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AI Tools for Professionals
Master the best AI tools to 10x your productivity at work — from writing and research to coding and design.
ChatGPT API Masterclass
Learn to build production-ready AI applications using the OpenAI API. From basic completions to function calling and RAG.
Claude Certified Architect: Foundations Exam Prep
Free course to pass Anthropic's Claude Certified Architect, Foundations exam. Build a production Claude app for an EdTech company across 8 sections and 23 lessons.
n8n Workflow Automation
Build powerful automated workflows without code. Connect apps, trigger actions, and automate repetitive tasks using n8n.
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Latest Articles
Gemini Decisions API Explained: Cheap Routing, Tool Selection and Grading for AI Agents
Google's Gemini Decisions API uses a model that writes zero text, scoring up to 1,000 yes/no, choice, and rubric questions per call at $0.10/M tokens.
Jane Street's Socratic Tutor Skill: Setup for Claude Code
Jane Street open-sourced a single SKILL.md file that turns Claude Code into a strict Socratic tutor. Here's how the skill map, diagnostic, and final exam work, and how to install it.
Gemini 4 Hydrogen: Cheaper Than Argon, and the New Antigravity Orchestrator
Gemini 4 Hydrogen costs $1.50/$7.50 per million tokens, beats Argon's intelligence score, and runs Orchestrator in Antigravity. Here's what's true and what's hype.
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The n8n course saved me hours every week. I automated my client onboarding in a single afternoon.
Priya S.
Freelance Designer
Finally, an AI course that skips the fluff. I built a working WhatsApp chatbot before finishing the first module.
Arjun M.
Software Developer
Clear explanations, real projects. Coderefer made automation feel approachable even for a non-coder like me.
Kavitha R.
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