Baidu Qianfan Review: Pricing & Comparison

Baidu Qianfan: One of China’s Largest Open AI Platforms

Baidu’s Qianfan large-model platform (qianfan.baidubce.com) is Baidu’s AI API service for enterprises and developers. It brings together Baidu’s in-house ERNIE model family and mainstream open-source models, and is a core piece of Baidu’s commercial AI strategy in China.

For enterprise users who need the backing of a major domestic tech company, Baidu Qianfan offers a clear procurement path: a Baidu Cloud account, API key, invoice, contract — a complete enterprise procurement process, where compliance matters a great deal for government/enterprise projects.

ERNIE: The Foundation of Chinese-Language Understanding

Baidu Qianfan’s core models are the ERNIE series, which have some edge in Chinese-language understanding and content generation. From the original ERNIE Bot to the current ERNIE 4.0 series, Baidu Qianfan has kept iterating on its in-house models.

Beyond the ERNIE series, Baidu Qianfan also integrates mainstream open-source models like Llama 3 and Qwen on the platform, giving developers more choice — meaning you can access both proprietary and open-source models with the same API key, cutting the engineering cost of switching between models.

Fine-Tuning and Knowledge-Base Customization

What sets Baidu Qianfan apart from pure relay platforms is support for model fine-tuning:

• Upload a labeled dataset
• Run SFT (supervised fine-tuning) on top of an ERNIE base model
• Deploy a dedicated model endpoint

This has real value for vertical-industry users (legal, healthcare, finance, education) who need to build proprietary AI capabilities. Baidu Qianfan’s built-in knowledge-base management feature also offers a managed document-vectorization service for RAG applications, cutting down the engineering work of building your own RAG pipeline.

Enterprise Procurement Essentials

Supporting services Baidu Qianfan offers to enterprises:

Need	Baidu Qianfan’s support
Contract/invoice	Issued officially by Baidu Cloud; corporate wire transfer supported
Data security	Private-deployment option (Baidu Cloud dedicated zone)
SLA	99.9% API availability commitment
Support	Dedicated enterprise account manager + technical support

How to Connect

Baidu Qianfan is compatible with the OpenAI protocol format:

import openai

client = openai.OpenAI(
    api_key="your Baidu Qianfan API key",
    base_url="https://qianfan.baidubce.com/v2"
)

response = client.chat.completions.create(
    model="ernie-4.0-turbo-8k",
    messages=[{"role": "user", "content": "Write a summary of a business analysis report, in Chinese"}]
)

Getting an API key: log into qianfan.baidubce.com → Console → Create Application.

Good Fit / Poor Fit

Good fit: government/enterprise projects (needing the backing of a major domestic tech company), Chinese-language vertical applications (needing fine-tuning), Baidu Cloud ecosystem users Poor fit: users chasing top-tier model performance (Claude/GPT are stronger), individual developers doing low-cost testing

Other official APIs worth a look: Alibaba Cloud Bailian’s Qwen series, Zhipu AI’s GLM series.

Information verified 2026-07-04. Model versions and pricing follow live information on the Baidu Qianfan official site.

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