Baidu, unknown

# ERNIE 5.1

> ERNIE 5.1 by Baidu. Ranked #83 of 354 with a Noometry Index of 43.8. Scores, sources and comparisons.
- Canonical page: https://noometry.com/models/ernie-5-1
- Last updated: 2026-10-10
- Title: ERNIE 5.1 Benchmarks, Price & Rank (October 2026) | Noometry

ERNIE 5.1 by Baidu ranks 83rd of 354 ranked models on the Noometry Index as of October 2026, with a score of 43.8. Its strongest category is multilingual, where it ranks 29th.

Last verified October 10, 2026

## Specifications

- **Noometry rank:** #83 of 354
- **Index score:** 43.8
- **Evidence:** Confirmed 19 results
- **Provider:** [![](/logos/baidu.svg) Baidu](https://noometry.com/providers/baidu)
- **Released:** Unknown
- **Weights:** Unknown
- **Reasoning:** Unknown
- **Context window:** —
- **Max output:** —
- **Input price:** Not listed
- **Output price:** Not listed
- **Blended price:** Not listed
- **Output speed:** Not measured
- **Value:** Not ranked
- **Knowledge cutoff:** Unknown

## Category scores

Each category score combines every public result we have in that category.

ERNIE 5.1 category scores

1.  Coding 44.0
2.  Reasoning 21.9
3.  Math 40.3
4.  Knowledge 41.9
5.  Multilingual 55.5
6.  Instruction Following 76.7
7.  Long Context 44.7
8.  Writing & Preference 65.1
9.  020406080

ERNIE 5.1 category ranks
| Category | Score | Rank | Results |
| --- | --- | --- | --- |
| [Coding](https://noometry.com/best/coding) | 44.0 | #76 | 1 |
| [Reasoning](https://noometry.com/best/reasoning) | 21.9 | #211 | 2 |
| [Math](https://noometry.com/best/math) | 40.3 | #92 | 1 |
| [Knowledge](https://noometry.com/best/knowledge) | 41.9 | #102 | 1 |
| [Multilingual](https://noometry.com/best/multilingual) | 55.5 | #29 | 1 |
| [Instruction Following](https://noometry.com/best/instruction-following) | 76.7 | #37 | 1 |
| [Long Context](https://noometry.com/best/long-context) | 44.7 | #59 | 1 |
| [Writing & Preference](https://noometry.com/best/writing) | 65.1 | #52 | 3 |

## Strengths and weaknesses

Categories where ERNIE 5.1 places highest and lowest among the models ranked in each, with its score against that category's median.

### Strongest categories

ERNIE 5.1: strongest categories
| Category | Score | vs median | Rank |
| --- | --- | --- | --- |
| [Multilingual](https://noometry.com/best/multilingual) | 55.5 | +8.1 | #29 of 297, top 10% |
| [Instruction Following](https://noometry.com/best/instruction-following) | 76.7 | +5.5 | #37 of 305, top 13% |
| [Writing & Preference](https://noometry.com/best/writing) | 65.1 | +11.3 | #52 of 312, top 17% |

### Weakest categories

ERNIE 5.1: weakest categories
| Category | Score | vs median | Rank |
| --- | --- | --- | --- |
| [Reasoning](https://noometry.com/best/reasoning) | 21.9 | −1.7 | #211 of 350, top 61% |
| [Knowledge](https://noometry.com/best/knowledge) | 41.9 | +4.6 | #102 of 314, top 33% |
| [Math](https://noometry.com/best/math) | 40.3 | +3.7 | #92 of 327, top 29% |

## Closest competitors

The models ranked just above and below ERNIE 5.1. When scores are this close, price and speed are often the better way to choose.

