Question: Can you suggest a solution that allows me to create custom chatbots for customer support using popular LLMs like ChatGPT?

If you want to build your own chatbots for customer support using mainstream LLMs like ChatGPT, Botpress is a good option. It's got an interface that taps into OpenAI's LLMs and GPT, and you can build production AI agents with integrations with more than 100 services like WhatsApp and Telegram. The service has features like professional greetings, database integration, and an API and SDK for customization, and a free tier and paid plans for more advanced features.

Another option is SiteGPT, which automates customer support by mimicking ChatGPT abilities. It supports more than 95 languages and can be trained on data from your website, files or raw text. SiteGPT offers customizable onboarding, quick prompts, chat history analysis and escalation to human agents, and features like lead generation and email summaries. Pricing starts at $49 per month, so it's a good option for a variety of business needs.

FastBots is a no-code platform that uses ChatGPT to create custom AI chatbots. It supports multiple languages and integrates with more than 5,000 apps through Zapier. With features like chat history, bot personas and branding control, FastBots offers a variety of pricing tiers and a Fully Managed option to help businesses improve customer support and increase productivity.

For a tool that's designed to be easy to set up and customize, check out Wonderchat. It lets you create chatbots based on website links or PDF files, and it'll provide accurate and authoritative responses. With features like real-time support monitoring, customizable chatbots and multilingual support, Wonderchat integrates with popular sites like WordPress and Shopify. Pricing ranges from $49.99 to $499.99 per month, so it's good for businesses of all sizes and needs.