AI Safety
Anthropic’s New Prompting Guide Reads Like Our Pitch Deck
Anthropic just shipped a fresh prompting guide for its newest model lineup — Claude Opus 5, Sonnet 5, Fable 5, and the rest of the current generation. It’s…
From The Journal
Anthropic just shipped a fresh prompting guide for its newest model lineup — Claude Opus 5, Sonnet 5, Fable 5, and the rest of the current generation. It’s…
Anthropic and OpenAI love to talk about their ever-growing context windows, but rarely talk about their account memory — because account memory is very limited. The problem is…
Anthropic, the company behind Claude, is unusual among AI labs: it publishes its own failures. In June 2025 it ran a study called Agentic Misalignment — frontier models…