Guide to OpenAI's Assistants API v2: stateful conversational AI with Code Interpreter, File Search and function calling, vector stores for RAG up to 10,000 files, thread and run lifecycle management, and streaming, using the Node.js SDK or plain fetch. Notes the planned H1 2026 sunset and the migrat
Guide to OpenAI's Assistants API v2: stateful conversational AI with Code Interpreter, File Search and function calling, vector stores for RAG up to 10,000 files, thread and run lifecycle management, and streaming, using the Node.js SDK or plain fetch. Notes the planned H1 2026 sunset and the migration path to the Responses API. Use when building stateful OpenAI chatbots, implementing RAG with vec