Models ranked closest to ERNIE 5.1
| Model | Rank | Score | Blended $/M | Speed |  |
| --- | --- | --- | --- | --- | --- |
| [Hy3](https://noometry.com/models/hy3) | #79 | 44.2 | $0.14 | — | [Compare](https://noometry.com/compare/ernie-5-1-vs-hy3) |
| [Inkling](https://noometry.com/models/inkling) | #80 | 44.1 | $2.57 | — | [Compare](https://noometry.com/compare/ernie-5-1-vs-inkling) |
| [Claude Sonnet 4.5](https://noometry.com/models/claude-sonnet-4-5) | #81 | 44.1 | $6 | 85 | [Compare](https://noometry.com/compare/claude-sonnet-4-5-vs-ernie-5-1) |
| [Chatgpt 4o Latest 20250326](https://noometry.com/models/chatgpt-4o) | #82 | 43.8 | — | 21 | [Compare](https://noometry.com/compare/chatgpt-4o-vs-ernie-5-1) |
| [GLM-5V-Turbo](https://noometry.com/models/glm-5v-turbo) | #84 | 43.8 | $1.90 | — | [Compare](https://noometry.com/compare/ernie-5-1-vs-glm-5v-turbo) |
| [MiniMax-M3](https://noometry.com/models/minimax-m3) | #85 | 43.8 | $0.52 | — | [Compare](https://noometry.com/compare/ernie-5-1-vs-minimax-m3) |
| [Grok 4.3](https://noometry.com/models/grok-4-3) | #86 | 43.8 | $1.56 | — | [Compare](https://noometry.com/compare/ernie-5-1-vs-grok-4-3) |
| [Qwen3 Max](https://noometry.com/models/qwen3-max) | #87 | 43.7 | $2.40 | 48 | [Compare](https://noometry.com/compare/ernie-5-1-vs-qwen3-max) |

Sponsored placements are available on pages like this one. [Advertise on Noometry](https://noometry.com/advertise)

## Benchmark results

Every published result we track, with its source. Bold rows are the ones used for ranking; where several exist we prefer independent runs over self-reported numbers.

### Coding

ERNIE 5.1 Coding benchmark results
| Benchmark | Score | Position | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- |
| [LMArena Coding](https://noometry.com/benchmarks/arena-coding) | 1488 | #33 of 294, top 12% |  | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-08 |

### Agentic & Tool Use

ERNIE 5.1 Agentic & Tool Use benchmark results
| Benchmark | Score | Position | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- |
| [LMArena Search](https://noometry.com/benchmarks/arena-search) | 1227 | #6 of 32, top 19% |  | [LMArena](https://lmarena.ai/leaderboard/search) | 2026-08-24 |

### Reasoning

ERNIE 5.1 Reasoning benchmark results
| Benchmark | Score | Position | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- |
| [NYT Connections (extended)](https://noometry.com/benchmarks/nyt-connections) | 23.4% | #78 of 91, top 86% |  | [Lech Mazur benchmarks](https://github.com/lechmazur/nyt-connections) |  |
| [LMArena Hard Prompts](https://noometry.com/benchmarks/arena-hard-prompts) | 1481 | #32 of 297, top 11% |  | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-08 |

### Math

ERNIE 5.1 Math benchmark results
| Benchmark | Score | Position | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- |
| [LMArena Math](https://noometry.com/benchmarks/arena-math) | 1481 | #27 of 285, top 10% |  | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-08 |

### Knowledge

ERNIE 5.1 Knowledge benchmark results
| Benchmark | Score | Position | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- |
| [LMArena Expert](https://noometry.com/benchmarks/arena-expert) | 1492 | #29 of 273, top 11% |  | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-08 |

### Multilingual

ERNIE 5.1 Multilingual benchmark results
| Benchmark | Score | Position | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- |
| [LMArena Non-English](https://noometry.com/benchmarks/arena-non-english) | 1454 | #29 of 297, top 10% |  | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-08 |
| [LMArena Chinese](https://noometry.com/benchmarks/arena-chinese) | 1508 | #39 of 285, top 14% |  | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-08 |
| [LMArena French](https://noometry.com/benchmarks/arena-french) | 1488 | #22 of 223, top 10% |  | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-08 |
| [LMArena German](https://noometry.com/benchmarks/arena-german) | 1470 | #27 of 231, top 12% |  | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-08 |
| [LMArena Japanese](https://noometry.com/benchmarks/arena-japanese) | 1422 | #37 of 211, top 18% |  | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-08 |
| [LMArena Korean](https://noometry.com/benchmarks/arena-korean) | 1427 | #31 of 213, top 15% |  | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-08 |
| [LMArena Russian](https://noometry.com/benchmarks/arena-russian) | 1459 | #34 of 283, top 13% |  | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-08 |
| [LMArena Spanish](https://noometry.com/benchmarks/arena-spanish) | 1473 | #18 of 226, top 8% |  | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-08 |

