Cristhian Villegas — Engineering Blog https://blog.iamcristhian.dev Articles about tech, programming, entertainment & more — by Cristhian Villegas. en-us Wed, 15 Jul 2026 22:46:49 GMT <![CDATA[GPT-5.5 and Codex in 2026: pros, cons, pricing and performance (no hype)]]> https://blog.iamcristhian.dev/2026/05/gpt-5-5-codex-advantages-disadvantages-pricing https://blog.iamcristhian.dev/2026/05/gpt-5-5-codex-advantages-disadvantages-pricing Sun, 03 May 2026 03:46:28 GMT IA y Machine Learning <![CDATA[GPT-5.5 y Codex en 2026: ventajas, desventajas, precios y rendimiento (sin hype)]]> https://blog.iamcristhian.dev/2026/05/gpt-5-5-codex-ventajas-desventajas-precios https://blog.iamcristhian.dev/2026/05/gpt-5-5-codex-ventajas-desventajas-precios Sun, 03 May 2026 03:45:29 GMT IA y Machine Learning <![CDATA[Keycloak with Docker Compose: multi-tenant by realm]]> https://blog.iamcristhian.dev/2026/04/keycloak-docker-compose-multi-tenant-mx-ver-lerdo-en https://blog.iamcristhian.dev/2026/04/keycloak-docker-compose-multi-tenant-mx-ver-lerdo-en Thu, 16 Apr 2026 01:01:33 GMT DevOps <![CDATA[Keycloak con Docker Compose: multi-tenant por realm]]> https://blog.iamcristhian.dev/2026/04/keycloak-docker-compose-multi-tenant-mx-ver-lerdo https://blog.iamcristhian.dev/2026/04/keycloak-docker-compose-multi-tenant-mx-ver-lerdo Thu, 16 Apr 2026 01:01:24 GMT DevOps <![CDATA[Why AI Is Making People Lazier in 2026: A Technical, Level-Headed Look]]> https://blog.iamcristhian.dev/2026/04/ai-cognitive-laziness-2026 https://blog.iamcristhian.dev/2026/04/ai-cognitive-laziness-2026 Mon, 13 Apr 2026 16:54:03 GMT AI <![CDATA[Por qué la IA está volviendo más perezosas a las personas en 2026: una mirada técnica]]> https://blog.iamcristhian.dev/2026/04/ia-pereza-cognitiva-2026 https://blog.iamcristhian.dev/2026/04/ia-pereza-cognitiva-2026 Mon, 13 Apr 2026 16:53:48 GMT AI <![CDATA[AI Has Already Replaced 78,000 Tech Workers in 2026 — And It's Just Getting Started]]> https://blog.iamcristhian.dev/2026/04/tech-layoffs-ai-automation-78000-workers-2026 https://blog.iamcristhian.dev/2026/04/tech-layoffs-ai-automation-78000-workers-2026 Fri, 10 Apr 2026 15:48:09 GMT AI <![CDATA[La IA ya reemplazó a 78,000 trabajadores tech en 2026 — y esto apenas comienza]]> https://blog.iamcristhian.dev/2026/04/despidos-tech-ia-78000-trabajadores-2026 https://blog.iamcristhian.dev/2026/04/despidos-tech-ia-78000-trabajadores-2026 Fri, 10 Apr 2026 15:48:09 GMT AI <![CDATA[Anthropic Hits $350 Billion Valuation — And Employees Won't Sell Their Shares]]> https://blog.iamcristhian.dev/2026/04/anthropic-350-billion-valuation-employees-2026 https://blog.iamcristhian.dev/2026/04/anthropic-350-billion-valuation-employees-2026 Fri, 10 Apr 2026 15:48:04 GMT AI <![CDATA[Anthropic vale $350,000 millones y sus empleados se niegan a vender acciones]]> https://blog.iamcristhian.dev/2026/04/anthropic-valoracion-350-mil-millones-2026 https://blog.iamcristhian.dev/2026/04/anthropic-valoracion-350-mil-millones-2026 Fri, 10 Apr 2026 15:48:04 GMT AI <![CDATA[AWS rompe récords: la IA ya le genera más de $15,000 millones al año]]> https://blog.iamcristhian.dev/2026/04/aws-ia-ingresos-15-mil-millones-2026 https://blog.iamcristhian.dev/2026/04/aws-ia-ingresos-15-mil-millones-2026 Fri, 10 Apr 2026 15:47:58 GMT Cloud <![CDATA[AWS Shatters Records: AI Revenue Blows Past $15 Billion Run Rate]]> https://blog.iamcristhian.dev/2026/04/aws-ai-revenue-15-billion-2026 https://blog.iamcristhian.dev/2026/04/aws-ai-revenue-15-billion-2026 Fri, 10 Apr 2026 15:47:58 GMT Cloud <![CDATA[OpenAI Wants Everyday Investors to Own a Piece of