Msty
One-click local and cloud AI workspacePolished, privacy-first desktop app to run local LLMs offline and connect cloud providers, with one-click setup, split chats and knowledge stacks.
- Maker
- CloudStack, LLC
- Founded
- 2024
- Pricing
- Free tier
- Last checked
- October 2026
Verdict
Polished, privacy-first desktop app to run local LLMs offline and connect cloud providers, with one-click setup, split chats and knowledge stacks.
Score breakdown
vs LM Studio, the category leaderUsers who want the most polished, no-setup desktop app for running local LLMs offline alongside cloud models.
Key features
- Built-in local engine (MLX, llama.cpp) for one-click offline models
- 12+ cloud provider integrations with mid-conversation model switching
- Split/parallel chats to compare multiple models side by side
- Knowledge Stacks for retrieval-augmented, document-grounded responses
- Prompt library and prompt-building tools
- MCP tool support and external API integrations
- Local-first storage with no telemetry
- Cross-platform desktop apps for macOS, Windows and Linux
Strengths
- +One-click local model setup with a built-in engine — no manual Ollama or LM Studio install
- +Generous free core, with offline/local-first operation and no account required
- +Connects 12+ cloud providers alongside local models, with mid-chat model switching
- +Polished, distinctive features like split/parallel chats and knowledge stacks (RAG)
Weaknesses
- −Closed source — you cannot audit the code or self-host the app
- −Web app and several advanced features sit behind the paid Aurum tier ($149/year)
- −The Teams plan has a 5-seat minimum, making it costly for small teams
- −Smaller community and less documentation than the open-source alternatives
Overview
Overview
Msty (Msty Studio), built by CloudStack, LLC, is a proprietary, privacy-first desktop app that aims to be the most polished way to run local LLMs without any setup hassle. Its built-in local engine (MLX and llama.cpp) means you can run models offline with one click — no separate Ollama or LM Studio install — while 12+ cloud providers can be connected in the same interface, with the ability to switch models mid-conversation. As of mid-2026 the core product is free (it went fully free in July 2025), requires no account, and stores data locally with no telemetry.
Msty’s personality shows in features like split/parallel chats (“Crew Mode”) for comparing models side by side, Knowledge Stacks for document-grounded RAG, a prompt library, and MCP tool support. The trade-offs are openness and cost: the app is closed source and can’t be self-hosted, and a number of advanced capabilities — plus the web app — live behind the Aurum tier ($149/user/year), with a Teams plan that has a five-seat minimum. For users who value polish and a zero-config experience over auditability, it’s a strong pick.
Key Benefits
- Zero-config local AI: A built-in engine runs models offline with a single click.
- Local and cloud in one place: Mix on-device models with hosted providers and switch freely.
- Thoughtful UX: Split chats, knowledge stacks and a prompt library go beyond a basic chat window.
- Private by default: Local-first storage, no telemetry, and no account needed for the free tier.
Use Cases
- Effortless local chat — Run an offline model without touching a terminal or installing a separate runtime.
- Model comparison — Use split chats to evaluate several models on the same prompt.
- Document-grounded answers — Build Knowledge Stacks for RAG over your files.
- Hybrid workflows — Keep sensitive prompts local and reach for a cloud model when you need more power.
Pricing
Checked October 2026 · USD- Local and cloud models in one desktop app
- Knowledge Stacks, split chats and MCP tools
- Offline, no account required
- Web app access and additional providers (Azure, AWS Bedrock)
- Advanced features (Forge Mode, Live Contexts, Shadow Personas)
- Perpetual access to all Aurum capabilities
- SSO, RBAC, shared team resources and audit logs