ERNIE 4.5 21B A3B

About ERNIE 4.5 21B A3B

ERNIE 4.5 is Baidu's advanced language model, representing significant improvements in reasoning and capability. Building on the ERNIE architecture, it delivers strong performance on complex tasks with particular strength in Chinese language understanding. ERNIE 4.5 features an extended context window and excels at analysis, content generation, and technical tasks. The model integrates with Baidu's cloud ecosystem for enterprise deployment. It's particularly valuable for applications serving Chinese-speaking markets and scenarios requiring deep Chinese cultural understanding. For organizations seeking capable AI from China's leading search company, ERNIE 4.5 offers specialized capability.

Model Specifications

💰 Real-World Cost Examples

Estimated monthly costs for common use cases

Baidu Model Lineup

Compare all models from Baidu to find the best fit

Similar Models from Other Providers

Cross-brand alternatives with similar capabilities

Devstral Small 1.1

Mistral

Input: $0.07

Output: $0.28

Context: 128k

Spotlight

Other

Input: $0.18

Output: $0.18

Context: 131k

Llama Guard 4 12B

Meta

Input: $0.18

Output: $0.18

Context: 164k

Qwen3 Coder 30B A3B Instruct

Alibaba Qwen

Input: $0.07

Output: $0.27

Context: 160k

💡 Cheaper Alternatives

Cross Brand

🚀 Quick Start

Get started with ERNIE 4.5 21B A3B API

from openai import OpenAI

client = OpenAI(
    base_url="https://api.provider.com/v1",
    api_key="YOUR_API_KEY"
)

response = client.chat.completions.create(
    model="baidu/ernie-4.5-21b-a3b",
    messages=[
        {"role": "user", "content": "Hello!"}
    ]
)
print(response.choices[0].message.content)

Continue Your Decision