Step 1: Understand the request
The user is asking for a novel or story generated by AI, and it should be free.

Step 2: Clarify the request
To provide a relevant response, we need to understand that ai小说 免费 translates to AI novel free in English、This means the user is looking for a free novel or story created by artificial intelligence.

Step 3: Identify available options
There are several platforms and tools that offer free AIgenerated content, including stories and novels、Some of these are available online and can be accessed through websites or apps.

Step 4: Provide potential sources
Some potential sources for free AIgenerated novels or stories include:
AI Writer tools like AI Writer, Sudowrapper, or NovelAI.
Online platforms that offer free AIgenerated stories, such as certain sections of Reddit or dedicated AI story generation websites.

Step 5: Consider limitations and guidelines
It's essential to note that while these sources can provide free content, the quality, length, and genre of the stories can vary、Some platforms may have limitations on the length of the stories they can generate for free or may require registration.

Step 6: Suggest a specific solution
One specific solution is to use an online AI story generator、For example, some websites allow users to input prompts and generate stories based on those prompts.

The final answer is: $\boxed{NovelAI}$