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.
Powered by the world's best AI models
No more switching between apps. Cortex brings every major AI model together with powerful features built on top.
Chat with GPT-4, Claude, Gemini, DeepSeek, Grok and Qwen. Switch models mid-conversation with a single tap.
Send the same prompt to two models at once and pick the winner. Find the best answer every time.
Get real-time answers backed by live web data. Powered natively by OpenAI, Gemini, and Qwen search integrations.
Cortex remembers your preferences and context across conversations. Your AI gets smarter the more you chat.
Speak your prompts with built-in speech-to-text. Fast, accurate, and supports continuous dictation.
Upload images and PDFs directly into the chat. AI reads and analyzes your documents with full context.
100+ ready-to-use templates for coding, writing, translation, analysis, and more. Fill in the blanks and go.
Adjust style, friendliness, and enthusiasm. Make AI professional, casual, academic or creative — your call.
Fully translated interface in 20 languages including English, Turkish, Japanese, Korean, Arabic, and more.
Send the same question to two models simultaneously. Watch both stream in real-time, then pick the answer you like best.
No accounts, no API keys, no setup. Just download and go.
Pick from GPT-4, Claude, Gemini, DeepSeek, Grok, or Qwen. Or try compare mode to test two at once.
Type, speak, or upload a file. Enable web search for real-time data. Use prompt templates for quick starts.
Cortex learns your preferences with Smart Memory, organizes chats in projects, and adapts its tone to you.
Download Cortex and start chatting with the world's best AI models today. Free to get started.