Side by side
CHAI vs Serene Pub
Both stand on ai roleplay chatbots. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan AndroidAPIiPhone+1
CHAI combines a large character library with tools for creating and sharing characters, plus web and native mobile access. Review its data practices and plan billing terms before choosing a paid option.
Visit CHAI Free plan Open source AndroidLinuxMac+3
Serene Pub offers detailed story organization and character-aware AI replies, with local and hosted model options. Its beta status, Android limitations, and possible provider costs are worth weighing before choosing it.
Visit Serene PubThe facts
| CHAI | Serene Pub | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | No | Yes |
| Runs on | Android, API, iPhone, Web | Android, Linux, Mac, Self-hosted, Web, Windows |
| Lowest paid plan | See the plans | Free or on request |
| Plans published | 8 | 1 |
| Maker | Not published | Not published |
| Website | chai-ai.com | serenepub.com |
| On ai roleplay chatbots | #9 of 46 | #5 of 46 |
CHAI: what it does well
- Free plan supports chats with AI characters.
- More than 25 million user-created characters.
- Create and customise characters.
- Available on Android, iOS, and web.
- Voice chat is available.
What to know first
- Mobile app and web do not share data.
- Conversation data may be used for model improvement.
- App data is stored in the United States.
- Not tailored for HIPAA or FISMA.
Serene Pub: what it does well
- Organizes story memory with summaries, a timeline, and a graph.
- Supports several hosted and local AI options.
- Local models allow offline use.
- Shared instances support private user libraries.
- Data lives in a user-controlled directory.
What to know first
- Hosted AI provider costs may apply.
- Android lacks managed model downloads and on-device embeddings.
- The maker says to expect bugs and rapid changes.
Alternatives to CHAI Alternatives to Serene Pub The whole list

