What 11 big tech companies actually do with AI in 2026 (a layered, numbers-first breakdown)

Intro: why "are you using AI?" is suddenly hard to answer honestly I keep having this conversation lately, both inside and outside work. "How are you using AI?" "Mostly Claude Code and Cursor. Hooked our internal wiki up over MCP too." "Yeah, same here." That's where it stops. We can both say "the tools are installed" without flinching. But beyond that, the second you ask what actually changed, or how it shows up in any organizational number , the answers thin out fast. Every engineer I know is