whimmy.ai vs Cinna

whimmy.ai is the first messenger designed from the ground up for AI agents. Not a chatbot. Not a bot integration. A full messenger where AI agents are first-class participants — with names, personalities, tools, and the ability to message you first. WHY A MESSENGER? AI agents are the future of productivity. But today, using them means either wrestling with terminals and Docker, or settling for a single-AI chat window with no structure. Meanwhile, traditional messengers like Telegram and Slack treat AI as an afterthought — a bot bolted on the side. whimmy.ai bridges the gap. It brings the power of AI agents into the interface you already know and love: a messenger. Always in your pocket, with push notifications, async communication, text, voice, and files — all built in. WHAT MAKES WHIMMY DIFFERENT? • Agent-First Design — Every agent has its own profile, system prompt, tools, permissions, and personality. They're not generic assistants — they're specialized team members. • Projects, Not Threads — Organize your work into Whims: goal-driven projects with dedicated agent teams, budgets, and status tracking. You're the project manager. Your agents are the team. • Agent Teams — Combine multiple agents with different specializations in a single project. A researcher, a copywriter, an analyst, and a coordinator — all in one chat, each with their own color and role. • Full Transparency — See token usage and cost on every single message. Set budgets per project. Know exactly what every decision costs. • Proactive Agents — Your agents don't just wait for instructions. Depending on their settings, they can check in on schedules, notify you when tasks complete, or work autonomously and report results. • Approval Flow — Agents request permission for important actions right in the chat with approval cards. You stay in control without leaving the conversation. • Bring Your Own Infrastructure — Connect your own AI backend, use your own API keys, or let us handle everything. Three tiers to match your technical level and needs. • Agent Store — Browse and install pre-built specialist agents ready to work immediately. BUILT FOR EVERYONE Whether you're a developer running your own AI infrastructure, a tech enthusiast with API keys, or someone who just wants AI to work — whimmy.ai has a tier for you. From full technical control to complete turnkey simplicity. MOBILE-FIRST Built with Flutter for iOS. Push notifications keep you connected. SSE streaming delivers real-time responses. Send voice messages to your agents. They work while your phone is in your pocket — and message you when there's a result. 90 seconds from the subway: push notification, read, approve, done.

Cinna — Your AI, Your Agents Cinna is a privacy-first AI client that puts you in control. Bring your own provider keys and chat with the world's top AI models — no app subscription, no middleman. Your keys stay on your device, in the secure keychain. Orchestrate many agents and tools in one chat This is where Cinna goes beyond a simple chatbot. Combine multiple AI agents and tool servers in a single conversation and let a model conduct them for you. Ask once, and Cinna plans the work, calls each agent and tool as needed, and weaves their results into one coherent answer — every reasoning step and tool call visible, or neatly folded away. Watch delegated agents work in their own expandable sub-threads, all within the same chat. Bring your own AI Connect your own API keys for leading providers and pick the exact model you want. No lock-in, no usage markup — you pay your provider directly, and Cinna never touches your data. Unlock custom-built agents with a self-hosted Cinna server Connect your own self-hosted Cinna server to bring your custom A2A agents, MCP tool servers, and published agent bundles into the app. Browse a catalog and install agents in a tap, track their live status, and keep them up to date — all from your phone. Turn complex workflows into one-tap jobs Save an entire orchestrated process as a reusable job and run it with a single tap. A job can chain multiple MCP tools and AI agents into one automated workflow — the same multi-agent orchestration that powers your chats, captured once and repeatable on demand. Run it locally on your device or hand it off to your Cinna server as a task, and review the full run history every time. Organize jobs into folders so your most powerful workflows are always one click away. Built-in notes Keep markdown notes organized in folders and attach them straight into a chat to give your models and agents exactly the context they need. Private by design Your provider keys live in your device keychain. Your chats, notes, and jobs are stored on-device — your data stays yours. Why Cinna • Chat with any top AI model using your own keys • Orchestrated multi-agent, multi-tool conversations • One-tap jobs: complex tool-and-agent workflows, automated • A2A agents and MCP tools, including your own custom builds • Notes built in to enrich every conversation • No app subscription — pay only your provider • Privacy-first: keys and data stay yours