Big Data and Microservices
Aug 25, 2026 · Artificial Intelligence
From Tool Loops to Agent Runtimes: How AI Agent Architecture Is Evolving
The article traces the shift from simple ReAct loops that embed tool calls within a single model iteration to modern Agent Runtime systems that add persistent state, sandboxed execution, failure recovery, and human approval layers, comparing the capabilities introduced by OpenAI, LangGraph, Microsoft, AWS, and Anthropic platforms.
AI AgentsAgent RuntimeLong-Running Tasks
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