# Guides to AI agents in business

> Tutorials, comparisons and fundamentals on AI agents, on-premise AI and AI strategy — factual, sourced and with current version numbers.

Canonical URL: https://www.ruebstudio.de/en/guides

## Topics

- [AI agents by department](https://www.ruebstudio.de/en/guides/ai-agents-by-department.md): What AI agents actually take on in sales, service, quoting, procurement, HR, finance, quality, production and other departments — and how to build them.
- [Glossary](https://www.ruebstudio.de/en/glossary.md): Terms around AI agents, language models and on-premise AI — each with a short answer and links to go deeper.

## Recently updated

- [AI Quoting Agents: RFQs, Specifications and Cost Estimation](https://www.ruebstudio.de/en/guides/ai-agents-by-department/ai-quoting-agent-rfq.md): What an AI quoting agent does across RFQ intake, specification review and cost estimation in make-to-order firms, and how to introduce one safely.
- [What is an AI agent?](https://www.ruebstudio.de/en/glossary/ai-agent.md): AI agents explained: how a language model with tools and instructions completes multi-step tasks by itself, and how it differs from chatbots and workflows.