# Hy4 preview vs Molmo 2 8b

> Hy4 preview is the stronger model overall, scoring 45.3 to 39.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/hy4-preview-vs-molmo-2-8b
- Last updated: 2026-10-11
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where Hy4 preview leads 31.9 to 25.6.

## Snapshot

| | Hy4 preview | Molmo 2 8b |
|---|---|---|
| Provider | Tencent | Allen Institute for AI (Ai2) |
| Noometry Index | 45.3 | 39.1 |
| Rank | 73 | 174 |
| Context | 1.05M | — |
| Input $/M | $0.83 | — |
| Output $/M | $2.50 | — |
| Weights | Open | Open |

## Coding

- Hy4 preview: 51.6 (#38)
- Molmo 2 8b: —

| Benchmark | Hy4 preview | Molmo 2 8b |
|---|---|---|
| LMArena WebDev | 1632 | — |

## Reasoning

- Hy4 preview: 31.9 (#79)
- Molmo 2 8b: 25.6 (#146)

| Benchmark | Hy4 preview | Molmo 2 8b |
|---|---|---|
| NYT Connections (extended) | 68.2% | — |
| LMArena Hard Prompts | — | 1287 |

## Math

- Hy4 preview: 55.7 (#42)
- Molmo 2 8b: —

| Benchmark | Hy4 preview | Molmo 2 8b |
|---|---|---|
| ProofBench | 75% | — |

## Multimodal

- Hy4 preview: —
- Molmo 2 8b: 30.2 (#112)

| Benchmark | Hy4 preview | Molmo 2 8b |
|---|---|---|
| LMArena Vision | — | 1081 |

## Multilingual

- Hy4 preview: —
- Molmo 2 8b: 42.7 (#190)

| Benchmark | Hy4 preview | Molmo 2 8b |
|---|---|---|
| LMArena Non-English | — | 1276 |

## Instruction Following

- Hy4 preview: —
- Molmo 2 8b: 67.0 (#201)

| Benchmark | Hy4 preview | Molmo 2 8b |
|---|---|---|
| LMArena Instruction Following | — | 1270 |

## Writing & Preference

- Hy4 preview: —
- Molmo 2 8b: 49.4 (#191)

| Benchmark | Hy4 preview | Molmo 2 8b |
|---|---|---|
| LMArena Text | — | 1288 |

## FAQ

### Is Hy4 preview better than Molmo 2 8b?

Hy4 preview is the stronger model overall, scoring 45.3 to 39.1 on the Noometry Index.

### How many benchmarks do Hy4 preview and Molmo 2 8b share?

0 benchmarks have published results for both models. Hy4 preview has 3 scored results on Noometry and Molmo 2 8b has 5.