Evaluate coding agents with a purpose-built harness (DeepEval 4.0)
DeepEval·low signal
DeepEval 4.0 is positioned as an evaluation harness specifically for vibe-coding agents, extending LLM-as-judge scoring toward tool-use, trajectory, and regression checks rather than single-response grading. If you are shipping an agent, an off-the-shelf harness that scores multi-step traces in CI is faster than hand-rolling one. Single-source for now — verify the feature set against the docs before adopting.