Overview
Chat with GPT-4, Claude, Gemini, DeepSeek, Grok and Qwen — all in one place. Compare answers side-by-side and find the best response every time. No more switching between apps. No accounts, no API keys, no setup. Just download and go.
Features
Multi-Model Chat
Chat with GPT-4, Claude, Gemini, DeepSeek, Grok and Qwen. Switch models mid-conversation with a single tap.
Side-by-Side Compare
Send the same prompt to two models at once and pick the winner. Watch both stream in real-time, then choose the best answer.
Web Search
Get real-time answers backed by live web data. Powered natively by OpenAI, Gemini, and Qwen search integrations.
Smart Memory
Cortex remembers your preferences and context across conversations. Your AI gets smarter the more you chat.
Voice Input
Speak your prompts with built-in speech-to-text. Fast, accurate, and supports continuous dictation.
Prompt Library
100+ ready-to-use templates for coding, writing, translation, analysis, and more. Fill in the blanks and go.
Why Cortex AI?
- 6 AI providers in one app
- Side-by-side model comparison
- 100+ prompt templates
- 20 languages supported
- Available on iOS & Android
- No API keys or accounts needed
Ready to try every AI?
Download Cortex and start chatting with the world's best AI models today. Free to get started.