# Amazon Nova Experimental Chat 12 10 vs DeepSeek-V3.1-Terminus

> Amazon Nova Experimental Chat 12 10 and DeepSeek-V3.1-Terminus score almost the same on the Noometry Index (42.9 vs 43.1), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-12-10-vs-deepseek-v3-1-terminus
- Last updated: 2026-10-10
- Shared benchmarks: 10

## Summary

- They share 10 benchmarks with published results for both. Amazon Nova Experimental Chat 12 10 scores higher in 3 categories and DeepSeek-V3.1-Terminus in 4 categories; 2 gaps are clear of the uncertainty.
- DeepSeek-V3.1-Terminus has downloadable open weights; the other is API-only.

## Snapshot

| | Amazon Nova Experimental Chat 12 10 | DeepSeek-V3.1-Terminus |
|---|---|---|
| Provider | Amazon | DeepSeek |
| Noometry Index | 42.9 | 43.1 |
| Rank | 104 | 97 |
| Context | — | 164K |
| Input $/M | — | $0.27 |
| Output $/M | — | $1 |
| Weights | Proprietary | Open |

## Coding

- Amazon Nova Experimental Chat 12 10: 42.2 (#110)
- DeepSeek-V3.1-Terminus: 42.0 (#113)

| Benchmark | Amazon Nova Experimental Chat 12 10 | DeepSeek-V3.1-Terminus |
|---|---|---|
| LMArena Coding | 1430 | 1426 |
| SciCode | — | 40.6% |
| ALE-Bench | — | 745.17 |

## Reasoning

- Amazon Nova Experimental Chat 12 10: 29.3 (#94)
- DeepSeek-V3.1-Terminus: 26.4 (#133)

| Benchmark | Amazon Nova Experimental Chat 12 10 | DeepSeek-V3.1-Terminus |
|---|---|---|
| LMArena Hard Prompts | 1427 | 1426 |
| Kagi LLM Benchmark | — | 57.4% |
| CritPt | — | 1.7% |
| DTBench | — | 81.3% |
| LMCA | — | 28.6% |

## Math

- Amazon Nova Experimental Chat 12 10: 38.9 (#124)
- DeepSeek-V3.1-Terminus: 38.5 (#137)

| Benchmark | Amazon Nova Experimental Chat 12 10 | DeepSeek-V3.1-Terminus |
|---|---|---|
| LMArena Math | 1419 | 1402 |

## Knowledge

- Amazon Nova Experimental Chat 12 10: 39.2 (#136)
- DeepSeek-V3.1-Terminus: —

| Benchmark | Amazon Nova Experimental Chat 12 10 | DeepSeek-V3.1-Terminus |
|---|---|---|
| LMArena Expert | 1408 | — |

## Multilingual

- Amazon Nova Experimental Chat 12 10: 51.4 (#108)
- DeepSeek-V3.1-Terminus: 52.1 (#92)

| Benchmark | Amazon Nova Experimental Chat 12 10 | DeepSeek-V3.1-Terminus |
|---|---|---|
| LMArena Non-English | 1398 | 1407 |
| LMArena Russian | 1395 | 1436 |
| LMArena Chinese | 1440 | — |

## Instruction Following

- Amazon Nova Experimental Chat 12 10: 73.2 (#123)
- DeepSeek-V3.1-Terminus: 74.0 (#106)

| Benchmark | Amazon Nova Experimental Chat 12 10 | DeepSeek-V3.1-Terminus |
|---|---|---|
| LMArena Instruction Following | 1387 | 1404 |

## Long Context

- Amazon Nova Experimental Chat 12 10: 42.4 (#125)
- DeepSeek-V3.1-Terminus: 43.4 (#97)

| Benchmark | Amazon Nova Experimental Chat 12 10 | DeepSeek-V3.1-Terminus |
|---|---|---|
| LMArena Longer Query | 1391 | 1421 |

## Writing & Preference

- Amazon Nova Experimental Chat 12 10: 59.5 (#110)
- DeepSeek-V3.1-Terminus: 61.0 (#92)

| Benchmark | Amazon Nova Experimental Chat 12 10 | DeepSeek-V3.1-Terminus |
|---|---|---|
| LMArena Text | 1420 | 1419 |
| LMArena Creative Writing | 1350 | 1403 |
| LMArena Multi-Turn | 1409 | 1411 |

## FAQ

### Is Amazon Nova Experimental Chat 12 10 better than DeepSeek-V3.1-Terminus?

Amazon Nova Experimental Chat 12 10 and DeepSeek-V3.1-Terminus score almost the same on the Noometry Index (42.9 vs 43.1), so choose on price, context window or the category you care about most.

### Is Amazon Nova Experimental Chat 12 10 or DeepSeek-V3.1-Terminus better for coding?

They score almost the same on coding (42.2 vs 42.0); test both on your own repository before choosing.

### How many benchmarks do Amazon Nova Experimental Chat 12 10 and DeepSeek-V3.1-Terminus share?

10 benchmarks have published results for both models. Amazon Nova Experimental Chat 12 10 has 12 scored results on Noometry and DeepSeek-V3.1-Terminus has 16.