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ChatGPT vs Cortex.cpp

Side-by-side comparison of features, pricing, and ratings

ChatGPT
ChatGPT

ChatGPT: AI assistant for writing, coding, image gen, and voice.

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Cortex.cpp
Cortex.cpp

Open-source AI assistant for private offline inference

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Pricing
Freemium
Free
Plans
$0/mo
$0/mo
$20/mo
$200/mo
$0/mo
Popularity
5.6k views
6.5k views
Skill Level
Beginner-friendly
Beginner-friendly
API Available
Platforms
WebMobileDesktopAPI
DesktopCLIAPI
Categories
💻 Code & Development✍️ Writing & Content🎨 Image Generation
💻 Code & Development⚙️ Developer Infrastructure
Features
GPT-5.5 Instant, Thinking, and Pro models
Text, image, and voice conversations
Voice conversations with video
Real-time web browsing (paid plans)
File upload support (images, PDFs, spreadsheets)
Code interpretation and execution
Deep research mode
Agent mode (Atlas)
Customizable instructions and memory
Projects, tasks, and custom GPTs
DALL·E image generation
Group chats and shareable links
Shopping mode
Mobile app (iOS, Android)
Desktop app (macOS, Windows)
Local model execution for offline inference
Connect online APIs: OpenAI, Anthropic, Google, Meta, Mistral, DeepSeek, etc.
123+ HuggingFace models available
Memory feature (coming soon) for context persistence
Minimalist UI with dark mode
Open source under MIT license
Cross-platform desktop app (Mac, Windows, Linux)
Community support via Discord and GitHub
Official docs and changelog
Integrations
Slack
Google Drive
Microsoft 365
GitHub
Linear
Figma
Canva
Spotify
Zapier
OpenAI (ChatGPT)
Anthropic (Claude)
Google (Gemini)
Meta (Llama)
Mistral AI (Mistral)
Alibaba (Qwen)
DeepSeek (DeepSeek)
Google (Gemma)
Moonshot AI (Kimi)