# Claude Haiku 4.5 vs Mistral

> Claude Haiku 4.5 is the stronger model overall, scoring 39.3 to 29.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-haiku-4-5-vs-mistral
- Last updated: 2026-10-10
- Shared benchmarks: 22

## Summary

- They share 22 benchmarks with published results for both. Claude Haiku 4.5 scores higher in 7 categories and Mistral in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Claude Haiku 4.5 leads 43.0 to 20.5.
- The biggest single-benchmark swing is MMLU-Pro: 77.7% for Claude Haiku 4.5 and 27.7% for Mistral.

## Snapshot

| | Claude Haiku 4.5 | Mistral |
|---|---|---|
| Provider | Anthropic | Mistral AI |
| Noometry Index | 39.3 | 29.4 |
| Rank | 155 | 297 |
| Context | 200K | — |
| Input $/M | $1 | — |
| Output $/M | $5 | — |
| Weights | Proprietary | Proprietary |

## Coding

- Claude Haiku 4.5: 43.9 (#71)
- Mistral: 33.2 (#249)

| Benchmark | Claude Haiku 4.5 | Mistral |
|---|---|---|
| LMArena Coding | 1454 | 1162 |
| SWE-bench Verified (bash only) | 66.6% | — |
| LMArena WebDev | 1330 | — |
| SWE-bench Multilingual | 64.7% | — |
| SciCode | 43.3% | — |
| WeirdML | 45.4% | — |
| ALE-Bench | 653.48 | — |

## Agentic & Tool Use

- Claude Haiku 4.5: 33.5 (#50)
- Mistral: —

| Benchmark | Claude Haiku 4.5 | Mistral |
|---|---|---|
| Terminal-Bench | 35.5% | — |
| Berkeley Function Calling Leaderboard | 68.7% | — |
| DeepResearch Bench | 45.5% | — |
| BALROG | 31.2% | — |
| ExploitBench | 13.7% | — |
| Vending-Bench 2 | 458.89 | — |

## Reasoning

- Claude Haiku 4.5: 15.1 (#310)
- Mistral: 21.3 (#199)

| Benchmark | Claude Haiku 4.5 | Mistral |
|---|---|---|
| LMArena Hard Prompts | 1420 | 1149 |
| ARC-AGI-2 | 4% | — |
| NYT Connections (extended) | 14.3% | — |
| ARC-AGI-1 | 47.7% | — |
| CritPt | 0% | — |
| Chess Puzzles | 8% | — |
| DTBench | 73.6% | — |
| LMCA | 30.9% | — |
| Epoch Capabilities Index | 142.42 | — |
| ForecastBench | 61.4 | — |

## Math

- Claude Haiku 4.5: 43.0 (#69)
- Mistral: 20.5 (#275)

| Benchmark | Claude Haiku 4.5 | Mistral |
|---|---|---|
| Omni-MATH | 56.1% | 7.2% |
| LMArena Math | 1395 | 1180 |
| OTIS Mock AIME 2024-2025 | 66.7% | — |
| MATH Level 5 | 96.4% | — |
| FrontierMath (Feb 2025 set) | 5.9% | — |
| FrontierMath Tier 4 (v1) | 2.1% | — |

## Knowledge

- Claude Haiku 4.5: 37.6 (#146)
- Mistral: 16.3 (#283)

| Benchmark | Claude Haiku 4.5 | Mistral |
|---|---|---|
| MMLU-Pro | 77.7% | 27.7% |
| GPQA (HELM) | 60.5% | 30.3% |
| LMArena Expert | 1443 | 1125 |
| GPQA Diamond | 71.2% | — |
| SimpleQA Verified | 13.2% | — |
| Vectara Hallucination Rate | 9.8% | — |

## Multimodal

- Claude Haiku 4.5: 27.0 (#111)
- Mistral: —

| Benchmark | Claude Haiku 4.5 | Mistral |
|---|---|---|
| Blueprint-Bench 2 | 0% | — |
| LMArena Document | 1420 | — |

## Multilingual

- Claude Haiku 4.5: 50.1 (#124)
- Mistral: 33.0 (#249)

| Benchmark | Claude Haiku 4.5 | Mistral |
|---|---|---|
| LMArena Non-English | 1376 | 1129 |
| LMArena Chinese | 1415 | 1109 |
| LMArena French | 1408 | 1179 |
| LMArena German | 1377 | 1155 |
| LMArena Japanese | 1339 | 1012 |
| LMArena Korean | 1346 | 1032 |
| LMArena Russian | 1380 | 1168 |
| LMArena Spanish | 1420 | 1143 |

## Instruction Following

- Claude Haiku 4.5: 71.6 (#144)
- Mistral: 52.9 (#283)

| Benchmark | Claude Haiku 4.5 | Mistral |
|---|---|---|
| IFEval | 80.1% | 56.8% |
| LMArena Instruction Following | 1414 | 1152 |

## Long Context

- Claude Haiku 4.5: 43.6 (#86)
- Mistral: 35.0 (#240)

| Benchmark | Claude Haiku 4.5 | Mistral |
|---|---|---|
| LMArena Longer Query | 1427 | 1154 |

## Writing & Preference

- Claude Haiku 4.5: 58.1 (#119)
- Mistral: 37.2 (#255)

| Benchmark | Claude Haiku 4.5 | Mistral |
|---|---|---|
| LMArena Text | 1396 | 1165 |
| LMArena Creative Writing | 1371 | 1158 |
| WildBench | 83.9% | 66% |
| LMArena Multi-Turn | 1409 | 1147 |
| EQ-Bench 4 | 1064 | — |

## FAQ

### Is Claude Haiku 4.5 better than Mistral?

Claude Haiku 4.5 is the stronger model overall, scoring 39.3 to 29.4 on the Noometry Index.

### Is Claude Haiku 4.5 or Mistral better for coding?

Claude Haiku 4.5 scores higher on coding benchmarks: 43.9 versus 33.2 in the Noometry coding category.

### How many benchmarks do Claude Haiku 4.5 and Mistral share?

22 benchmarks have published results for both models. Claude Haiku 4.5 has 53 scored results on Noometry and Mistral has 22.