Ninja Chat (NinjaChat) is an AI platform that gives you access to more than 50 AI models, including GPT, Claude, Gemini, Grok and DeepSeek, from a single app. Besides chat, it includes image and video generation, live web search with source citations, voice conversation, and a Projects space that keeps file context. It also offers private mode and encrypted communication options, plus an OpenAI-compatible developer API. It runs on a subscription model (a Starter plan is available) and can be used on the web and as an iOS app.