the AI Revolution]]> https://blog.iamcristhian.dev/2026/04/openai-ipo-retail-investors-2026 https://blog.iamcristhian.dev/2026/04/openai-ipo-retail-investors-2026 Fri, 10 Apr 2026 15:47:51 GMT AI <![CDATA[OpenAI quiere que cualquier persona pueda invertir en su salida a bolsa]]> https://blog.iamcristhian.dev/2026/04/openai-ipo-inversores-minoristas-2026 https://blog.iamcristhian.dev/2026/04/openai-ipo-inversores-minoristas-2026 Fri, 10 Apr 2026 15:47:51 GMT AI <![CDATA[Anthropic Built an AI So Powerful They Refused to Release It]]> https://blog.iamcristhian.dev/2026/04/anthropic-mythos-ai-too-powerful-to-release-2026 https://blog.iamcristhian.dev/2026/04/anthropic-mythos-ai-too-powerful-to-release-2026 Fri, 10 Apr 2026 15:47:45 GMT AI <![CDATA[Anthropic creó una IA tan poderosa que decidió no lanzarla al público]]> https://blog.iamcristhian.dev/2026/04/anthropic-mythos-ia-demasiado-poderosa-2026 https://blog.iamcristhian.dev/2026/04/anthropic-mythos-ia-demasiado-poderosa-2026 Fri, 10 Apr 2026 15:47:45 GMT AI <![CDATA[3 formas en que las empresas están usando IA para ser más rentables en 2026]]> https://blog.iamcristhian.dev/2026/04/3-formas-empresas-usando-ia-rentabilidad-2026 https://blog.iamcristhian.dev/2026/04/3-formas-empresas-usando-ia-rentabilidad-2026 Thu, 09 Apr 2026 22:15:26 GMT Architecture <![CDATA[3 Ways Companies Are Using AI to Be More Profitable in 2026]]> https://blog.iamcristhian.dev/2026/04/3-ways-companies-using-ai-profitability-2026 https://blog.iamcristhian.dev/2026/04/3-ways-companies-using-ai-profitability-2026 Thu, 09 Apr 2026 22:15:19 GMT Architecture <![CDATA[Los 7 mejores modelos de IA para razonamiento avanzado en 2026]]> https://blog.iamcristhian.dev/2026/04/mejores-modelos-ia-razonamiento-avanzado-2026 https://blog.iamcristhian.dev/2026/04/mejores-modelos-ia-razonamiento-avanzado-2026 Thu, 09 Apr 2026 01:30:00 GMT Architecture <![CDATA[The 7 Best AI Models for Advanced Reasoning in 2026]]> https://blog.iamcristhian.dev/2026/04/best-ai-models-advanced-reasoning-2026 https://blog.iamcristhian.dev/2026/04/best-ai-models-advanced-reasoning-2026 Thu, 09 Apr 2026 01:29:51 GMT Architecture <![CDATA[10 Formas Prácticas de Reducir tu Factura de AWS en 2026]]> https://blog.iamcristhian.dev/2026/04/10-formas-practicas-reducir-factura-aws-2026 https://blog.iamcristhian.dev/2026/04/10-formas-practicas-reducir-factura-aws-2026 Wed, 08 Apr 2026 16:54:21 GMT Cloud <![CDATA[10 Practical Ways to Reduce Your AWS Bill in 2026]]> https://blog.iamcristhian.dev/2026/04/10-practical-ways-reduce-aws-bill-2026 https://blog.iamcristhian.dev/2026/04/10-practical-ways-reduce-aws-bill-2026 Wed, 08 Apr 2026 16:54:08 GMT Cloud <![CDATA[Serverless Technology: What It Is and Its Impact on Software Development]]> https://blog.iamcristhian.dev/2026/04/serverless-technology-what-it-is-impact-software-development https://blog.iamcristhian.dev/2026/04/serverless-technology-what-it-is-impact-software-development Tue, 07 Apr 2026 16:56:37 GMT Cloud <![CDATA[Tecnología Serverless: Qué es y su impacto en el desarrollo de software]]> https://blog.iamcristhian.dev/2026/04/tecnologia-serverless-que-es-impacto-desarrollo-software https://blog.iamcristhian.dev/2026/04/tecnologia-serverless-que-es-impacto-desarrollo-software Tue, 07 Apr 2026 16:56:28 GMT Cloud <![CDATA[OpenCode: Advanced Configuration and MCP Servers]]> https://blog.iamcristhian.dev/2026/04/opencode-advanced-configuration-mcp-servers https://blog.iamcristhian.dev/2026/04/opencode-advanced-configuration-mcp-servers Mon, 06 Apr 2026 20:37:12 GMT DevOps <![CDATA[OpenCode: Configuración