# Amazon Nova Experimental Chat 26 02 10 vs Step 5 Preview

> Amazon Nova Experimental Chat 26 02 10 and Step 5 Preview score almost the same on the Noometry Index (43.8 vs 43.8), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-26-02-10-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 28.9.

## Snapshot

| | Amazon Nova Experimental Chat 26 02 10 | Step 5 Preview |
|---|---|---|
| Provider | Amazon | StepFun |
| Noometry Index | 43.8 | 43.8 |
| Rank | 77 | 78 |
| Context | — | 1.02M |
| Input $/M | — | $1 |
| Output $/M | — | $2.70 |
| Weights | Proprietary | Proprietary |

## Coding

- Amazon Nova Experimental Chat 26 02 10: 43.2 (#81)
- Step 5 Preview: 50.6 (#40)

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Step 5 Preview |
|---|---|---|
| LMArena WebDev | — | 1569 |
| SciCode | — | 58.9% |
| LMArena Coding | 1483 | — |

## Reasoning

- Amazon Nova Experimental Chat 26 02 10: 28.9 (#84)
- Step 5 Preview: 38.0 (#58)

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Step 5 Preview |
|---|---|---|
| CritPt | — | 20.9% |
| LMArena Hard Prompts | 1458 | — |

## Math

- Amazon Nova Experimental Chat 26 02 10: 36.6 (#108)
- Step 5 Preview: —

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Step 5 Preview |
|---|---|---|
| LMArena Math | 1440 | — |

## Knowledge

- Amazon Nova Experimental Chat 26 02 10: 41.6 (#98)
- Step 5 Preview: —

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Step 5 Preview |
|---|---|---|
| LMArena Expert | 1505 | — |

## Multilingual

- Amazon Nova Experimental Chat 26 02 10: 54.3 (#48)
- Step 5 Preview: —

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Step 5 Preview |
|---|---|---|
| LMArena Non-English | 1435 | — |
| LMArena Chinese | 1465 | — |
| LMArena Russian | 1423 | — |

## Instruction Following

- Amazon Nova Experimental Chat 26 02 10: 75.3 (#66)
- Step 5 Preview: —

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Step 5 Preview |
|---|---|---|
| LMArena Instruction Following | 1426 | — |

## Long Context

- Amazon Nova Experimental Chat 26 02 10: 44.0 (#73)
- Step 5 Preview: —

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Step 5 Preview |
|---|---|---|
| LMArena Longer Query | 1441 | — |

## Writing & Preference

- Amazon Nova Experimental Chat 26 02 10: 62.0 (#80)
- Step 5 Preview: —

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Step 5 Preview |
|---|---|---|
| LMArena Text | 1449 | — |
| LMArena Creative Writing | 1369 | — |
| LMArena Multi-Turn | 1442 | — |

## FAQ

### Is Amazon Nova Experimental Chat 26 02 10 better than Step 5 Preview?

Amazon Nova Experimental Chat 26 02 10 and Step 5 Preview score almost the same on the Noometry Index (43.8 vs 43.8), so choose on price, context window or the category you care about most.

### Is Amazon Nova Experimental Chat 26 02 10 or Step 5 Preview better for coding?

Step 5 Preview scores higher on coding benchmarks: 50.6 versus 43.2 in the Noometry coding category.

### How many benchmarks do Amazon Nova Experimental Chat 26 02 10 and Step 5 Preview share?

0 benchmarks have published results for both models. Amazon Nova Experimental Chat 26 02 10 has 12 scored results on Noometry and Step 5 Preview has 3.