# ERNIE 5.1 vs Mistral Small 3

> ERNIE 5.1 is the stronger model overall, scoring 43.8 to 31.2 on the Noometry Index.

- Canonical page: https://noometry.com/compare/ernie-5-1-vs-mistral-small-3
- Last updated: 2026-10-10
- Shared benchmarks: 16

## Summary

- They share 16 benchmarks with published results for both. ERNIE 5.1 scores higher in 8 categories and Mistral Small 3 in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where ERNIE 5.1 leads 65.1 to 32.2.
- Mistral Small 3 has downloadable open weights; the other is API-only.

## Snapshot

| | ERNIE 5.1 | Mistral Small 3 |
|---|---|---|
| Provider | Baidu | Mistral AI |
| Noometry Index | 43.8 | 31.2 |
| Rank | 83 | 278 |
| Context | — | 33K |
| Input $/M | — | $0.05 |
| Output $/M | — | $0.08 |
| Weights | Proprietary | Open |

## Coding

- ERNIE 5.1: 44.0 (#76)
- Mistral Small 3: 36.5 (#207)

| Benchmark | ERNIE 5.1 | Mistral Small 3 |
|---|---|---|
| LMArena Coding | 1488 | 1246 |
| BigCodeBench Instruct | — | 45.3% |
| BigCodeBench Complete | — | 50.4% |

## Agentic & Tool Use

- ERNIE 5.1: —
- Mistral Small 3: —

| Benchmark | ERNIE 5.1 | Mistral Small 3 |
|---|---|---|
| LMArena Search | 1227 | — |

## Reasoning

- ERNIE 5.1: 21.9 (#211)
- Mistral Small 3: 18.9 (#273)

| Benchmark | ERNIE 5.1 | Mistral Small 3 |
|---|---|---|
| LMArena Hard Prompts | 1481 | 1233 |
| NYT Connections (extended) | 23.4% | — |
| Chess Puzzles | — | 0% |
| Epoch Capabilities Index | — | 127.07 |

## Math

- ERNIE 5.1: 40.3 (#92)
- Mistral Small 3: 16.3 (#295)

| Benchmark | ERNIE 5.1 | Mistral Small 3 |
|---|---|---|
| LMArena Math | 1481 | 1240 |
| OTIS Mock AIME 2024-2025 | — | 6.7% |

## Knowledge

- ERNIE 5.1: 41.9 (#102)
- Mistral Small 3: 25.1 (#263)

| Benchmark | ERNIE 5.1 | Mistral Small 3 |
|---|---|---|
| LMArena Expert | 1492 | 1202 |
| GPQA Diamond | — | 47.3% |
| Confabulations | — | 25.2% |

## Multilingual

- ERNIE 5.1: 55.5 (#29)
- Mistral Small 3: 37.3 (#236)

| Benchmark | ERNIE 5.1 | Mistral Small 3 |
|---|---|---|
| LMArena Non-English | 1454 | 1198 |
| LMArena Chinese | 1508 | 1204 |
| LMArena French | 1488 | 1203 |
| LMArena German | 1470 | 1211 |
| LMArena Japanese | 1422 | 1111 |
| LMArena Korean | 1427 | 1188 |
| LMArena Russian | 1459 | 1216 |
| LMArena Spanish | 1473 | — |

## Instruction Following

- ERNIE 5.1: 76.7 (#37)
- Mistral Small 3: 63.7 (#229)

| Benchmark | ERNIE 5.1 | Mistral Small 3 |
|---|---|---|
| LMArena Instruction Following | 1460 | 1214 |

## Long Context

- ERNIE 5.1: 44.7 (#59)
- Mistral Small 3: 37.8 (#211)

| Benchmark | ERNIE 5.1 | Mistral Small 3 |
|---|---|---|
| LMArena Longer Query | 1462 | 1246 |

## Writing & Preference

- ERNIE 5.1: 65.1 (#52)
- Mistral Small 3: 32.2 (#280)

| Benchmark | ERNIE 5.1 | Mistral Small 3 |
|---|---|---|
| LMArena Text | 1468 | 1234 |
| LMArena Creative Writing | 1441 | 1195 |
| LMArena Multi-Turn | 1471 | 1217 |
| EQ-Bench Creative Writing | — | 707 |

## FAQ

### Is ERNIE 5.1 better than Mistral Small 3?

ERNIE 5.1 is the stronger model overall, scoring 43.8 to 31.2 on the Noometry Index.

### Is ERNIE 5.1 or Mistral Small 3 better for coding?

ERNIE 5.1 scores higher on coding benchmarks: 44.0 versus 36.5 in the Noometry coding category.

### How many benchmarks do ERNIE 5.1 and Mistral Small 3 share?

16 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and Mistral Small 3 has 24.