Botpress is a powerful chatbot builder that taps into OpenAI's Large Language Models and Generative Pre-trained Transformers. It offers more than 100 integrations with services like WhatsApp, Telegram and PostgreSQL, and has features like database synchronization for personalization and API and SDK for customization. It's got a free tier and scalable paid plans for bigger operations.
Another option is the AI Chat PowerBrain Assistant & AI Chatbot, which uses ChatGPT and GPT-4 to give quick answers and automate processes. It supports multiple languages and has advanced AI Vision abilities. It also has a free plan and tools to create custom conversational interfaces, making it a good option for improving customer support and user experience.
Chaindesk is a no-code platform to create custom AI chatbots trained on your business data. It automates customer support, lead generation and team workflows with Generative AI technology like GPT-4. It includes features like instant answers, omnichannel conversations and integration with various tools, and can be deployed to websites or other channels.