# ERNIE 5.1 vs Kimi K2 Thinking Turbo

> Kimi K2 Thinking Turbo is the stronger model overall, scoring 45.8 to 43.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/ernie-5-1-vs-kimi-k2-thinking-turbo
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. ERNIE 5.1 scores higher in 5 categories and Kimi K2 Thinking Turbo in 3 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Kimi K2 Thinking Turbo leads 32.5 to 21.9.
- Kimi K2 Thinking Turbo has downloadable open weights; the other is API-only.

## Snapshot

| | ERNIE 5.1 | Kimi K2 Thinking Turbo |
|---|---|---|
| Provider | Baidu | Moonshot AI |
| Noometry Index | 43.8 | 45.8 |
| Rank | 83 | 70 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- ERNIE 5.1: 44.0 (#76)
- Kimi K2 Thinking Turbo: 38.4 (#178)

| Benchmark | ERNIE 5.1 | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Coding | 1488 | 1454 |
| LMArena WebDev | — | 1322 |

## Agentic & Tool Use

- ERNIE 5.1: —
- Kimi K2 Thinking Turbo: —

| Benchmark | ERNIE 5.1 | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Search | 1227 | — |

## Reasoning

- ERNIE 5.1: 21.9 (#211)
- Kimi K2 Thinking Turbo: 32.5 (#75)

| Benchmark | ERNIE 5.1 | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Hard Prompts | 1481 | 1428 |
| NYT Connections (extended) | 23.4% | — |
| Chess Puzzles | — | 20% |

## Math

- ERNIE 5.1: 40.3 (#92)
- Kimi K2 Thinking Turbo: 47.4 (#68)

| Benchmark | ERNIE 5.1 | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Math | 1481 | 1429 |
| OTIS Mock AIME 2024-2025 | — | 83.1% |

## Knowledge

- ERNIE 5.1: 41.9 (#102)
- Kimi K2 Thinking Turbo: 50.9 (#69)

| Benchmark | ERNIE 5.1 | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Expert | 1492 | 1439 |
| GPQA Diamond | — | 84.2% |

## Multilingual

- ERNIE 5.1: 55.5 (#29)
- Kimi K2 Thinking Turbo: 51.4 (#109)

| Benchmark | ERNIE 5.1 | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Non-English | 1454 | 1398 |
| LMArena Chinese | 1508 | 1456 |
| LMArena French | 1488 | 1425 |
| LMArena German | 1470 | 1390 |
| LMArena Japanese | 1422 | 1357 |
| LMArena Korean | 1427 | 1330 |
| LMArena Russian | 1459 | 1391 |
| LMArena Spanish | 1473 | 1406 |

## Instruction Following

- ERNIE 5.1: 76.7 (#37)
- Kimi K2 Thinking Turbo: 74.0 (#109)

| Benchmark | ERNIE 5.1 | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Instruction Following | 1460 | 1403 |

## Long Context

- ERNIE 5.1: 44.7 (#59)
- Kimi K2 Thinking Turbo: 43.2 (#102)

| Benchmark | ERNIE 5.1 | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Longer Query | 1462 | 1415 |

## Writing & Preference

- ERNIE 5.1: 65.1 (#52)
- Kimi K2 Thinking Turbo: 60.0 (#104)

| Benchmark | ERNIE 5.1 | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Text | 1468 | 1415 |
| LMArena Creative Writing | 1441 | 1374 |
| LMArena Multi-Turn | 1471 | 1414 |

## FAQ

### Is ERNIE 5.1 better than Kimi K2 Thinking Turbo?

Kimi K2 Thinking Turbo is the stronger model overall, scoring 45.8 to 43.8 on the Noometry Index.

### Is ERNIE 5.1 or Kimi K2 Thinking Turbo better for coding?

ERNIE 5.1 scores higher on coding benchmarks: 44.0 versus 38.4 in the Noometry coding category.

### How many benchmarks do ERNIE 5.1 and Kimi K2 Thinking Turbo share?

17 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and Kimi K2 Thinking Turbo has 21.