# Amazon Nova Experimental Chat 11 10 vs DeepSeek V4.1 Flash

> DeepSeek V4.1 Flash is the stronger model overall, scoring 50.3 to 42.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-11-10-vs-deepseek-v4-1-flash
- Last updated: 2026-10-10
- Shared benchmarks: 14

## Summary

- They share 14 benchmarks with published results for both. Amazon Nova Experimental Chat 11 10 scores higher in 0 categories and DeepSeek V4.1 Flash in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where DeepSeek V4.1 Flash leads 46.2 to 27.9.
- DeepSeek V4.1 Flash has downloadable open weights; the other is API-only.

## Snapshot

| | Amazon Nova Experimental Chat 11 10 | DeepSeek V4.1 Flash |
|---|---|---|
| Provider | Amazon | DeepSeek |
| Noometry Index | 42.4 | 50.3 |
| Rank | 101 | 40 |
| Context | — | 1M |
| Input $/M | — | $0.15 |
| Output $/M | — | $0.60 |
| Weights | Proprietary | Open |

## Coding

- Amazon Nova Experimental Chat 11 10: 41.6 (#109)
- DeepSeek V4.1 Flash: 52.8 (#29)

| Benchmark | Amazon Nova Experimental Chat 11 10 | DeepSeek V4.1 Flash |
|---|---|---|
| LMArena Coding | 1433 | 1511 |
| LMArena WebDev | — | 1620 |
| SciCode | — | 51.9% |
| ALE-Bench | — | 1,092 |

## Reasoning

- Amazon Nova Experimental Chat 11 10: 27.9 (#94)
- DeepSeek V4.1 Flash: 46.2 (#39)

| Benchmark | Amazon Nova Experimental Chat 11 10 | DeepSeek V4.1 Flash |
|---|---|---|
| LMArena Hard Prompts | 1422 | 1485 |
| NYT Connections (extended) | — | 89.6% |
| CritPt | — | 14.3% |
| DTBench | — | 89.9% |
| LMCA | — | 47% |
| Surface Evolver Bench | — | 46.3% |
| Epoch Capabilities Index | — | 155.01 |

## Math

- Amazon Nova Experimental Chat 11 10: 36.4 (#116)
- DeepSeek V4.1 Flash: 48.4 (#52)

| Benchmark | Amazon Nova Experimental Chat 11 10 | DeepSeek V4.1 Flash |
|---|---|---|
| LMArena Math | 1431 | 1493 |
| ProofBench | — | 54% |

## Knowledge

- Amazon Nova Experimental Chat 11 10: 39.3 (#122)
- DeepSeek V4.1 Flash: 41.6 (#97)

| Benchmark | Amazon Nova Experimental Chat 11 10 | DeepSeek V4.1 Flash |
|---|---|---|
| LMArena Expert | 1432 | 1505 |

## Multilingual

- Amazon Nova Experimental Chat 11 10: 52.1 (#91)
- DeepSeek V4.1 Flash: 55.5 (#29)

| Benchmark | Amazon Nova Experimental Chat 11 10 | DeepSeek V4.1 Flash |
|---|---|---|
| LMArena Non-English | 1405 | 1452 |
| LMArena Chinese | 1463 | 1506 |
| LMArena French | 1449 | 1448 |
| LMArena Russian | 1395 | 1473 |
| LMArena Spanish | 1444 | 1499 |
| LMArena German | 1396 | — |
| LMArena Japanese | 1383 | — |
| LMArena Korean | 1387 | — |

## Instruction Following

- Amazon Nova Experimental Chat 11 10: 73.4 (#118)
- DeepSeek V4.1 Flash: 77.6 (#24)

| Benchmark | Amazon Nova Experimental Chat 11 10 | DeepSeek V4.1 Flash |
|---|---|---|
| LMArena Instruction Following | 1387 | 1475 |

## Long Context

- Amazon Nova Experimental Chat 11 10: 42.5 (#116)
- DeepSeek V4.1 Flash: 45.2 (#46)

| Benchmark | Amazon Nova Experimental Chat 11 10 | DeepSeek V4.1 Flash |
|---|---|---|
| LMArena Longer Query | 1395 | 1476 |

## Writing & Preference

- Amazon Nova Experimental Chat 11 10: 59.0 (#109)
- DeepSeek V4.1 Flash: 65.8 (#43)

| Benchmark | Amazon Nova Experimental Chat 11 10 | DeepSeek V4.1 Flash |
|---|---|---|
| LMArena Text | 1415 | 1465 |
| LMArena Creative Writing | 1349 | 1436 |
| LMArena Multi-Turn | 1380 | 1460 |
| EQ-Bench Creative Writing | — | 1540 |

## FAQ

### Is Amazon Nova Experimental Chat 11 10 better than DeepSeek V4.1 Flash?

DeepSeek V4.1 Flash is the stronger model overall, scoring 50.3 to 42.4 on the Noometry Index.

### Is Amazon Nova Experimental Chat 11 10 or DeepSeek V4.1 Flash better for coding?

DeepSeek V4.1 Flash scores higher on coding benchmarks: 52.8 versus 41.6 in the Noometry coding category.

### How many benchmarks do Amazon Nova Experimental Chat 11 10 and DeepSeek V4.1 Flash share?

14 benchmarks have published results for both models. Amazon Nova Experimental Chat 11 10 has 17 scored results on Noometry and DeepSeek V4.1 Flash has 25.