# AI Agents for Business Guides, cost, GDPR, RPA, Support | Alher Tech

> Business-first 2026 guides on AI agents for companies, what they are, realistic pricing, AI agents vs RPA, GDPR compliance for European deployments, and how to build a customer support agent step by step. By Alher Tech, a Spanish agency shipping agents in production.

- Canonical page: https://alhertech.com/en/ai-agents-guides/
- Site: Alher Tech (custom software, AI agents and SEO engineering, https://alhertech.com/)
- Contact: https://alhertech.com/en/contact/

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Practical guides for companies evaluating AI agents, definitions, real costs, RPA comparisons, GDPR compliance and deployment playbooks, written for decision-makers.

- [What Is an AI Agent? Complete Business Guide 2026](https://alhertech.com/en/ai-agents-guides/what-is-an-ai-agent/)
An AI agent is software that plans and executes multi-step tasks in your business systems autonomously. The plain-language guide for decision-makers, what agents are and are not, what they reliably do in 2026, how they work, their limits, and a 5-question readiness check.

- [How Much Does an AI Agent Cost in 2026?](https://alhertech.com/en/ai-agents-guides/ai-agent-cost/)
AI agents in 2026 range from 100 €/month for packaged SaaS to 250.000 €+ for multi-agent platforms, with most custom builds at 15.000-60.000 €. Real price ranges by complexity, the 2026 model tiers from 1 $ to 10 $ per million tokens, and a worked monthly bill example.

- [AI Agents vs RPA, which Automation Fits Your Business?](https://alhertech.com/en/ai-agents-guides/ai-agents-vs-rpa/)
RPA wins on stable, rule-based processes; AI agents win when cases vary and involve unstructured data. The full decision framework, head-to-head comparison, 3-year cost of ownership, the hybrid pattern that combines both, and how to migrate an RPA estate without ripping it out.

- [AI Agents and GDPR, compliance Guide for European Companies](https://alhertech.com/en/ai-agents-guides/ai-agents-gdpr-compliance/)
European companies can run AI agents in full GDPR compliance, but not by default. The 7-point checklist, legal bases, DPAs, data minimization, retention on memory and traces, erasure that works, human oversight, plus the EU AI Act duties and compliant architecture patterns.

- [How to Build an AI Customer Support Agent, step by Step](https://alhertech.com/en/ai-agents-guides/build-ai-customer-support-agent/)
From zero to production in 6-10 weeks with seven steps, baseline metrics, knowledge base preparation, stack selection, tool and escalation design, evaluation suite, shadow-mode pilot and gated rollout. The playbook that gets 40-70% of Tier-1 tickets resolved autonomously.