Expired60% confidenceFactExact time
Invoking a large model uses the invoke method, which returns an object of type AIMessage with the result in Markdown format text.
2
Sources
60%
Confidence
Medium-term (~90 days)
Relevance
7/9/2026
First Seen
Valid until: 10/7/2026(expired)
Sources
LangChain Hands-On Guide: From LLM Calls to Agent Development
bilibili今天AI了吗7/8/2026
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