# Laguna M.1 vs Step 5 Preview

> Step 5 Preview is the stronger model overall, scoring 43.8 to 31.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/laguna-m-1-vs-step-5-preview
- Last updated: 2026-10-10
- Shared benchmarks: 1

## Summary

- They share 1 benchmark with published results for both. Laguna M.1 scores higher in 0 categories and Step 5 Preview in 2 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Step 5 Preview leads 38.0 to 21.9.
- Step 5 Preview accepts more context: 1.02M tokens versus 262K.
- Laguna M.1 has downloadable open weights; the other is API-only.

## Snapshot

| | Laguna M.1 | Step 5 Preview |
|---|---|---|
| Provider | Poolside | StepFun |
| Noometry Index | 31.9 | 43.8 |
| Rank | 252 | 78 |
| Context | 262K | 1.02M |
| Input $/M | — | $1 |
| Output $/M | — | $2.70 |
| Weights | Open | Proprietary |

## Coding

- Laguna M.1: 36.4 (#195)
- Step 5 Preview: 50.6 (#40)

| Benchmark | Laguna M.1 | Step 5 Preview |
|---|---|---|
| LMArena WebDev | 1348 | 1569 |
| SciCode | — | 58.9% |

## Reasoning

- Laguna M.1: 21.9 (#187)
- Step 5 Preview: 38.0 (#58)

| Benchmark | Laguna M.1 | Step 5 Preview |
|---|---|---|
| CritPt | — | 20.9% |
| Surface Evolver Bench | 15.6% | — |

## Math

- Laguna M.1: 20.3 (#276)
- Step 5 Preview: —

| Benchmark | Laguna M.1 | Step 5 Preview |
|---|---|---|
| ProofBench | 0% | — |

## FAQ

### Is Laguna M.1 better than Step 5 Preview?

Step 5 Preview is the stronger model overall, scoring 43.8 to 31.9 on the Noometry Index.

### Is Laguna M.1 or Step 5 Preview better for coding?

Step 5 Preview scores higher on coding benchmarks: 50.6 versus 36.4 in the Noometry coding category.

### Which has the bigger context window?

Step 5 Preview does, with 1.02M tokens against 262K.

### How many benchmarks do Laguna M.1 and Step 5 Preview share?

1 benchmark has published results for both models. Laguna M.1 has 3 scored results on Noometry and Step 5 Preview has 3.