Pinecone offers a fully-managed vector database that enables businesses to create AI applications capable of storing and searching through vector embeddings. This technology helps applications like chatbots retrieve relevant information, allowing them to respond accurately to user queries. Pinecone's scalable model starts with a free plan and uses resource-based pricing, ensuring clients only pay for what they use. The goal is to simplify the development of AI-powered applications, making them accessible to a wide range of businesses without the need for extensive infrastructure management.