This article was originally published on BuildZn . Spent weeks battling flaky AI agents that just couldn't stick to the script. Multi-step tool use was a nightmare, constantly hallucinating API calls or just flat-out ignoring the defined tools. Everyone talks about the raw power of new open LLMs, but nobody benchmarks them for reliable agentic workflows. Turns out, GLM-5.2 for open agent benchmark testing drastically changed the game. The Agent Reliability Problem: Why Open ...