A Field Guide to the Big Three

Claude, ChatGPT and Gemini built the same product three times over: a chat layer for thinking, an agent that finishes work, and a tool that builds systems. Which layer you need matters more than which logo.

WHAT'S INSIDE

• The three layers each company built, and what actually separates them
• The question that picks your tool, instead of "which one is best"
• Who leads where, with reported claims marked apart from tested ones