Sphere: Multi-Model AI Chat

The multi-model advantage. Every AI model has different strengths. GPT-5 reasons sharply. Claude writes beautifully. Gemini knows the web. Why settle for one? Sphere runs your prompt across up to 4 AI models simultaneously and shows you all the answers in a swipeable carousel, so you can read, compare, and use the best one. MODELS INCLUDED • OpenAI GPT-5.5 & GPT-5.4 Mini • Anthropic Claude Opus 4.8, Sonnet 4.6 & Haiku 4.5 • Google Gemini 3.1 Pro & Gemini Flash 3.5 • xAI Grok 4 • DeepSeek R1 KEY FEATURES • Side-by-side comparison — see up to 4 models answer your question at once • Real-time streaming — answers appear as they're generated • Voice input — dictate your prompts hands-free • Image & file attachments — share screenshots, documents, and more • Thread history — every conversation is saved and searchable SPHERE PRO Unlock all premium models, compare up to 4 at once, and get 500 prompts per month with unlimited threads. Subscriptions are billed through your Apple ID. Cancel anytime in Settings → Apple ID → Subscriptions. Privacy Policy: https://mnemosphere.ai/sphere/privacy-policy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/