (#136)
- Qwen3-Coder 480B-A35B Instruct: 71.8 (#142)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Qwen3-Coder 480B-A35B Instruct |
|---|---|---|
| LMArena Instruction Following | 1365 | 1356 |

## Long Context

- Amazon Nova Experimental Chat 10 20: 41.7 (#128)
- Qwen3-Coder 480B-A35B Instruct: 42.0 (#126)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Qwen3-Coder 480B-A35B Instruct |
|---|---|---|
| LMArena Longer Query | 1370 | 1379 |

## Writing & Preference

- Amazon Nova Experimental Chat 10 20: 56.9 (#131)
- Qwen3-Coder 480B-A35B Instruct: 55.5 (#142)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Qwen3-Coder 480B-A35B Instruct |
|---|---|---|
| LMArena Text | 1394 | 1356 |
| LMArena Creative Writing | 1318 | 1333 |
| LMArena Multi-Turn | 1364 | 1365 |

## FAQ

### Is Amazon Nova Experimental Chat 10 20 better than Qwen3-Coder 480B-A35B Instruct?

Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 41.5 to 37.7 on the Noometry Index.

### Is Amazon Nova Experimental Chat 10 20 or Qwen3-Coder 480B-A35B Instruct better for coding?

Amazon Nova Experimental Chat 10 20 scores higher on coding benchmarks: 41.0 versus 36.2 in the Noometry coding category.

### How many benchmarks do Amazon Nova Experimental Chat 10 20 and Qwen3-Coder 480B-A35B Instruct share?

17 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 20 has 17 scored results on Noometry and Qwen3-Coder 480B-A35B Instruct has 25.