# Baidu — ERNIE-5.1-Preview Tops LMArena Text Leaderboard as No.1 Chinese Model!

- Company: Baidu (baidu.com)
- Announced: 2026-04-30T00:00:00+00:00
- Category: new-model
- Subject: ERNIE
- Models affected: ERNIE-5.1-Preview
- Source: https://ernie.baidu.com/blog/posts/ernie-5.1-preview-0430-release-on-lmarena/
- Record: https://forck.live/items/4641-ernie-5-1-preview-tops-lmarena-text-leaderboard-as-no-1-chinese-model

Baidu announced that ERNIE-5.1-Preview topped the LMArena Text leaderboard as the No. 1 Chinese model and achieved high rankings in several category leaderboards. The model compresses parameters compared to ERNIE-5.0 using a decoupled fully-asynchronous reinforcement learning and scaled agentic post-training approach, resulting in improved foundational capabilities and cost-effectiveness at a reduced pre-training cost.

## Evidence

Verbatim from https://ernie.baidu.com/blog/posts/ernie-5.1-preview-0430-release-on-lmarena/:

> ERNIE-5.1-Preview ranked No. 1 among Chinese models and No. 13 globally on the LMArena Text leaderboard

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