Msty vs PyGPT

Msty

• Individuals who want local and hosted models in one desktop app
• Privacy-sensitive work where data should stay on the device
• Buyers who prefer a one-time lifetime license to a subscription

PyGPT

• Technical users who want one desktop app for many model providers
• Running agents that can execute Python and work with local files
• Pairing a chat interface with local Ollama models at no cost

Msty

• Msty's terms limit the Free tier to personal, non-commercial use; work that earns revenue requires an Aurum or Enterprise license.
• The browser version, Msty Studio Web, needs an Aurum license, and several Free-plan features, including Knowledge Stacks and MCP tools, are marked Limited.
• Data does not sync between devices, an Aurum license covers 2 desktop devices, and Enterprise & Teams plans start at 5 user seats.
• Msty states that formal SOC 2 and ISO 27001 certification are not yet complete.

PyGPT

• Cloud models need your own API keys, and each provider charges for usage separately.
• macOS has no prebuilt app: it is installed from PyPI with Python 3.10 to 3.13, or run from source.
• Local models are not built in; they run through a separate Ollama installation and need compatible hardware.
• It is a desktop application only, for Windows 10 and 11, 64-bit Linux and macOS.

Msty

Local and online models in one hub

Runs local models through Ollama, llama.cpp and MLX and connects hosted providers, so both kinds sit in the same organized model list.

Split Chats

Runs models side by side on the same conversation so you can compare tone, depth and accuracy without losing context.

Agent Mode

Carries out multi-step, tool-aware tasks instead of single prompts. MCP tools are connected through the Toolbox, which is limited on the Free plan.

Knowledge Stacks

Grounds answers in your own documents and notes with organized, source-aware retrieval. The feature is marked Limited on the Free plan.

Personas and Crew Conversations

Personas are reusable assistants built in Persona Studio, and Crew Conversations put several of them in one thread to work on a task together.

Data kept on your device

Studio stores data locally and does not sync it between devices; Studio Web keeps its data in the browser's local storage. Msty says it sends no product telemetry.

PyGPT

Cloud and local models

Works with OpenAI, Claude, Gemini, Grok, DeepSeek, Perplexity Sonar and Hugging Face models through your own API keys, and with local models such as Llama, Qwen or Mistral served by Ollama.

Multi-agent workflows

Agents run as a primary agent, an orchestrator or a swarm of workers. Portable SKILL.md skills can be imported from GitHub or disk, and AGENTS.md files add project-specific instructions.

RAG and conversation memory

LlamaIndex indexes files, web pages, images, audio, video and past conversations into built-in vector stores, with a separate index per project and short- and long-term memory.

Python, system tools and MCP

Models can run Python, IPython and system commands in a built-in sandbox or Docker, call MCP servers through a Connectors manager, search the web and run scheduled tasks.

Voice, vision and generation

Realtime voice, speech recognition and speech synthesis through several providers, analysis of images and camera input, and image and video generation with models such as Imagen, Veo and Sora.

Profiles and built-in tools

Profiles keep separate settings, history and files. The workspace includes a notepad, a painter, a calendar with day notes, a web browser, presets, plugins and themes.

Msty

• Free$0

  Core Studio Desktop features for personal, non-commercial use: chat with local and online models, persona and crew conversations, Agent Mode and Knowledge Stacks.

• Aurum$149

  per user / year, billed yearly

  A commercial license for one user on up to 2 desktop devices. Adds Msty Studio Web, Azure and Bedrock providers, Studio Assistants, Shadow Personas, Turnstiles and Insights.

• Aurum Lifetime$349

  per user, one-time payment

  The Aurum feature set with lifetime access and updates, for one user on up to 2 desktop devices. Msty's terms say it is protected from later price increases.

• Enterprise & TeamsCustom

  Minimum of 5 user seats, with SSO, user and team management, role-based access control, an audit log and shared team resources.

PyGPT

• Free$0

  The full desktop app for Windows, Linux and macOS, including agents, RAG, plugins, MCP connectors and every work mode.

Msty

• Lifetime license

  Aurum Lifetime for a one-time payment

  Aurum Lifetime costs $349 per user once and includes lifetime updates and access, against $149 per user per year for the Aurum subscription.

• Other savings

  Enterprise bundle across Msty products

  Msty offers a single enterprise agreement that combines Studio, Go, Nexus and Stack, priced by seat count and deployment shape instead of as separate product plans.

PyGPT

No public discounts listed.