April 14, 2026—OpenAI officially confirms GPT-6 pretraining completed March 17, after 18 months. 5-6 trillion parameters (MoE), 2M token context, 200B activated. Greg Brockman: 'not incremental improvement, but a major change in how we think about model development.'
Models keep getting stronger, yet AI Agents still 'forget,' go out of bounds, and repeat mistakes in production. The problem isn't the model—it's how little engineering effort goes into the runtime environment. Harness Engineering, emerging in 2026, tries to fix this.
A practical OpenClaw operations guide based on official docs and sanitized production lessons across install paths, remote access, skills, security, and rollback.
