Comparisons
Weigh similar tools and how to choose between them
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· Doc version 1.0
Dropping LangChain — LiteLLM + LangGraph wired by hand vs create_agent
Every tutorial agent builds its loop with one create_agent line. We peel back the three layers that line hides, then wire the same loop with just LiteLLM and LangGraph — no LangChain.
langchain litellm langgraph architecture
· Doc version 1.0
Langfuse vs LangSmith: choosing an LLM observability stack
Both trace, evaluate, and monitor LLM agents — but they differ on hosting, openness, and ecosystem. Here's how to choose.
observability eval comparison