# Amazon Nova Experimental Chat 26 02 10 vs Devstral Small 2505

> Amazon Nova Experimental Chat 26 02 10 is the stronger model overall, scoring 43.8 to 33.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-26-02-10-vs-devstral-small
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where Amazon Nova Experimental Chat 26 02 10 leads 28.9 to 19.1.
- Devstral Small 2505 has downloadable open weights; the other is API-only.

## Snapshot

| | Amazon Nova Experimental Chat 26 02 10 | Devstral Small 2505 |
|---|---|---|
| Provider | Amazon | Mistral AI |
| Noometry Index | 43.8 | 33.9 |
| Rank | 77 | 228 |
| Context | — | 128K |
| Input $/M | — | $0.10 |
| Output $/M | — | $0.30 |
| Weights | Proprietary | Open |

## Coding

- Amazon Nova Experimental Chat 26 02 10: 43.2 (#81)
- Devstral Small 2505: 38.6 (#160)

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Devstral Small 2505 |
|---|---|---|
| SWE-bench Verified (bash only) | — | 56.4% |
| SciCode | — | 28.8% |
| LMArena Coding | 1483 | — |

## Reasoning

- Amazon Nova Experimental Chat 26 02 10: 28.9 (#84)
- Devstral Small 2505: 19.1 (#243)

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Devstral Small 2505 |
|---|---|---|
| Kagi LLM Benchmark | — | 37.7% |
| CritPt | — | 0% |
| LMArena Hard Prompts | 1458 | — |

## Math

- Amazon Nova Experimental Chat 26 02 10: 36.6 (#108)
- Devstral Small 2505: —

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Devstral Small 2505 |
|---|---|---|
| LMArena Math | 1440 | — |

## Knowledge

- Amazon Nova Experimental Chat 26 02 10: 41.6 (#98)
- Devstral Small 2505: —

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Devstral Small 2505 |
|---|---|---|
| LMArena Expert | 1505 | — |

## Multilingual

- Amazon Nova Experimental Chat 26 02 10: 54.3 (#48)
- Devstral Small 2505: —

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Devstral Small 2505 |
|---|---|---|
| LMArena Non-English | 1435 | — |
| LMArena Chinese | 1465 | — |
| LMArena Russian | 1423 | — |

## Instruction Following

- Amazon Nova Experimental Chat 26 02 10: 75.3 (#66)
- Devstral Small 2505: —

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Devstral Small 2505 |
|---|---|---|
| LMArena Instruction Following | 1426 | — |

## Long Context

- Amazon Nova Experimental Chat 26 02 10: 44.0 (#73)
- Devstral Small 2505: —

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Devstral Small 2505 |
|---|---|---|
| LMArena Longer Query | 1441 | — |

## Writing & Preference

- Amazon Nova Experimental Chat 26 02 10: 62.0 (#80)
- Devstral Small 2505: —

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Devstral Small 2505 |
|---|---|---|
| LMArena Text | 1449 | — |
| LMArena Creative Writing | 1369 | — |
| LMArena Multi-Turn | 1442 | — |

## FAQ

### Is Amazon Nova Experimental Chat 26 02 10 better than Devstral Small 2505?

Amazon Nova Experimental Chat 26 02 10 is the stronger model overall, scoring 43.8 to 33.9 on the Noometry Index.

### Is Amazon Nova Experimental Chat 26 02 10 or Devstral Small 2505 better for coding?

Amazon Nova Experimental Chat 26 02 10 scores higher on coding benchmarks: 43.2 versus 38.6 in the Noometry coding category.

### How many benchmarks do Amazon Nova Experimental Chat 26 02 10 and Devstral Small 2505 share?

0 benchmarks have published results for both models. Amazon Nova Experimental Chat 26 02 10 has 12 scored results on Noometry and Devstral Small 2505 has 4.