# Amazon Nova Experimental Chat 26 01 10 vs Step 5 Preview

> Step 5 Preview is the stronger model overall, scoring 43.8 to 42.2 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-26-01-10-vs-step-5-preview
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where Step 5 Preview leads 38.0 to 27.8.

## Snapshot

| | Amazon Nova Experimental Chat 26 01 10 | Step 5 Preview |
|---|---|---|
| Provider | Amazon | StepFun |
| Noometry Index | 42.2 | 43.8 |
| Rank | 108 | 78 |
| Context | — | 1.02M |
| Input $/M | — | $1 |
| Output $/M | — | $2.70 |
| Weights | Proprietary | Proprietary |

## Coding

- Amazon Nova Experimental Chat 26 01 10: 42.1 (#97)
- Step 5 Preview: 50.6 (#40)

| Benchmark | Amazon Nova Experimental Chat 26 01 10 | Step 5 Preview |
|---|---|---|
| LMArena WebDev | — | 1569 |
| SciCode | — | 58.9% |
| LMArena Coding | 1447 | — |

## Reasoning

- Amazon Nova Experimental Chat 26 01 10: 27.8 (#97)
- Step 5 Preview: 38.0 (#58)

| Benchmark | Amazon Nova Experimental Chat 26 01 10 | Step 5 Preview |
|---|---|---|
| CritPt | — | 20.9% |
| LMArena Hard Prompts | 1415 | — |

## Math

- Amazon Nova Experimental Chat 26 01 10: 35.8 (#136)
- Step 5 Preview: —

| Benchmark | Amazon Nova Experimental Chat 26 01 10 | Step 5 Preview |
|---|---|---|
| LMArena Math | 1404 | — |

## Knowledge

- Amazon Nova Experimental Chat 26 01 10: 39.7 (#115)
- Step 5 Preview: —

| Benchmark | Amazon Nova Experimental Chat 26 01 10 | Step 5 Preview |
|---|---|---|
| LMArena Expert | 1445 | — |

## Multilingual

- Amazon Nova Experimental Chat 26 01 10: 50.4 (#121)
- Step 5 Preview: —

| Benchmark | Amazon Nova Experimental Chat 26 01 10 | Step 5 Preview |
|---|---|---|
| LMArena Non-English | 1381 | — |
| LMArena Chinese | 1373 | — |
| LMArena Russian | 1393 | — |
| LMArena Spanish | 1390 | — |

## Instruction Following

- Amazon Nova Experimental Chat 26 01 10: 73.1 (#121)
- Step 5 Preview: —

| Benchmark | Amazon Nova Experimental Chat 26 01 10 | Step 5 Preview |
|---|---|---|
| LMArena Instruction Following | 1381 | — |

## Long Context

- Amazon Nova Experimental Chat 26 01 10: 42.7 (#114)
- Step 5 Preview: —

| Benchmark | Amazon Nova Experimental Chat 26 01 10 | Step 5 Preview |
|---|---|---|
| LMArena Longer Query | 1401 | — |

## Writing & Preference

- Amazon Nova Experimental Chat 26 01 10: 57.6 (#123)
- Step 5 Preview: —

| Benchmark | Amazon Nova Experimental Chat 26 01 10 | Step 5 Preview |
|---|---|---|
| LMArena Text | 1396 | — |
| LMArena Creative Writing | 1331 | — |
| LMArena Multi-Turn | 1380 | — |

## FAQ

### Is Amazon Nova Experimental Chat 26 01 10 better than Step 5 Preview?

Step 5 Preview is the stronger model overall, scoring 43.8 to 42.2 on the Noometry Index.

### Is Amazon Nova Experimental Chat 26 01 10 or Step 5 Preview better for coding?

Step 5 Preview scores higher on coding benchmarks: 50.6 versus 42.1 in the Noometry coding category.

### How many benchmarks do Amazon Nova Experimental Chat 26 01 10 and Step 5 Preview share?

0 benchmarks have published results for both models. Amazon Nova Experimental Chat 26 01 10 has 13 scored results on Noometry and Step 5 Preview has 3.