# VerifierBench: Benchmarking the Generation of Executable Verifiers for LLM Agents > Source: > Published: 2026-10-22 17:30:55+00:00 Agents need reliable ways to validate their outputs, both when completing tasks and when filtering synthetic training data. We study verifier generation: from the instruction and environment available for solving a task, an agent writes an executable verifier that must accept every valid solution an