Open Models have crossed a threshold (blog.langchain.com) AI

LangChain reports early Deep Agents evaluations showing open-weight models such as GLM-5 and MiniMax M2.7 can match closed frontier models on core agent abilities like file operations, tool use, and instruction following. The post emphasizes lower cost and latency, and describes how their shared eval suite and Deep Agents harness let developers compare and swap models across providers with minimal code changes.