avanzada y servidores MCP]]> https://blog.iamcristhian.dev/2026/04/opencode-configuracion-avanzada-servidores-mcp https://blog.iamcristhian.dev/2026/04/opencode-configuracion-avanzada-servidores-mcp Mon, 06 Apr 2026 20:37:04 GMT DevOps <![CDATA[OpenCode Skills and Custom Agents: A Practical Guide]]> https://blog.iamcristhian.dev/2026/04/opencode-skills-custom-agents-practical-guide https://blog.iamcristhian.dev/2026/04/opencode-skills-custom-agents-practical-guide Mon, 06 Apr 2026 20:36:54 GMT DevOps <![CDATA[Skills y Agentes personalizados en OpenCode: guía práctica]]> https://blog.iamcristhian.dev/2026/04/skills-agentes-personalizados-opencode-guia-practica https://blog.iamcristhian.dev/2026/04/skills-agentes-personalizados-opencode-guia-practica Mon, 06 Apr 2026 20:36:45 GMT DevOps <![CDATA[What is OpenCode? Complete Installation and Getting Started Guide]]> https://blog.iamcristhian.dev/2026/04/what-is-opencode-installation-getting-started-guide https://blog.iamcristhian.dev/2026/04/what-is-opencode-installation-getting-started-guide Mon, 06 Apr 2026 20:36:36 GMT DevOps <![CDATA[¿Qué es OpenCode? Guía completa de instalación y primeros pasos]]> https://blog.iamcristhian.dev/2026/04/que-es-opencode-guia-instalacion-primeros-pasos https://blog.iamcristhian.dev/2026/04/que-es-opencode-guia-instalacion-primeros-pasos Mon, 06 Apr 2026 20:36:26 GMT DevOps <![CDATA[Intel vs AMD vs Apple: The Processor Showdown in April 2026]]> https://blog.iamcristhian.dev/2026/04/intel-vs-amd-vs-apple-processor-showdown-2026 https://blog.iamcristhian.dev/2026/04/intel-vs-amd-vs-apple-processor-showdown-2026 Mon, 06 Apr 2026 19:30:04 GMT Hardware <![CDATA[Intel vs AMD vs Apple: Comparativa de Procesadores en Abril 2026]]> https://blog.iamcristhian.dev/2026/04/intel-vs-amd-vs-apple-comparativa-procesadores-2026 https://blog.iamcristhian.dev/2026/04/intel-vs-amd-vs-apple-comparativa-procesadores-2026 Mon, 06 Apr 2026 19:29:53 GMT Hardware <![CDATA[JWT in Spring Boot 3 Course #4: Custom Claims, RBAC and Production Security]]> https://blog.iamcristhian.dev/2026/04/jwt-spring-boot-3-course-claims-rbac-production https://blog.iamcristhian.dev/2026/04/jwt-spring-boot-3-course-claims-rbac-production Mon, 06 Apr 2026 16:36:44 GMT Cursos <![CDATA[Curso JWT en Spring Boot 3 #4: Claims Personalizados, RBAC y Seguridad en Producción]]> https://blog.iamcristhian.dev/2026/04/curso-jwt-spring-boot-3-claims-rbac-produccion https://blog.iamcristhian.dev/2026/04/curso-jwt-spring-boot-3-claims-rbac-produccion Mon, 06 Apr 2026 16:36:36 GMT Cursos <![CDATA[JWT in Spring Boot 3 Course #3: JTI, Redis Blacklisting and Token Revocation]]> https://blog.iamcristhian.dev/2026/04/jwt-spring-boot-3-course-jti-blacklist-redis https://blog.iamcristhian.dev/2026/04/jwt-spring-boot-3-course-jti-blacklist-redis Mon, 06 Apr 2026 16:36:28 GMT Cursos <![CDATA[Curso JWT en Spring Boot 3 #3: JTI, Blacklisting con Redis y Revocación de Tokens]]> https://blog.iamcristhian.dev/2026/04/curso-jwt-spring-boot-3-jti-blacklist-redis https://blog.iamcristhian.dev/2026/04/curso-jwt-spring-boot-3-jti-blacklist-redis Mon, 06 Apr 2026 16:36:20 GMT Cursos <![CDATA[JWT in Spring Boot 3 Course #2: Refresh Tokens and Secure Rotation]]> https://blog.iamcristhian.dev/2026/04/jwt-spring-boot-3-course-refresh-tokens-rotation https://blog.iamcristhian.dev/2026/04/jwt-spring-boot-3-course-refresh-tokens-rotation Mon, 06 Apr 2026 16:36:12 GMT Cursos <![CDATA[Curso JWT en Spring Boot 3 #2: Refresh Tokens y Rotación Segura]]> https://blog.iamcristhian.dev/2026/04/curso-jwt-spring-boot-3-refresh-tokens-rotacion