# Hy4 preview vs Mistral Small

> Hy4 preview is the stronger model overall, scoring 45.3 to 33.4 on the Noometry Index. Mistral Small costs 4.8× less per token, which makes it the better buy when Hy4 preview's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/hy4-preview-vs-mistral-small
- Last updated: 2026-10-11
- Shared benchmarks: 0

## Summary

- The widest gap is in math, where Hy4 preview leads 55.7 to 16.4.
- Mistral Small is cheaper at $0.15 / $0.60 per million input/output tokens, against $0.83 / $2.50 for Hy4 preview.
- Hy4 preview accepts more context: 1.05M tokens versus 262K.

## Snapshot

| | Hy4 preview | Mistral Small |
|---|---|---|
| Provider | Tencent | Mistral AI |
| Noometry Index | 45.3 | 33.4 |
| Rank | 73 | 243 |
| Context | 1.05M | 262K |
| Input $/M | $0.83 | $0.15 |
| Output $/M | $2.50 | $0.60 |
| Weights | Open | Open |

## Coding

- Hy4 preview: 51.6 (#38)
- Mistral Small: 34.0 (#247)

| Benchmark | Hy4 preview | Mistral Small |
|---|---|---|
| LMArena WebDev | 1632 | — |
| SciCode | — | 26.5% |
| BigCodeBench Instruct | — | 36.1% |
| LiveBench Coding | — | 36.2% |
| LMArena Coding | — | 1362 |
| BigCodeBench Complete | — | 46.6% |
| ALE-Bench | — | 497.62 |

## Agentic & Tool Use

- Hy4 preview: —
- Mistral Small: 28.1 (#93)

| Benchmark | Hy4 preview | Mistral Small |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 37.1% |

## Reasoning

- Hy4 preview: 31.9 (#79)
- Mistral Small: 19.8 (#250)

| Benchmark | Hy4 preview | Mistral Small |
|---|---|---|
| Kagi LLM Benchmark | — | 37.8% |
| NYT Connections (extended) | 68.2% | — |
| CritPt | — | 0% |
| LiveBench Reasoning | — | 44.8% |
| LMArena Hard Prompts | — | 1335 |
| DTBench | — | 70.9% |
| LiveBench Data Analysis | — | 53.7% |
| LMCA | — | 20.6% |
| LiveBench | — | 44% |

## Math

- Hy4 preview: 55.7 (#42)
- Mistral Small: 16.4 (#293)

| Benchmark | Hy4 preview | Mistral Small |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 5.8% |
| ProofBench | 75% | — |
| LiveBench Math | — | 39.9% |
| LMArena Math | — | 1341 |
| MATH Level 5 | — | 46.8% |

## Knowledge

- Hy4 preview: —
- Mistral Small: 31.0 (#222)

| Benchmark | Hy4 preview | Mistral Small |
|---|---|---|
| GPQA Diamond | — | 47.5% |
| Vectara Hallucination Rate | — | 5.1% |
| LMArena Expert | — | 1291 |
| MMLU | — | 68.7% |

## Multimodal

- Hy4 preview: —
- Mistral Small: 33.5 (#96)

| Benchmark | Hy4 preview | Mistral Small |
|---|---|---|
| LMArena Vision | — | 1142 |

## Multilingual

- Hy4 preview: —
- Mistral Small: 45.5 (#169)

| Benchmark | Hy4 preview | Mistral Small |
|---|---|---|
| LMArena Non-English | — | 1315 |
| LMArena Chinese | — | 1340 |
| LMArena French | — | 1337 |
| LMArena German | — | 1340 |
| LMArena Japanese | — | 1275 |
| LMArena Korean | — | 1259 |
| LMArena Russian | — | 1324 |
| LMArena Spanish | — | 1346 |

## Instruction Following

- Hy4 preview: —
- Mistral Small: 66.4 (#209)

| Benchmark | Hy4 preview | Mistral Small |
|---|---|---|
| LiveBench Instruction Following | — | 63.7% |
| LMArena Instruction Following | — | 1310 |

## Long Context

- Hy4 preview: —
- Mistral Small: 40.4 (#156)

| Benchmark | Hy4 preview | Mistral Small |
|---|---|---|
| LMArena Longer Query | — | 1327 |

## Writing & Preference

- Hy4 preview: —
- Mistral Small: 52.5 (#171)

| Benchmark | Hy4 preview | Mistral Small |
|---|---|---|
| LMArena Text | — | 1338 |
| LMArena Creative Writing | — | 1305 |
| LMArena Multi-Turn | — | 1344 |
| LiveBench Language | — | 30.5% |

## FAQ

### Is Hy4 preview better than Mistral Small?

Hy4 preview is the stronger model overall, scoring 45.3 to 33.4 on the Noometry Index. Mistral Small costs 4.8× less per token, which makes it the better buy when Hy4 preview's lead doesn't matter for your workload.

### Which is cheaper, Hy4 preview or Mistral Small?

Mistral Small is cheaper. It lists at $0.15 per million input tokens and $0.60 per million output tokens; Hy4 preview lists at $0.83 and $2.50.

### Is Hy4 preview or Mistral Small better for coding?

Hy4 preview scores higher on coding benchmarks: 51.6 versus 34.0 in the Noometry coding category.

### Which has the bigger context window?

Hy4 preview does, with 1.05M tokens against 262K.

### How many benchmarks do Hy4 preview and Mistral Small share?

0 benchmarks have published results for both models. Hy4 preview has 3 scored results on Noometry and Mistral Small has 39.