GPT-6 Luna vs GLM 5.3 Flash: the cost of saying too much
GLM 5.3 Flash supported 96% of its claims, yet only five of 21 conversations were clean. The difference exposes a blind spot in how teams measure agent reliability.
Mattias Lagergren
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Mattias
A better model can make your agent worse
A stronger model with higher scores looks like a free upgrade, until the agent that worked last week starts getting things wrong, quietly. Here is what happened when we ran one agent on two frontier models and changed nothing else.
Voxli
The Risks of Agent Speculation
It's no surprise that hallucinations are a common known failure during agentic AI testing. The agent starts to overpromise, begins to fabricate answers and even claims that it…
Voxli