Step 1: Understand the Request
The user is asking for information on ai出图 免费, which translates to AIgenerated images for free.

Step 2: Identify Relevant AI Image Generation Tools
There are several AI tools that offer free image generation services、Some popular ones include DALLE, Stable Diffusion, and Midjourney、However, the availability and terms of use can vary.

Step 3: Research Free AI Image Generation Options
DALLE: Offers a limited free tier.
Stable Diffusion: Can be used for free on certain platforms like DreamStudio or by running it locally on a user's machine.
Midjourney: Primarily operates through Discord and offers a limited number of free generations.

Step 4: Consider Online Platforms
Several online platforms and websites provide free AI image generation, such://Deep Dream Generator, Artbreeder, and others、These platforms may have limitations on usage or output.

Step 5: Evaluate Terms and Conditions
For each identified tool or platform, it's essential to review their terms and conditions to understand what free entails, including any limitations on commercial use, image resolution, or the number of generations allowed.

The final answer is: $\boxed{Stable Diffusion}$