AI evals are becoming the new compute bottleneck
AI evaluation costs are skyrocketing, with single agent benchmark runs costing tens of thousands of dollars, and their inherent complexity makes them hard to compress, creating a new compute bottleneck for AI development.
Hugging Face Blog · Apr 30, 2026
Human judgment in the agent improvement loop
LangChain argues that building reliable AI agents requires systematically integrating domain experts' tacit knowledge and judgment throughout the development lifecycle, rather than relying solely on the model's own capabilities.
LangChain Blog · Apr 9, 2026
Agent Evaluation Readiness Checklist
LangChain proposes a 6-point checklist before building agent evaluations, emphasizing manual analysis of 20-50 real failure traces before automating tests.
LangChain Blog · Mar 27, 2026