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Why AI Agents Fail in Production — and How I Fixed Each Failure

The contrarian take: most agent failures are not the model's fault. They are architectural. Here is what I have debugged in real deployments and the exact fix for each.

  • Agents fail in production due to architectural problems, not model issues
  • Seven specific failure modes identified and fixed in article
  • Clear theory of when to stop prevents agent decision of its own meaning of done

AI

12 executives who left OpenAI in 2026

OpenAI continues to experience significant executive turnover in 2026, with key figures like Brad Lightcap and Fidji Simo stepping down.

  • Denise Dresser, chief revenue officer, left OpenAI in August 2026
  • Brad Lightcap, senior executive since 2018, departed in August 2026
  • Fidji Simo, applications CEO, stepped down in July 2026 due to health

AI

Chinese doctor stuns maths world by cracking decades-old problem using ChatGPT

When Beijing-based neurosurgeon Jin Shanmu pulled up a chair at his computer, he was not looking to make mathematical history. He was simply trying to crack a problem related to brain ultrasounds. Instead, the self-taught maths enthusiast, with help from OpenAI’s latest flagship artificial intelligence (AI) model, solved a two-decade-old…

AI

Writer introduces new AI model and upgraded harness to contain token costs

Built as a post-training variation on Z.ai's open source model GLM-5.2, Writer says the new system should provide deployment-ready capabilities at a much lower price.

  • Writer launches Palmyra X6 model to reduce AI deployment costs
  • Upgraded harness infrastructure claims 50% cost reduction for basic tasks
  • Harness optimization strategy cuts average costs by 40% compared to model changes

AI

AI Helped Me Build a Killer Drone

Can an average guy build a killer drone in his garage? That’s the question reporter Matt Smith set out to answer over the course of 11 months, armed with zero engineering background and only a handful…

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