# Amazon Nova Experimental Chat 10 20 vs Deepseek Coder v2

> Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 42.1 to 35.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-10-20-vs-deepseek-coder-v2
- Last updated: 2026-10-11
- 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 Deepseek Coder v2 in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Amazon Nova Experimental Chat 10 20 leads 56.6 to 38.2.
- Deepseek Coder v2 has downloadable open weights; the other is API-only.

## Snapshot

| | Amazon Nova Experimental Chat 10 20 | Deepseek Coder v2 |
|---|---|---|
| Provider | Amazon | DeepSeek |
| Noometry Index | 42.1 | 35.9 |
| Rank | 118 | 220 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Amazon Nova Experimental Chat 10 20: 41.6 (#123)
- Deepseek Coder v2: 38.1 (#183)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Deepseek Coder v2 |
|---|---|---|
| LMArena Coding | 1412 | 1251 |
| BigCodeBench Instruct | — | 48.2% |
| BigCodeBench Complete | — | 59.7% |
| HumanEval+ | — | 82.3% |
| MBPP+ | — | 75.1% |

## Reasoning

- Amazon Nova Experimental Chat 10 20: 28.4 (#106)
- Deepseek Coder v2: 23.6 (#176)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Deepseek Coder v2 |
|---|---|---|
| LMArena Hard Prompts | 1396 | 1207 |
| WinoGrande | — | 83.7% |

## Math

- Amazon Nova Experimental Chat 10 20: 39.0 (#119)
- Deepseek Coder v2: 34.9 (#190)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Deepseek Coder v2 |
|---|---|---|
| LMArena Math | 1425 | 1241 |
| GSM8K | — | 94.5% |

## Knowledge

- Amazon Nova Experimental Chat 10 20: 38.5 (#144)
- Deepseek Coder v2: 32.3 (#212)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Deepseek Coder v2 |
|---|---|---|
| LMArena Expert | 1386 | 1181 |
| ARC (AI2) Challenge | — | 64.3% |

## Multilingual

- Amazon Nova Experimental Chat 10 20: 49.5 (#131)
- Deepseek Coder v2: 36.3 (#240)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Deepseek Coder v2 |
|---|---|---|
| LMArena Non-English | 1372 | 1182 |
| LMArena Chinese | 1404 | 1201 |
| LMArena French | 1425 | 1185 |
| LMArena German | 1391 | 1164 |
| LMArena Japanese | 1360 | 1126 |
| LMArena Korean | 1324 | 1104 |
| LMArena Russian | 1371 | 1188 |
| LMArena Spanish | 1382 | 1153 |

## Instruction Following

- Amazon Nova Experimental Chat 10 20: 72.1 (#141)
- Deepseek Coder v2: 61.7 (#242)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Deepseek Coder v2 |
|---|---|---|
| LMArena Instruction Following | 1365 | 1180 |

## Long Context

- Amazon Nova Experimental Chat 10 20: 41.7 (#133)
- Deepseek Coder v2: 37.0 (#224)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Deepseek Coder v2 |
|---|---|---|
| LMArena Longer Query | 1370 | 1219 |

## Writing & Preference

- Amazon Nova Experimental Chat 10 20: 56.6 (#136)
- Deepseek Coder v2: 38.2 (#253)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Deepseek Coder v2 |
|---|---|---|
| LMArena Text | 1394 | 1191 |
| LMArena Creative Writing | 1318 | 1120 |
| LMArena Multi-Turn | 1364 | 1177 |

## FAQ

### Is Amazon Nova Experimental Chat 10 20 better than Deepseek Coder v2?

Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 42.1 to 35.9 on the Noometry Index.

### Is Amazon Nova Experimental Chat 10 20 or Deepseek Coder v2 better for coding?

Amazon Nova Experimental Chat 10 20 scores higher on coding benchmarks: 41.6 versus 38.1 in the Noometry coding category.

### How many benchmarks do Amazon Nova Experimental Chat 10 20 and Deepseek Coder v2 share?

17 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 20 has 17 scored results on Noometry and Deepseek Coder v2 has 24.