7 stories
Enfim chegamos no terceiro e último post da série. Neste post vamos explorar a alma da palestrante virtual, isto é, a arquitetura que a faz funcionar. Introdução Nós vamos começar com um diagrama de alto nível que apresenta os principais componentes da arquitetura e, à medida que avançamos, vamos…
An agent keeps spending when a task goes wrong. A failed tool call can trigger another model call; a retry adds to the bill even if the user eventually gives up.
A Stablecoin Is Not a Royalty Model Stablecoins can move a royalty in seconds. They cannot tell you whether the royalty was fair. That distinction will matter more as AI agents begin buying data, content, APIs, and licensed creative assets without a human negotiating every transaction.
For the past few weeks I've been building Aegis-DevOps, an open-source check that sits in front of the shell commands an AI coding agent runs. Before Claude Code, Codex, Copilot, Cursor or Gemini CLI runs kubectl, terraform or aws, a hook hands the command to Aegis, and Aegis blocks it if your…
A model can perform well overall and still fail badly for a particular group. That is the central idea behind bias and variance questions on the AWS Certified AI Practitioner exam: training-versus-unseen performance reveals underfitting or overfitting, while differences between demographic groups…
Amazon Web Services has introduced cross-region inference for OpenAI's GPT-5.6 models on Amazon Bedrock, its managed model-hosting service. The feature automatically routes inference requests to whichever supported AWS region has available capacity, rather than forcing a customer's application to…
I have used CloudWatch Synthetics canaries on real projects, and honestly, they were good enough. Then AWS published synthetic monitoring with Amazon Nova Act, and it changed how I think about UI monitoring. The way we watch user journeys is shifting from selectors to sentences.
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