LangChain's evaluation results show that open-weight models GLM-5 and MiniMax M2.7 now match closed frontier models (Claude Opus, GPT-5.4, Gemini) on core agentic tasks including file operations, tool use, and instruction following — at 8–10x lower cost and significantly lower latency. The post details the eval methodology used
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Why open modelsHow we evaluatedFindings from our evalsUsing open models in Deep Agents SDKWhat’s nextSort: