Diffusion Chat is a conversational AI tool with a unique functionality that allows communication directly with latent space.

Latent space refers to the abstract space in which AI algorithms operate and draw from to generate outputs.

In a more tangible sense, Diffusion Chat works by adding modifiers and negative prompts to the data generation process.

The application of this AI tool has significance in situations where inputs need alterations or prompts need to be negated to produce a specific or desired output.

Its functionality extends to handling images with its capacity to deal with different image sizes.

The tool's interface has a 'Surprise Me' feature which can help users who are unsure of what to initiate the AI interaction with.

However, it does not store prompts, hence each time users want to effect changes, new prompts are required.

The potential applications of this tool could be immense, spanning various areas that requires bespoke data manipulation and generation, including but not limited to the anime industry where the example has been mentioned.