NovelAI
character.ai
AI Game Master- Dungeon RPG
Wattpad
Friends & Fables
JanitorAI
ChatPlayground AI
Interactive fiction game using advanced AI with a massive deep neural network for limitless text adventures.

The modern platform for creating, sharing, and collaborating on AI prompts. Advanced version control and real-time testing.

Which is more popular?
Based on our record, AI Dungeon seems to be more popular. It has been mentioned 41 times since March 2021.
Website, pricing, platforms and company facts side by side.
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AID
AI Dungeon
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| Website | aidungeon.com | diffyn.com |
| Pricing | — | |
| Platforms | — | |
| Listed in |
What each product offers, as listed by its team.

Possible disadvantages
An editorial look at what each product does well and who it suits.

No analysis of AI Dungeon yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
AI Dungeon: Is Dragon mode worth it?
More videos
The Ultimate Prompt Tool for Creators – Visualize & Organize with Diffyn
How often each product is chosen within a category, 0–100% relative to the other.

As answered by people managing AI Dungeon and Diffyn.
Diffyn's answer:
Addresses workflow and change management on LLM prompts, provide teams with traceability and visualization of tests across multiple models, provide deeper understading into efficiency of these prompts.
Diffyn's answer:
Diffyn is the platform that specializes on both change management and multi-model analysis.
Diffyn's answer:
React, Next.js, POSTGRESQL
Diffyn's answer:
Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.
Diffyn's answer:
I started working on Diffyn when I notice that prompting has become an essential part of work across many industries. While there are version control platofrms like github, they are not designed for just prompt management are can be overkill such applications, it is also not integrated natively with various LLMs and relevant tools for users to validate ideas and visualise results properly.
Share your experience with using AI Dungeon and Diffyn. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

It's still running now: https://aidungeon.com/. - Source: Hacker News / over 2 years ago
The answer is yes. https://aidungeon.com/ This actually came out before chatGPT and it floored me. - Source: Hacker News / over 2 years ago
We found 3 games so far that have these options and could let us play around and explore different adventures for our characters that would be a part of the same world our main campaign is happening in, but sort of like happening in an... Source: almost 3 years ago
Tracking Diffyn since Jun 2025.
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