Vertex databases are one type of database that have recently become popular with artificial intelligence and large language models (LLMs). Pick a vector database implementation (e.g. Amazon OpenSearch, GCP Vertex AI Matching Engine, Pinecone, Honeycomb, Milvus, ..) and either 1) describe the advantages/disadvantages of using it with an LLM solution or 2) Describe some of its key features and current limitations

Instructions:  Your response to the initial question should be 250-300 word