LangChain 0.3.0: Parallel Tool Execution in LangGraph Agents
Imagine you're building an agent that needs to answer a complex query like "What's the weather in New York, the current stock price of AAPL, and a quick math calculation on projected revenue?" In pre-0.3 LangGraph setups, your agent would invoke tools sequentially—first weather API, then stock fetch, then calculator—leading to unnecessary delays stacking up to seconds or even minutes in multi-turn reasoning loops.
January 25, 2026 (last month) Ler mais →
