Pyyan / Language Models / ERNIE 5.1

ERNIE 5.1

Baidu's closed frontier tier.

currentBaidu ↗Verified 2026-08-13

API

only

Specifications

Licence	Proprietary
Released	8 May 2026

Official links

Baidu official site

What matters

ERNIE 4.5 is open; 5.x is API-only

Best for Chinese enterprise.

Compare with

All 5 side by side →

ERNIE 5.1 vs Claude Fable 5 →ERNIE 5.1 vs Claude Opus 5 →ERNIE 5.1 vs GPT-5.6 Sol →ERNIE 5.1 vs Gemini 3.1 Pro →ERNIE 5.1 vs Claude Sonnet 5 →

Also in Language Models

Claude Fable 5 · Anthropic Claude Opus 5 · Anthropic GPT-5.6 Sol · OpenAI Gemini 3.1 Pro · Google Claude Sonnet 5 · Anthropic