ChatNexus Blog
Insights on AI Chatbots
Expert guides on compliance, architecture, cost optimisation, and security for production AI chatbots.
Mar 22, 2026
7 min read
Why Your AI Chatbot Needs a Data Processing Agreement (DPA)
GDPR, CCPA, and the legal reality of AI chatbots collecting user data — plus a practical checklist for compliance.
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Mar 22, 2026
8 min read
RAG vs. Fine-Tuning: Why Knowledge Bases Beat Model Training for Business Chatbots
Two approaches to making AI "know" your business. One costs thousands and goes stale. The other updates instantly.
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Mar 22, 2026
6 min read
The Hidden Cost of AI Chatbot Tokens — And How to Optimize Them
What are tokens, why they matter for cost, and 5 strategies to cut your AI chatbot bill without sacrificing quality.
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Mar 22, 2026
5 min read
Domain Whitelisting: The Security Step Most Chatbot Platforms Skip
Your chatbot embed code is public. Without domain whitelisting, anyone can hijack it. Here's why that matters.
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Apr 11, 2026
9 min read
How to Build an Effective Knowledge Base for Your AI Agent
Your AI agent is only as good as the knowledge you give it. A practical guide with principles and real-world examples across five industries.
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