### Instruction Following

ERNIE 5.1 Instruction Following benchmark results
| Benchmark | Score | Position | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- |
| [LMArena Instruction Following](https://noometry.com/benchmarks/arena-instruction-following) | 1460 | #33 of 298, top 12% |  | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-08 |

### Long Context

ERNIE 5.1 Long Context benchmark results
| Benchmark | Score | Position | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- |
| [LMArena Longer Query](https://noometry.com/benchmarks/arena-longer-query) | 1462 | #41 of 291, top 15% |  | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-08 |

### Writing & Preference

ERNIE 5.1 Writing & Preference benchmark results
| Benchmark | Score | Position | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- |
| [LMArena Text](https://noometry.com/benchmarks/arena-text) | 1468 | #29 of 297, top 10% |  | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-08 |
| [LMArena Creative Writing](https://noometry.com/benchmarks/arena-creative-writing) | 1441 | #36 of 295, top 13% |  | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-08 |
| [LMArena Multi-Turn](https://noometry.com/benchmarks/arena-multi-turn) | 1471 | #30 of 295, top 11% |  | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-08 |

## Compare ERNIE 5.1

-   [ERNIE 5.1 vs Chatgpt 4o Latest 20250326](https://noometry.com/compare/chatgpt-4o-vs-ernie-5-1)
-   [ERNIE 5.1 vs GLM-5V-Turbo](https://noometry.com/compare/ernie-5-1-vs-glm-5v-turbo)
-   [ERNIE 5.1 vs Claude Sonnet 4.5](https://noometry.com/compare/claude-sonnet-4-5-vs-ernie-5-1)
-   [ERNIE 5.1 vs MiniMax-M3](https://noometry.com/compare/ernie-5-1-vs-minimax-m3)
-   [ERNIE 5.1 vs Inkling](https://noometry.com/compare/ernie-5-1-vs-inkling)
-   [ERNIE 5.1 vs Grok 4.3](https://noometry.com/compare/ernie-5-1-vs-grok-4-3)
-   [ERNIE 5.1 vs GPT-6 Astra](https://noometry.com/compare/ernie-5-1-vs-gpt-6-astra)
-   [ERNIE 5.1 vs Claude Fable 5.1](https://noometry.com/compare/claude-fable-5-1-vs-ernie-5-1)
-   [ERNIE 5.1 vs Gemini 3.8 Flash](https://noometry.com/compare/ernie-5-1-vs-gemini-3-8-flash)
-   [ERNIE 5.1 vs Kimi K3](https://noometry.com/compare/ernie-5-1-vs-kimi-k3)
-   [ERNIE 5.1 vs Grok 4.6](https://noometry.com/compare/ernie-5-1-vs-grok-4-6)
-   [ERNIE 5.1 vs Qwen3.8 Max](https://noometry.com/compare/ernie-5-1-vs-qwen3-8-max)
-   [ERNIE 5.1 vs GLM-5.3](https://noometry.com/compare/ernie-5-1-vs-glm-5-3)
-   [ERNIE 5.1 vs Muse Spark 1.3](https://noometry.com/compare/ernie-5-1-vs-muse-spark-1-3)

## Other Baidu models

-   [ERNIE 5.0 0110](https://noometry.com/models/ernie-5-0)41.8

## Frequently asked questions

### How good is ERNIE 5.1?

ERNIE 5.1 by Baidu ranks 83rd of 354 ranked models on the Noometry Index as of October 2026, with a score of 43.8. Its strongest category is multilingual, where it ranks 29th.

### Is ERNIE 5.1 open source?

Baidu has not published downloadable weights for ERNIE 5.1 that we can confirm.

### What are ERNIE 5.1's strengths and weaknesses?

Relative to other ranked models, ERNIE 5.1 places best in multilingual, instruction following, writing & preference and lowest in reasoning, knowledge, math.

### What is ERNIE 5.1 best at?

Its best category is multilingual, where it ranks 29th on Noometry.

### Cite this page

Noometry. (2026). ERNIE 5.1 benchmarks and pricing. Retrieved October 10, 2026, from https://noometry.com/models/ernie-5-1

Quote Noometry with a link back to this page. It is also available in [Markdown](https://noometry.com/md/models/ernie-5-1.md).