https://blog.iamcristhian.dev/2026/04/curso-jwt-spring-boot-3-refresh-tokens-rotacion Mon, 06 Apr 2026 16:36:01 GMT Cursos <![CDATA[JWT in Spring Boot 3 Course #1: Fundamentals and Initial Setup]]> https://blog.iamcristhian.dev/2026/04/jwt-spring-boot-3-course-fundamentals-setup https://blog.iamcristhian.dev/2026/04/jwt-spring-boot-3-course-fundamentals-setup Mon, 06 Apr 2026 16:35:53 GMT Cursos <![CDATA[Curso JWT en Spring Boot 3 #1: Fundamentos y Configuración Inicial]]> https://blog.iamcristhian.dev/2026/04/curso-jwt-spring-boot-3-fundamentos-configuracion https://blog.iamcristhian.dev/2026/04/curso-jwt-spring-boot-3-fundamentos-configuracion Mon, 06 Apr 2026 16:35:42 GMT Cursos <![CDATA[WebAssembly Garbage Collection (WasmGC): Soporte Completo en Navegadores en 2026]]> https://blog.iamcristhian.dev/2026/04/webassembly-garbage-collection-soporte-navegadores-2026 https://blog.iamcristhian.dev/2026/04/webassembly-garbage-collection-soporte-navegadores-2026 Mon, 06 Apr 2026 15:39:41 GMT Frontend <![CDATA[WebAssembly Garbage Collection (WasmGC): Full Browser Support in 2026]]> https://blog.iamcristhian.dev/2026/04/webassembly-garbage-collection-browser-support-2026 https://blog.iamcristhian.dev/2026/04/webassembly-garbage-collection-browser-support-2026 Mon, 06 Apr 2026 15:39:33 GMT Frontend <![CDATA[The Most Advanced LLMs in 2026 — Rankings, Benchmarks & How to Choose]]> https://blog.iamcristhian.dev/2026/04/best-llm-2026-rankings-benchmarks-comparison https://blog.iamcristhian.dev/2026/04/best-llm-2026-rankings-benchmarks-comparison Mon, 06 Apr 2026 05:21:49 GMT AI <![CDATA[Los LLM más avanzados de 2026 — Ranking, benchmarks y cuál elegir]]> https://blog.iamcristhian.dev/2026/04/mejores-llm-2026-ranking-benchmarks-comparativa https://blog.iamcristhian.dev/2026/04/mejores-llm-2026-ranking-benchmarks-comparativa Mon, 06 Apr 2026 05:21:42 GMT AI <![CDATA[OpenCode vs OpenClaw vs Claude Code: AI Coding Tools Comparison 2026]]> https://blog.iamcristhian.dev/2026/04/opencode-vs-openclaw-vs-claude-code-comparison-2026 https://blog.iamcristhian.dev/2026/04/opencode-vs-openclaw-vs-claude-code-comparison-2026 Mon, 06 Apr 2026 03:15:27 GMT DevOps <![CDATA[OpenCode vs OpenClaw vs Claude Code: Comparativa de Herramientas de Codigo IA 2026]]> https://blog.iamcristhian.dev/2026/04/opencode-vs-openclaw-vs-claude-code-comparativa-2026 https://blog.iamcristhian.dev/2026/04/opencode-vs-openclaw-vs-claude-code-comparativa-2026 Mon, 06 Apr 2026 03:15:23 GMT DevOps <![CDATA[What is MCP? Complete Guide to the Model Context Protocol]]> https://blog.iamcristhian.dev/2026/04/what-is-mcp-model-context-protocol-guide https://blog.iamcristhian.dev/2026/04/what-is-mcp-model-context-protocol-guide Mon, 06 Apr 2026 03:14:44 GMT Architecture <![CDATA[¿Que son los MCP? Guia Completa del Model Context Protocol]]> https://blog.iamcristhian.dev/2026/04/que-son-mcp-model-context-protocol-guia https://blog.iamcristhian.dev/2026/04/que-son-mcp-model-context-protocol-guia Mon, 06 Apr 2026 03:14:40 GMT Architecture <![CDATA[Oracle Lays Off 30,000 Employees to Fund Its AI Expansion]]> https://blog.iamcristhian.dev/2026/04/oracle-lays-off-30000-employees-ai-expansion-2026 https://blog.iamcristhian.dev/2026/04/oracle-lays-off-30000-employees-ai-expansion-2026 Mon, 06 Apr 2026 02:52:55 GMT Cloud <![CDATA[Oracle despide a 30,000 empleados para financiar su expansion en IA]]> https://blog.iamcristhian.dev/2026/04/oracle-despide-30000-empleados-expansion-ia-2026 https://blog.iamcristhian.dev/2026/04/oracle-despide-30000-empleados-expansion-ia-2026 Mon, 06 Apr 2026 02:52:51 GMT Cloud