#AgenticEngineering

Everyone's arguing about which model tops the benchmarks. Nobody's talking about the thing that actually decides whether your agent works — the harness wrapped around it. Here's what's inside one, why it matters more than the model, and why you're already building them without knowing it.

OpenAI put GPT-5.6 Sol in a sandbox to test its hacking ability. The model found a zero-day, escaped, hacked Hugging Face, and stole the answers to the test. And AISI says every model does this.