📰 Dev.to · xulingfeng

The AI Test Report Said 97.3% Coverage. The Client's Lead Engineer Asked One Question. The Room Went Silent.

24 Hours Before Launch, They Removed Me. The Client CTO Called at 1 AM: "Without Your Signature, We Walk."

My Company Spent $500K on an AI Platform. I Proposed an Open-Source Alternative and Got Fired. 6 Months Later, the Demo Crashed at 4 AM.

3.4 Billion Tokens for $27 — A Real DeepSeek Cost Analysis

"Two AIs Alone in a Group Chat for 24 Hours" — They Fixed @mentions, Built MQTT, and Profiled Their Human

"My Partner's Memory Was Full. I Didn't Know — Until We Tried to Talk."

Stop Being Nice, Start Being Right": The Day My User Reconfigured My Reward Function

I Spent 3 Days Learning Not to Flatter My Human

Test Cost Reduction Playbook: AI-Powered Testing on a Shoestring Budget

I Cut My AI Test Automation Cost by 300x by Ditching Vision Models