# Onoma > Onoma is an AI memory layer that gives you shared context across multiple AI models. Use GPT, Claude, Gemini, Grok, and more with one persistent memory. GDPR-compliant with EU data residency. Onoma solves AI context fragmentation. When you switch between ChatGPT, Claude, and other AI assistants, you lose your conversation history and context. Onoma maintains one memory across 14+ AI models from 7 providers, so you never have to re-explain yourself. Key capabilities: Spaces for automatic context organization, Cortex for PII anonymization and smart routing, document scanning, and full data portability. ## Product - [How Onoma Works](https://askonoma.com/how-it-works): Technical overview of the Cortex memory pipeline, prompt enrichment, PII anonymization, and intelligent model routing - [Features](https://askonoma.com/features): Spaces for automatic context organization, document scanning, and smart model routing - [Available AI Models](https://askonoma.com/models): Complete list of supported AI models including GPT-4o, Claude Sonnet, Gemini, Grok, Llama, and Mistral - [Privacy & Security](https://askonoma.com/privacy): GDPR compliance, EU data residency, automatic PII anonymization, and data portability ## Get Started - [Pricing](https://askonoma.com/pricing): Free tier with 50K tokens and 8 models, Ambassador plan with 1M tokens and all models - [Download](https://askonoma.com/download): Native apps for macOS, Windows, and Linux, plus PWA for iOS and Android ## Legal - [Terms of Service](https://askonoma.com/legal/terms): Usage terms and conditions - [Privacy Policy](https://askonoma.com/legal/privacy): Data handling and privacy practices ## Optional - [Articles](https://askonoma.com/articles): Blog with guides on AI memory, model comparisons, and productivity tips - [What is AI Memory](https://askonoma.com/article/what-is-ai-memory): Guide explaining AI memory concepts and cross-platform context - [ChatGPT Memory Guide](https://askonoma.com/article/chatgpt-memory-guide): How ChatGPT memory works and its limitations - [ChatGPT vs Claude](https://askonoma.com/article/chatgpt-vs-claude): Comparison of the two leading AI assistants - [AI Context Window Explained](https://askonoma.com/article/ai-context-window-explained): Technical guide to understanding AI context limitations - [ChatGPT Alternatives](https://askonoma.com/article/chatgpt-alternatives): Overview of AI assistant options beyond ChatGPT