OpenAI's flagship conversational AI for writing, reasoning, and analysis.
Best AI tools for customer support
Customer support AI is split between general-purpose chat models (ChatGPT, Claude, Gemini) that teams hook into help-desks, and purpose-built conversational AI products (Character AI, Pi). For knowledge-base style support, NotebookLM and the Documents & PDFs tools turn long docs into instant answers.
Anthropic's AI assistant — nuanced writing, long context, and top-ranked coding.
Chat with any PDF document.
Inflection's empathetic conversational AI companion.
Chat with millions of user-created AI characters.
AI companion focused on emotional connection and roleplay.
Alibaba's open-source Qwen models in a free chat interface.
AI for analyzing technical and legal documents.
Google's multimodal AI integrated with Workspace and real-time search.
Open-weight reasoning models from China with free chat access.