# Claude 3 Haiku vs Mistral Medium 3.1

> Mistral Medium 3.1 is the stronger model overall, scoring 31.5 to 25.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-3-haiku-vs-mistral-medium-3-1
- Last updated: 2026-10-10
- Shared benchmarks: 1

## Summary

- They share 1 benchmark with published results for both. Claude 3 Haiku scores higher in 1 category and Mistral Medium 3.1 in 1 category; 2 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Mistral Medium 3.1 leads 55.6 to 29.8.

## Snapshot

| | Claude 3 Haiku | Mistral Medium 3.1 |
|---|---|---|
| Provider | Anthropic | Mistral AI |
| Noometry Index | 25.7 | 31.5 |
| Rank | 333 | 260 |
| Context | — | 131K |
| Input $/M | — | $0.40 |
| Output $/M | — | $2 |
| Weights | Proprietary | Proprietary |

## Coding

- Claude 3 Haiku: 26.1 (#320)
- Mistral Medium 3.1: —

| Benchmark | Claude 3 Haiku | Mistral Medium 3.1 |
|---|---|---|
| WeirdML | 9.8% | — |
| BigCodeBench Instruct | 39.4% | — |
| LMArena Coding | 1199 | — |
| BigCodeBench Complete | 50.1% | — |
| CadEval | 12% | — |
| HumanEval+ | 68.9% | — |
| MBPP+ | 68.8% | — |

## Reasoning

- Claude 3 Haiku: 15.7 (#303)
- Mistral Medium 3.1: 10.1 (#336)

| Benchmark | Claude 3 Haiku | Mistral Medium 3.1 |
|---|---|---|
| Kagi LLM Benchmark | 34.2% | — |
| NYT Connections (extended) | — | 6.5% |
| Thematic Generalization | — | 20.3% |
| LMArena Hard Prompts | 1174 | — |
| DTBench | 50.1% | — |
| LMCA | 8.8% | — |
| Epoch Capabilities Index | 118.3 | — |
| ForecastBench | 53.2 | — |
| WinoGrande | 74.2% | — |

## Math

- Claude 3 Haiku: 9.2 (#313)
- Mistral Medium 3.1: —

| Benchmark | Claude 3 Haiku | Mistral Medium 3.1 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.8% | — |
| LMArena Math | 1188 | — |
| MATH Level 5 | 14.9% | — |

## Knowledge

- Claude 3 Haiku: 17.3 (#280)
- Mistral Medium 3.1: —

| Benchmark | Claude 3 Haiku | Mistral Medium 3.1 |
|---|---|---|
| GPQA Diamond | 36.3% | — |
| Confabulations | 34.2% | — |
| LMArena Expert | 1148 | — |
| MMLU | 73.8% | — |

## Multimodal

- Claude 3 Haiku: 23.1 (#123)
- Mistral Medium 3.1: —

| Benchmark | Claude 3 Haiku | Mistral Medium 3.1 |
|---|---|---|
| LMArena Vision | 950 | — |
| ScienceQA | 72% | — |

## Multilingual

- Claude 3 Haiku: 36.1 (#238)
- Mistral Medium 3.1: —

| Benchmark | Claude 3 Haiku | Mistral Medium 3.1 |
|---|---|---|
| LMArena Non-English | 1178 | — |
| LMArena Chinese | 1155 | — |
| LMArena French | 1194 | — |
| LMArena German | 1174 | — |
| LMArena Japanese | 1102 | — |
| LMArena Korean | 1108 | — |
| LMArena Russian | 1204 | — |
| LMArena Spanish | 1165 | — |

## Instruction Following

- Claude 3 Haiku: 61.5 (#242)
- Mistral Medium 3.1: —

| Benchmark | Claude 3 Haiku | Mistral Medium 3.1 |
|---|---|---|
| LMArena Instruction Following | 1174 | — |

## Long Context

- Claude 3 Haiku: 36.1 (#232)
- Mistral Medium 3.1: —

| Benchmark | Claude 3 Haiku | Mistral Medium 3.1 |
|---|---|---|
| LMArena Longer Query | 1191 | — |

## Writing & Preference

- Claude 3 Haiku: 29.8 (#286)
- Mistral Medium 3.1: 55.6 (#140)

| Benchmark | Claude 3 Haiku | Mistral Medium 3.1 |
|---|---|---|
| EQ-Bench Creative Writing | 717 | 1476 |
| LMArena Text | 1195 | — |
| LMArena Creative Writing | 1157 | — |
| LMArena Multi-Turn | 1190 | — |

## FAQ

### Is Claude 3 Haiku better than Mistral Medium 3.1?

Mistral Medium 3.1 is the stronger model overall, scoring 31.5 to 25.7 on the Noometry Index.

### How many benchmarks do Claude 3 Haiku and Mistral Medium 3.1 share?

1 benchmark has published results for both models. Claude 3 Haiku has 37 scored results on Noometry and Mistral Medium 3.1 has 3.