NottoAI is a multi-model AI chat platform that lets you access GPT-5.4, Claude, Gemini, DeepSeek, Grok, Perplexity and 16+ AI models in one unified interface. Instead of paying $20/month for each AI tool separately, users get all models under one subscription. Switch between models mid-conversation with one click, compare answers from different AIs side by side, and always use the best model for each task. Features include web search, file uploads (images, PDFs, documents), conversation history, and Bring Your Own Key (BYOK) support with AES-256 encryption. Start free with 500 credits, no credit card required. Free models like DeepSeek R1 and Llama 3.3 are available forever.