I’ve recently started working more closely in the AI field, and the speed at which this industry is evolving has really caught my attention. As a developer, what interests me most is that AI is no longer simply about asking a chatbot a question and receiving an answer. We are moving toward a new stage where AI can reason, use tools, interact with software, and complete multi-step tasks on behalf of users. This transition from AI assistance to AI execution may be one of the most important technology shifts happening right now. The rise of AI agents For the last few years, generative AI was largely centered around prompts: write an email, summarize a document, generate some code, or answer a question. That is changing quickly. Companies are now building agents that can work across applications, retrieve information, modify files, execute workflows, and complete longer-running tasks with human supervision. Recent enterprise data from OpenAI illustrates how quickly this is happening. As of June 2026, agentic AI accounted for 64% of combined ChatGPT and Codex output tokens among its enterprise customers. Agent usage is also expanding beyond engineering into areas such as sales, recruiting, legal, and marketing. For developers, I think this changes the opportunity significantly. The question is becoming less: “How can I add AI to my application?” and more: “What complete workflow can AI take responsibility for?” Companies are investing enormous amounts in AI infrastructure Another thing that stands out is the scale of investment. AI requires GPUs, data centers, networking, storage, electricity, and increasingly specialized infrastructure. Gartner expects worldwide spending on AI-optimized infrastructure-as-a-service to reach about $42 billion in 2026, up 96%, with inference spending surpassing training spending this year. The biggest technology companies are investing at an even larger scale. TrendForce estimates that combined 2026 capital expenditure from nine major cloud and technology companies—including Google, Amazon, Meta, Microsoft, Oracle, Alibaba, Tencent, Baidu, and ByteDance—will exceed $886 billion. But this also creates pressure. Investors are increasingly asking whether this massive infrastructure spending will translate into sustainable revenue and profits. Recent reporting shows that companies are taking on substantially more debt to finance AI infrastructure, meaning the industry is moving from pure excitement toward a stronger focus on economics and returns.