Gemini 4 Argon
Claude Opus 5.5
Muse Wonder
MiMo-V2.6-Pro
Qwen3.8-Max
Kimi K3
GLM-5.3
GPT-5.5
DeepSeek-V4.1-Flash-20260910
Grok 4.20 Beta
amazon-nova-experimental-chat
Dola Seed 2.0 Pro
NVIDIA-Nemotron-3-Ultra-550B-A55B
Gemma 4 31B
Step 5 Preview
ERNIE 5.1
ERNIE 5.1 is a proprietary model from Baidu. It ranks #34 of 351 on the LMArena text leaderboard with a rating of 1468.
LMArena text1468−0 in 30 days
Rank#34/351
95% interval1463–1472
Votes39.5K
- Developer
- Baidu
- Released
- Apr 29, 2026
- Context window
- —
- Price in / out, per 1M tokens
- —
- Weights
- Proprietary
- Inputs
- —
- Reasoning
- —
- Tool use
- —
LatestERNIE 5.1 1468
The rating LMArena published at each update since Apr 29, 2026. Ratings move as votes come in and new models join.
LMArena, by category
| Leaderboard | Rating | Rank | Votes |
|---|---|---|---|
| TextLMArena | 1468 | 34 / 351 | 39.5K |
| CodingLMArena | 1488 | 39 / 346 | 10.9K |
| MathLMArena | 1482 | 32 / 339 | 2K |
| Creative writingLMArena | 1441 | 42 / 349 | 6.5K |
| Instruction followingLMArena | 1460 | 41 / 351 | 12.7K |
| Hard promptsLMArena | 1481 | 37 / 351 | 25.7K |
| Multi-turnLMArena | 1470 | 36 / 349 | 6.8K |
| Long queriesLMArena | 1462 | 49 / 330 | 16.7K |
| ExpertLMArena | 1491 | 35 / 305 | 3.7K |
| Legal and governmentIndustries | 1468 | 43 / 325 | 3.1K |
| Medicine and healthcareIndustries | 1487 | 20 / 325 | 2.9K |
| Business and financeIndustries | 1473 | 19 / 344 | 7.8K |
| ChineseLanguages | 1507 | 45 / 328 | 2.1K |
| SpanishLanguages | 1473 | 25 / 249 | 1.3K |
| GermanLanguages | 1470 | 31 / 261 | 748 |
| FrenchLanguages | 1487 | 29 / 252 | 1.5K |
| JapaneseLanguages | 1423 | 51 / 236 | 515 |
LMArena, CC BY 4.0, as of Oct 22, 2026. Where a model is rated at several effort levels, its best is shown.
Compare ERNIE 5.1
Baidu
China’s search leader builds the ERNIE family of models. Founded 2000, based in Beijing. yiyan.baidu.com
Questions
Who makes ERNIE 5.1?
ERNIE 5.1 is made by Baidu, founded 2000 and based in Beijing.
How does ERNIE 5.1 rank?
#34 of 351 on LMArena’s text leaderboard, rated 1468 (95% interval 1463–1472) from 39,474 votes, as of Oct 22, 2026.
Is ERNIE 5.1 open source?
No. ERNIE 5.1 is proprietary and served through its provider’s API.