Cluster nodes# Langchain nodes# Each cluster starts with a root node Agent Chain LLM Retrieval Q&A chain Summarize multiple documents Langchain code Model Vector nodes# OpenAI assistant FeatureBase Vector Store Vector Store in Memory Embeddings sub-nodes# One or more embedding sub-nodes can be attached to a Langchain root node. A# Anthropic chat model AWS bedrock AWS Bedrock chat model C# Chat messages retriever Cohere Cohere language model D# Default document loader G# Github document loader Google Palm Google Palm chat model Google Palm language model M# Mistral Cloud Mistral Cloud chat model Memory# Window buffer memory O# Ollama chat model Ollama language model OpenAI OpenAI chat model OpenAI language model Output# Auto fixing output parser Item list for output parser Output parser structure R# Retriever# Contextual compression retriever Multi-query retriever Vector store retriever Pathway retriever T# Text splitter# Character text splitter Recursive character text splitter Token text splitter Tools# Calculator Code tool Wikipedia tool WolframAlpha tool Pathway tool