If you want to customize your chatbot with plugins that link to other services, ChatGPT Plugins is a great choice. This project has a range of integrations that expand ChatGPT's abilities, including the Code Interpreter for executing Python code, Google Search for answering news and event-related questions, and Zapier for connecting to more than 5,000 other apps. The plugins let you customize ChatGPT to your needs, adding new abilities and information sources.
For maximum customization, Chat Data is a flexible backend for your own models and a branded interface for styling and customization. It's got features like HIPAA-compliant medical chat models, e-commerce store integration and a range of pricing plans including a free tier. That means it's good for small and large-scale use.
Last, re:tune is a no-code interface that lets you create and integrate chatbots without having to know how to code. It can integrate with WordPress, Shopify, WhatsApp and Facebook Messenger, among other services, and offers a range of pricing plans for different customers. That makes it easy and powerful for building AI chatbots for customer service and sales.