# Claude 3 Haiku vs Mistral Small 3

> Mistral Small 3 is the stronger model overall, scoring 31.2 to 25.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-3-haiku-vs-mistral-small-3
- Last updated: 2026-10-10
- Shared benchmarks: 23

## Summary

- They share 23 benchmarks with published results for both. Claude 3 Haiku scores higher in 0 categories and Mistral Small 3 in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in coding, where Mistral Small 3 leads 36.5 to 26.4.
- The biggest single-benchmark swing is GPQA Diamond: 36.3% for Claude 3 Haiku and 47.3% for Mistral Small 3.
- Mistral Small 3 has downloadable open weights; the other is API-only.

## Snapshot

| | Claude 3 Haiku | Mistral Small 3 |
|---|---|---|
| Provider | Anthropic | Mistral AI |
| Noometry Index | 25.9 | 31.2 |
| Rank | 340 | 278 |
| Context | — | 33K |
| Input $/M | — | $0.05 |
| Output $/M | — | $0.08 |
| Weights | Proprietary | Open |

## Coding

- Claude 3 Haiku: 26.4 (#325)
- Mistral Small 3: 36.5 (#207)

| Benchmark | Claude 3 Haiku | Mistral Small 3 |
|---|---|---|
| BigCodeBench Instruct | 39.4% | 45.3% |
| LMArena Coding | 1199 | 1246 |
| BigCodeBench Complete | 50.1% | 50.4% |
| WeirdML | 9.8% | — |
| CadEval | 12% | — |
| HumanEval+ | 68.9% | — |
| MBPP+ | 68.8% | — |

## Reasoning

- Claude 3 Haiku: 16.3 (#307)
- Mistral Small 3: 18.9 (#273)

| Benchmark | Claude 3 Haiku | Mistral Small 3 |
|---|---|---|
| LMArena Hard Prompts | 1174 | 1233 |
| Epoch Capabilities Index | 118.35 | 127.07 |
| Kagi LLM Benchmark | 34.2% | — |
| Chess Puzzles | — | 0% |
| DTBench | 50.1% | — |
| LMCA | 8.8% | — |
| ForecastBench | 53.2 | — |
| WinoGrande | 74.2% | — |

## Math

- Claude 3 Haiku: 9.8 (#319)
- Mistral Small 3: 16.3 (#295)

| Benchmark | Claude 3 Haiku | Mistral Small 3 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.8% | 6.7% |
| LMArena Math | 1188 | 1240 |
| MATH Level 5 | 14.9% | — |

## Knowledge

- Claude 3 Haiku: 17.3 (#285)
- Mistral Small 3: 25.1 (#263)

| Benchmark | Claude 3 Haiku | Mistral Small 3 |
|---|---|---|
| GPQA Diamond | 36.3% | 47.3% |
| Confabulations | 34.2% | 25.2% |
| LMArena Expert | 1148 | 1202 |
| MMLU | 73.8% | — |

## Multimodal

- Claude 3 Haiku: 23.6 (#128)
- Mistral Small 3: —

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

## Multilingual

- Claude 3 Haiku: 36.0 (#243)
- Mistral Small 3: 37.3 (#236)

| Benchmark | Claude 3 Haiku | Mistral Small 3 |
|---|---|---|
| LMArena Non-English | 1178 | 1198 |
| LMArena Chinese | 1155 | 1204 |
| LMArena French | 1195 | 1203 |
| LMArena German | 1174 | 1211 |
| LMArena Japanese | 1102 | 1111 |
| LMArena Korean | 1109 | 1188 |
| LMArena Russian | 1204 | 1216 |
| LMArena Spanish | 1166 | — |

## Instruction Following

- Claude 3 Haiku: 61.3 (#247)
- Mistral Small 3: 63.7 (#229)

| Benchmark | Claude 3 Haiku | Mistral Small 3 |
|---|---|---|
| LMArena Instruction Following | 1173 | 1214 |

## Long Context

- Claude 3 Haiku: 36.1 (#237)
- Mistral Small 3: 37.8 (#211)

| Benchmark | Claude 3 Haiku | Mistral Small 3 |
|---|---|---|
| LMArena Longer Query | 1190 | 1246 |

## Writing & Preference

- Claude 3 Haiku: 29.7 (#291)
- Mistral Small 3: 32.2 (#280)

| Benchmark | Claude 3 Haiku | Mistral Small 3 |
|---|---|---|
| LMArena Text | 1195 | 1234 |
| LMArena Creative Writing | 1157 | 1195 |
| EQ-Bench Creative Writing | 717 | 707 |
| LMArena Multi-Turn | 1190 | 1217 |

## FAQ

### Is Claude 3 Haiku better than Mistral Small 3?

Mistral Small 3 is the stronger model overall, scoring 31.2 to 25.9 on the Noometry Index.

### Is Claude 3 Haiku or Mistral Small 3 better for coding?

Mistral Small 3 scores higher on coding benchmarks: 36.5 versus 26.4 in the Noometry coding category.

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

23 benchmarks have published results for both models. Claude 3 Haiku has 37 scored results on Noometry and Mistral Small 3 has 24.