#agent-evals

A popular `r/LocalLLaMA` post highlighted YC-Bench, an evaluation where models run a simulated startup for a year under delayed feedback and adversarial clients. The benchmark's standout result is that only three of twelve tested models consistently beat the starting capital, with GLM-5 coming close to Claude Opus 4.6 at far lower cost.

OpenAI announced plans to acquire Promptfoo on March 9, 2026. The company says Promptfoo’s security testing and evaluation technology will be integrated into OpenAI Frontier so enterprises can test and document risks such as prompt injection, jailbreaks, data leaks, and tool misuse earlier in the development cycle.