Explore the fundamentals of forming chains in Langchain using OpenAI GPT-3 API in this 13-minute tutorial video. Learn how to construct chains with multiple LLM calls, incorporating multi-input and multi-output functionality. Discover the process of implementing streaming responses in Langchain. Follow along as the video covers simple LLM chains, multi-LLM chains with streaming responses, and multi-LLM chains with multi-input and output. Gain insights through a comprehensive code review and final thoughts on Langchain chains and chaining. Access additional resources, including relevant Langchain documentation and a dedicated Discord community, to further enhance your understanding of this powerful language model tool.