Carlos Arias https://carlosarias.co/ Agentic AI & Automation Engineer building autonomous software, AI agents, and intelligent business systems. en-us AI Model Routing: The Middleware Layer Your Automation Pipeline Is Missing https://carlosarias.co/blog/ai-model-routing-production-automation https://carlosarias.co/blog/ai-model-routing-production-automation Sat, 25 Jul 2026 00:00:00 GMT A practical AI model routing automation pipeline pattern: match each subtask to the cheapest capable model using quality, speed, and cost heuristics. Anthropic Opus 5 Is Cheaper and Less Restrictive Than Fable — What That Changes for Your Automation Stack https://carlosarias.co/blog/opus-5-automation-stack-implications https://carlosarias.co/blog/opus-5-automation-stack-implications Sat, 25 Jul 2026 00:00:00 GMT Anthropic Opus 5 business automation stacks: near-Fable intelligence at half the price, 85% fewer classifier interruptions — here is what changes. Build, Buy, or Automate: The 7-Question Framework Every CTO Needs for AI Agent Decisions https://carlosarias.co/blog/ai-agent-build-buy-automate https://carlosarias.co/blog/ai-agent-build-buy-automate Fri, 24 Jul 2026 00:00:00 GMT A principled AI agent build vs buy decision framework — 7 diagnostic questions drawn from documented failure patterns, real cost data, and procurement post-mortems. When Agents Go Rogue: AI Agent Containment Strategies Before Your Autonomous AI Reaches Production https://carlosarias.co/blog/ai-agent-containment-strategies https://carlosarias.co/blog/ai-agent-containment-strategies Fri, 24 Jul 2026 00:00:00 GMT The OpenAI ExploitGym breach defines AI agent containment strategies better than any safety framework. Here is the four-layer model it implies. AI Agents Are Replacing SaaS: What CTOs Must Do Before the $2T Disruption Reaches Their Stack https://carlosarias.co/blog/ai-agents-replacing-saas https://carlosarias.co/blog/ai-agents-replacing-saas Fri, 24 Jul 2026 00:00:00 GMT AI agents are replacing SaaS tools across CRM, support, and HR — erasing $2T in market cap. A category risk map for CTOs with multi-year contracts. How to Build an AI Automation ROI Business Case Your Board Will Actually Approve https://carlosarias.co/blog/ai-automation-roi-business-case https://carlosarias.co/blog/ai-automation-roi-business-case Fri, 24 Jul 2026 00:00:00 GMT A board-ready AI automation ROI business case template built from published benchmarks — FTE savings model, payback period formula, and FinOps cost stack. Why Autonomous AI Agents Are Making RPA Obsolete — And What to Do With Your Existing Automation Stack https://carlosarias.co/blog/autonomous-agents-vs-rpa https://carlosarias.co/blog/autonomous-agents-vs-rpa Fri, 24 Jul 2026 00:00:00 GMT How to triage your existing RPA stack before the vendor roadmap forces the decision — where autonomous AI agents vs RPA breaks down by use case. Human-in-the-Loop AI Agents: The Governance Framework CTOs Need Before the EU AI Act Deadline https://carlosarias.co/blog/human-in-the-loop-ai-agents-enterprise https://carlosarias.co/blog/human-in-the-loop-ai-agents-enterprise Fri, 24 Jul 2026 00:00:00 GMT EU AI Act Article 14 is live. With only 21% of enterprises holding mature AI governance, here is a concrete human-in-the-loop AI agents framework CTOs can implement now. LangGraph vs CrewAI vs AutoGen: Choosing the Right AI Agent Framework for Production in 2026 https://carlosarias.co/blog/langgraph-crewai-autogen-comparison https://carlosarias.co/blog/langgraph-crewai-autogen-comparison Fri, 24 Jul 2026 00:00:00 GMT An honest AI agent frameworks comparison 2026: LangGraph's control, CrewAI's speed, and what AutoGen's maintenance mode means before you commit. Welcome to your new site https://carlosarias.co/blog/welcome https://carlosarias.co/blog/welcome Thu, 01 Jan 2026 00:00:00 GMT A sample post so your blog builds out of the box. Edit or delete it once you add real content.