What Is a System Prompt — and Why Does It Matter?
A system prompt is the hidden instruction an AI company sets before every conversation begins. Here's what it contains, how it differs from what you type, and why it matters.
Read more →Context Engineering
Context engineering is the practice of managing everything an AI model sees when it generates a response — instructions, memory, retrieved documents, and tool outputs — not just the prompt itself. As AI agents take on longer, multi-step tasks, deciding what enters the context window, and what stays out, has become as important as the model’s underlying capabilities. This hub covers the techniques, tools, and tradeoffs behind building reliable AI systems this way.
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Anthropic Cuts Claude Code's System Prompt by 80% for Newer Models
Anthropic says it removed more than 80% of Claude Code's system prompt for its Opus 5 and Fable 5 models, betting that newer models need less scripted guidance, not more.
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What Is Context Engineering — and How Does It Differ From Prompting?
Context engineering is the practice of managing everything an AI model sees — instructions, memory, tools, retrieved data — not just the prompt. Here's what it means and why it matters for AI agents.
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