# Amazon Nova Experimental Chat 10 09 vs Deepseek Coder v2

> Amazon Nova Experimental Chat 10 09 is the stronger model overall, scoring 41.9 to 35.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-10-09-vs-deepseek-coder-v2
- Last updated: 2026-10-10
- Shared benchmarks: 9

## Summary

- They share 9 benchmarks with published results for both. Amazon Nova Experimental Chat 10 09 scores higher in 6 categories and Deepseek Coder v2 in 0 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Amazon Nova Experimental Chat 10 09 leads 54.7 to 38.2.
- Deepseek Coder v2 has downloadable open weights; the other is API-only.

## Snapshot

| | Amazon Nova Experimental Chat 10 09 | Deepseek Coder v2 |
|---|---|---|
| Provider | Amazon | DeepSeek |
| Noometry Index | 41.9 | 35.9 |
| Rank | 126 | 220 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Amazon Nova Experimental Chat 10 09: 40.2 (#145)
- Deepseek Coder v2: 38.1 (#183)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Deepseek Coder v2 |
|---|---|---|
| LMArena Coding | 1370 | 1251 |
| BigCodeBench Instruct | — | 48.2% |
| BigCodeBench Complete | — | 59.7% |
| HumanEval+ | — | 82.3% |
| MBPP+ | — | 75.1% |

## Reasoning

- Amazon Nova Experimental Chat 10 09: 27.3 (#120)
- Deepseek Coder v2: 23.6 (#176)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Deepseek Coder v2 |
|---|---|---|
| LMArena Hard Prompts | 1356 | 1207 |
| WinoGrande | — | 83.7% |

## Math

- Amazon Nova Experimental Chat 10 09: —
- Deepseek Coder v2: 34.9 (#190)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Deepseek Coder v2 |
|---|---|---|
| LMArena Math | — | 1241 |
| GSM8K | — | 94.5% |

## Knowledge

- Amazon Nova Experimental Chat 10 09: —
- Deepseek Coder v2: 32.3 (#212)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Deepseek Coder v2 |
|---|---|---|
| LMArena Expert | — | 1181 |
| ARC (AI2) Challenge | — | 64.3% |

## Multilingual

- Amazon Nova Experimental Chat 10 09: 47.3 (#150)
- Deepseek Coder v2: 36.3 (#240)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Deepseek Coder v2 |
|---|---|---|
| LMArena Non-English | 1340 | 1182 |
| LMArena Chinese | 1341 | 1201 |
| LMArena French | — | 1185 |
| LMArena German | — | 1164 |
| LMArena Japanese | — | 1126 |
| LMArena Korean | — | 1104 |
| LMArena Russian | — | 1188 |
| LMArena Spanish | — | 1153 |

## Instruction Following

- Amazon Nova Experimental Chat 10 09: 69.4 (#172)
- Deepseek Coder v2: 61.7 (#242)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Deepseek Coder v2 |
|---|---|---|
| LMArena Instruction Following | 1315 | 1180 |

## Long Context

- Amazon Nova Experimental Chat 10 09: 40.5 (#152)
- Deepseek Coder v2: 37.0 (#224)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Deepseek Coder v2 |
|---|---|---|
| LMArena Longer Query | 1333 | 1219 |

## Writing & Preference

- Amazon Nova Experimental Chat 10 09: 54.7 (#149)
- Deepseek Coder v2: 38.2 (#253)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Deepseek Coder v2 |
|---|---|---|
| LMArena Text | 1364 | 1191 |
| LMArena Creative Writing | 1307 | 1120 |
| LMArena Multi-Turn | 1355 | 1177 |

## FAQ

### Is Amazon Nova Experimental Chat 10 09 better than Deepseek Coder v2?

Amazon Nova Experimental Chat 10 09 is the stronger model overall, scoring 41.9 to 35.9 on the Noometry Index.

### Is Amazon Nova Experimental Chat 10 09 or Deepseek Coder v2 better for coding?

Amazon Nova Experimental Chat 10 09 scores higher on coding benchmarks: 40.2 versus 38.1 in the Noometry coding category.

### How many benchmarks do Amazon Nova Experimental Chat 10 09 and Deepseek Coder v2 share?

9 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 09 has 9 scored results on Noometry and Deepseek Coder v2 has 24.