LM Studio vs Private LLM

LM Studio

The easiest graphical way to try open models on a laptop or workstation, with a built-in model browser, chat window and local API server. Bionic extends it into an agent, which is useful if you want open models to do real work, though it is newer than the core app. Teams that need centralized controls will have to wait for the organization plans that are still being rolled out.

Pros

• +Free for personal and work use with local models
• +Runs llama.cpp and MLX engines with a simple model browser
• +Local API server plus CLI and JS and Python SDKs
• +Cloud tier states zero data retention and US hosting

Cons

• −Closed-source desktop app, unlike some local-model runners
• −Large models still need a lot of memory and a good GPU or Apple Silicon
• −Bionic cloud plans are new and usage limits are described only loosely

Private LLM

The whole pitch is that inference happens on your device: no account, no upload, works with the network off, paid once instead of monthly. The model catalogue is wide and tuned for Apple silicon, and the Shortcuts and system text-service hooks make it useful beyond a chat window. Local models are still meaningfully weaker than hosted frontier models, and this is Apple-only.

Pros

• +Inference is on-device: no account, no upload, works in airplane mode
• +One-time price with Family Sharing for six instead of a recurring fee
• +Wide catalogue of quantised open-weight models tuned for Apple silicon
• +Hooks into Siri, Shortcuts, x-callback-url and macOS system text services

Cons

• −Apple platforms only, with no Windows, Linux, Android or web version
• −1.4 GB install plus model downloads, and older devices are excluded (iOS 17 and A12 or newer)
• −Local models are noticeably weaker than hosted frontier models
• −App Store rating sits at 4.1, with reviewers flagging missing chat history that the vendor says arrives in v2

Is LM Studio cheaper than Private LLM?

They charge in different units, so there is no like-for-like answer: LM Studio starts at $20/mo, Private LLM at $4.99 once. Entry price is the lowest paid plan as we last verified it.

Does LM Studio or Private LLM have a free tier?

LM Studio has a free tier; Private LLM has paid plans only.

Which has a public API, LM Studio or Private LLM?

LM Studio ships a public API, as of our last verification. A public API for Private LLM is not confirmed by us — check its developer docs before you plan an integration.