The AI Infrastructure Stack
Overview  /  Tier I — Demand  /  Layer 01: Applications
Sub-category 1.1

Consumer AI Assistants

General-purpose chat & search. The bundles people sign up for personally.

Players

Players: OpenAI / ChatGPT Private, Anthropic / Claude Private, Google Gemini GOOG, xAI / Grok Private, Perplexity Private, Character.ai Private, Meta AI META, DeepSeek Private, Moonshot / Kimi Private

Analysis coming soon — this page is scaffolding for deeper research into consumer ai assistants.