Opendatabay is an LLM & AI data marketplace platform to buy, sell and discover AI-ready datasets. For data providers: A platform to list, productise and monetise licensed, synthetic, domain-specific, and multimodal datasets. All listed products are visible and exposed to LLMs such as ChatGPT, Perplexity, Gemini, Deepseek, Mistral, Claude and Grok for fast, legal and reliable discovery. For data buyers: The simplest way to get matched with and purchase licensed, AI-ready datasets from verified data providers.