langgraph/docs/docs/agents/streaming.md

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Streaming

Streaming is key to building responsive applications. There are a few types of data you’ll want to stream:

1. Agent progress — get updates after each node in the agent graph is executed.
2. LLM tokens — stream tokens as they are generated by the language model.
3. Custom updates — emit custom data from tools during execution (e.g., "Fetched 10/100 records")

You can stream more than one type of data at a time.

{: style="max-height:300px"}

Waiting is for pigeons.

Additional resources

• Streaming in LangGraph