A system prompt is a set of instructions served to a chatbot ahead of a user’s messages that developers use to direct its responses. xAI and Anthropic are two of the only major AI companies we checked that have made their system prompts public. In the past, people have used prompt injection attacks to expose system prompts, like instructions Microsoft gave the Bing AI bot (now Copilot) to keep its internal alias “Sydney” a secret, and avoid replying with content that violates…
xAI posts Grok’s behind-the-scenes prompts
