Msty Studio is a desktop app for Windows, Mac and Linux that runs local models through Ollama, MLX and Llama.cpp next to online providers. The Free plan covers core desktop features.
Msty Studio is a desktop and web workspace for chatting with AI models, made by CloudStack, LLC. Its documentation calls it a privacy-first platform for running local and online models. Studio Desktop is available for Windows, Mac and Linux and is free to start, while Studio Web is a perk of the paid Aurum plan. Msty is also a family of products: Go runs task agents, Nexus is a model gateway, and Stack is a knowledge layer listed as coming soon. This record covers Studio, the part that runs models on your own computer.
For local models, Studio has a Local Models area under Model Hub that manages three engines: Ollama, MLX for Apple Silicon and Llama.cpp. You can install models from a featured catalog, search the Ollama registry and Hugging Face, or import a GGUF file or a Safetensors or MLX folder you already have. If the engine you choose is not installed, Msty sets it up first. Hosted providers such as Azure OpenAI and Amazon Bedrock can sit in the same hub, so Split Chats can compare a local model with an online one side by side. Other features include Knowledge Stacks for answering from your own documents, Agent Mode, personas, a prompt library and MCP tool support.
The Free plan costs $0 and covers core Studio Desktop features, with several items marked Limited, among them personas, Crew Conversations, Knowledge Stacks and MCP tools. Aurum is $149 per user per year and adds Studio Web and the full feature set. Aurum Lifetime is a one-time $349. Enterprise and Teams needs at least five seats. The site claims zero product telemetry and the docs say desktop data is stored on your device, but the company also states that formal SOC 2 and ISO 27001 certification are not complete. Because Studio can call online providers, prompts sent to them leave your computer; choose local models for offline use.
Msty Studio Desktop has a Free plan at $0 with core features, and some features are marked Limited. Aurum is $149 per user per year, Aurum Lifetime is $349 once, and Enterprise and Teams is custom with a five-seat minimum.
The Msty docs say Studio Desktop is available for Windows, Mac and Linux. Studio Web, a browser version, is included with the paid Aurum plan.
Local models run on your own machine through Ollama, MLX or Llama.cpp, which the docs say supports offline workflows. Online providers you add, such as Azure OpenAI or Amazon Bedrock, send prompts off your computer.
Website: https://msty.ai/
Company: CloudStack, LLC
Desktop workspace that manages Ollama, MLX and Llama.cpp models next to online providers. Free plan for core features; Aurum is $149 a year or $349 once. Adding hosted providers sends prompts off your machine.
| Pricing model | Freemium |
|---|---|
| Free tier | Yes · Core Studio Desktop features; several marked Limited (personas, Knowledge Stacks, MCP tools) |
| Starting price | Not verified |
| Data residency | On-premises — Msty docs state that data does not sync between devices and is stored locally on your device; Studio Web stores data in browser local storage. |
| Compliance (as stated by vendor) | Not verified |
| Integrations | Ollama, Llama.cpp, MLX, Hugging Face, Azure OpenAI, Amazon Bedrock |
| Public API | Not verified |
| Self-hostable | Not verified |
| Official site | Online (auto-checked 2026-10-13) |
| Can a general AI assistant replace it? | A hosted chatbot needs no install. Msty fits when prompts should stay on your machine or you want to compare local and hosted models; local models still need enough RAM and disk. |
| Last verified | 2026-10-10 by editor |
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