ChiChat AI vs Sphere

ChiChat: Your All-in-One AI Assistant ChiChat brings multiple large language models, custom assistants, rich media, and voice together in one app. You can chat, create, code, and explore in a way that fits how you work. Your Models, Your Way • Custom Model Support: Connect any OpenAI-compatible LLM API, add your own endpoints and models, and switch between them anytime. • Personalized Assistants: Create assistant profiles, each with its own model, voice, system prompt, and behavior settings. • Fast, Stable Streaming: Get quick, smooth real-time responses, even for long outputs. Rich Content Preview • HTML Preview: Run AI-generated web pages, mini-games, and interactive demos right in the chat. • ECharts Visualization: Turn data into interactive charts instantly. • Mermaid Diagrams: View flowcharts, sequence diagrams, mind maps, and more. • SVG Rendering: Display vector graphics and illustrations in full detail. • Code & Source Toggle: Switch between the rendered preview and the source code with one tap. Music, Video & Images • Music Player: Play music in the chat, with synced, scrolling lyrics and background playback. • Video Playback: Watch videos inline with full-screen support. • Image Generation & Viewing: Create, preview, and zoom into images in a full-screen viewer. • Save to Photos: Download images and videos to your photo library with one tap. Voice • Multilingual Voice Playback: Hear replies read aloud by your device's built-in voice engine, with enhanced Cantonese support. • Voice Input: Speak instead of typing for faster, hands-free conversations. Productivity & Creativity • Smart Document Processing: Upload, read, and analyze complex documents. • Code Assistance: Debug, explain, and improve code. • Creative Tools: Write, brainstorm, draw, and compare ideas across models. • My Files: Manage your uploaded and generated files in one place. Polished Experience • Dark Mode & Landscape Support: Use a comfortable interface in any lighting or orientation. • Optimized Performance: Deep tuning for a smoother, more reliable app.

The simplest way to experience the world’s best AI models on iPhone. Why choose between ChatGPT, Claude, and Gemini when you can have all of them in one place? Sphere is designed from the ground up for iOS, giving you an effortless, iPhone-first experience with zero technical friction. NO SETUP. NO API KEYS. JUST PURE SIMPLICITY. Most multi-model tools feel like complicated developer playgrounds. Sphere is different. There are no API keys to configure, no confusing parameters, and no cluttered web views. Just open the app, type or speak your prompt once, and watch top frontier models generate answers side-by-side in real time. DESIGNED EXCLUSIVELY FOR IPHONE • Native iOS Experience — Clean dark interface, smooth gestures, and responsive haptics built for your thumb. • Swipeable Comparison — Effortlessly swipe through answers from GPT, Claude, Gemini, Grok, and DeepSeek. • Voice Dictation — Speak your ideas hands-free on the go. • Multimodal Attachments — Seamlessly attach photos, documents, and screenshots for instant analysis. • Thread History — Keep every multi-model conversation organized, searchable, and saved. THE FRONTIER MODELS INCLUDED: • OpenAI: GPT 6.1 Sol, GPT 6 Luna • Anthropic: Claude Opus 5.5 & Claude Sonnet 5.5 • Google: Gemini 3.1 Pro & Flash 3.8 • xAI: Grok 4.7 • DeepSeek: R1 Reasoning FREQUENTLY ASKED QUESTIONS Why use Sphere instead of a single AI app? Every model has unique superpowers. GPT excels at logical reasoning and structured formatting. Claude produces nuanced, natural writing. Gemini has unparalleled live web awareness. DeepSeek provides deep mathematical step-by-step thinking. Sphere lets you cross-check and pick the best answer every single time. Do I need my own API keys? No. Sphere handles all model access under one simple subscription. You never have to create developer accounts or manage API credits. How does the subscription work? Sphere requires an active Sphere Pro subscription (available monthly or annually at a 43% discount). Your subscription gives you full access to all frontier models, parallel multi-model streaming, and file attachments with no token calculations or surprise bills. SPHERE PRO Upgrade to Sphere Pro for complete access to frontier models, side-by-side multi-model streaming, and advanced document analysis. Subscriptions are billed securely through your Apple ID and can be managed or canceled anytime in your iPhone 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/