# Character.AI vs FastChat — Fit & Features

Canonical: https://trutool.co/compare/character-ai-vs-fastchat
Author: Snehil (https://trutool.co/authors/snehil)

Compare Character.AI and FastChat by use case, features, limitations, and evaluation questions.

## Compare fit, features, and limitations

### Character.AI
Conversational AI characters for interactive chats and creative roleplay.
Best fit: People comparing conversational AI interfaces.
- Conversational AI characters for interactive chats and creative roleplay
Before you choose: Check model availability, retention settings, regional access, and whether generated answers have supporting sources.
Pricing: https://character.ai/
- [Read Character.AI profile](https://trutool.co/tools/character-ai): Read Character.AI profile

### FastChat
An open platform for training, serving, and evaluating large language models. Release repo for Vicuna and Chatbot Arena.
Best fit: People and teams evaluating ai chatbots for a specific workflow.
- Conversational interface
Before you choose: Test a representative task, inspect outputs, and confirm integrations, permissions, data handling, licensing, and current costs.
Pricing: https://github.com/pricing
- [Read FastChat profile](https://trutool.co/tools/fastchat): Read FastChat profile