A prompt is the input or instruction given to an artificial intelligence model, such as a text query or command, that guides the system’s response. In generative AI, prompts play a central role in shaping the quality, tone, and accuracy of the output produced by models like large language models (LLMs). Effective prompting requires clarity, context, and structure to help the AI interpret user intent accurately. Prompts can range from simple questions to complex multi-step instructions that guide reasoning, creativity, or analysis. The practice of refining and optimizing these inputs, known as prompt engineering, is key to unlocking more precise and useful AI-generated results.
H2O.ai’s 2026 AI 100 recognizes model builders, researchers and business leaders, with honorees spanning nearly 90 organizations worldwide.
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Anthropic’s new policy bans extreme, repeated abuse of Claude from November 12, while excluding ordinary frustration, disagreement, fiction and testing.
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