What Is LM Studio? Is It Free, How to Install It, How Much RAM It Needs, Does It Work in Turkish?

LM Studio is not an AI model but a program that runs models. You first install the app, then pick and download a model from inside it; the model runs on your computer. So unlike ChatGPT or Claude, it isn't a site you log into with an account but an "AI engine" on your own computer.

Who it's for: business owners who don't want to send what they write or client documents to the internet, people who want to try local AI without writing code, and developers who want to connect an AI model to their own software. Who it's not for: people without a powerful computer who don't want to give up cloud services; speed and quality depend on your computer's memory and the model you choose (see the Hardware and Models sections).

Sources: LM Studio documentation (Welcome, LM Studio vs llmster vs lms), October 14, 2026. Scope: chat interface, model search and download via Hugging Face, chat with documents, MCP client, OpenAI- and Anthropic-compatible local server.

The official address is lmstudio.ai/download. The page shows Bionic first (a separate app, see the "LM Studio or Bionic?" section); the LM Studio section is below it, and the "Download LM Studio" button picks your operating system. The system requirements below are taken from the official system requirements page.

Current version: 0.4.26 (October 13, 2026). When the app opens, it checks for updates and shows a notification; macOS and Windows have an in-app updater.

Command line: lms ships with the app; there is no extra installation step. The commands below are from the official documentation:

Sources: lmstudio.ai/download, docs/app/system-requirements, docs/app/basics/lmstudio-vs-llmster-vs-lms, docs/cli, docs/developer/core/headless, changelog (October 14, 2026). An older copy of the documentation (llms.txt) says macOS 13.4; the current system requirements page is used here.

The official page says language models use a lot of memory. The table below shows recommended values, not minimums.

If your computer is weak, pick a small model and keep the context short. The Models section gives examples of the sizes shown in the catalog.

Sources: docs/app/system-requirements, docs/app/basics/download-model, docs/integrations/claude-code (October 14, 2026). The older info on the atlas card says macOS 13.4; the current page says 14.0.

1. 1Open LM Studio. Go to the Discover tab to search for models (Cmd 2 on Mac, Ctrl 2 on Windows and Linux).
2. 2Type a model name or paste a Hugging Face URL into the search box; pick a model and download it. In the download options, names starting with Q (such as Q4, Q8) are size-reduced copies of the same model; the official recommendation is to choose 4-bit or higher if your computer can handle it.
3. 3Load the model and type in the chat box in English or Turkish. Cmd/Ctrl N for a new chat, Cmd/Ctrl Shift N for a folder; you can drag chats into folders and open two chats side by side.
4. 4To add a document, attach a docx, pdf or txt file to the chat. If the document is short, all of it is given to the model; if it is very long, LM Studio picks the relevant parts (RAG), which sometimes needs tuning.

For better results with long documents, include in your question the terms and ideas you expect to appear in the document: the official documentation says this improves the chances of finding the relevant parts.

!Local models also make mistakes and can make things up. Check numbers, dates and quotes against their source; quality can drop noticeably, especially with small models.

Sources: docs/app/basics/download-model, chat, rag; docs/app/presets; docs/app/user-interface/modes (October 14, 2026). Reported by users On Ekşi Sözlük, a user who tested small models with the same question showed that all of them sometimes got a TV series' year and cast wrong; this is a single test by that user.

LM Studio can be used in four ways. For most people, the first is enough.

Detail: the app, the server and lms use the same core. lms manages both the desktop app and llmster; when the app is closed, the lms command starts the app itself.

LM Studio can turn a model into a local server: switch on "Start server" in the Developer tab or type lms server start in the terminal. By default the server listens at localhost:1234.

• Cost: Free with a local model.
• Context: tools such as Claude Code use a lot of context; the official documentation recommends a context length above 25K tokens.
• MCP: LM Studio has been an MCP client since 0.3.17. You add servers in the Program tab via Install › Edit mcp.json or with the "Add to LM Studio" button on websites. LM Studio follows Cursor's mcp.json format.
• Use from another device: with LM Link you can use a model on a powerful computer from a laptop or phone; the connection is end-to-end encrypted with Tailscale and your devices are not exposed to the open internet.

!MCP servers can run code that accesses your files and network. Don't install an MCP server from a source you don't trust. Some MCP servers are designed for cloud assistants, so they can use a lot of tokens and overflow the local model's context.

!If you open the server to the network (Serve on Local Network or lms server start --bind 0.0.0.0), other devices on your network can connect too. Authentication is off by default; if you open it up, turn on the setting that requires an API token on the Developer page. The official documentation recommends authentication in this case.

Using it in your own software: in an OpenAI or Anthropic client, just point the address to the local server (http://localhost:1234). LM Studio also has its own REST API, a Python SDK (lmstudio-python) and a TypeScript SDK (lmstudio-js). Details are in the official developer documentation.

Sources: docs/developer/core/server, serve-on-network, authentication, openai-compat, anthropic-compat, integrations/claude-code, docs/app/mcp, docs/lmlink (October 14, 2026). On Hacker News, the threads "MCP in LM Studio" and "Running Gemma 4 locally with LM Studio's new headless CLI and Claude Code" drew many comments; these are user comments.

LM Studio has no model of its own: it searches for, downloads and runs open models from Hugging Face. The Discover tab in the app and the lmstudio.ai/models catalog split models into two groups: downloadable (runs on your computer) and available on LM Studio Cloud (models running in the cloud; the Bionic documentation describes cloud models as LM Studio Secure Cloud and they require an account and credits). The list below is a few examples shown in the catalog.

!Each model comes with its own license. If you'll use a model for business, read its license on the publisher's page (see the Commercial use section).

Sources: lmstudio.ai/models, docs/app/basics/download-model, docs/cli/local-models/get, docs/app/advanced/import-model (October 14, 2026).

The LM Studio app is free. An announcement published on July 8, 2025 says "LM Studio is free to use both at home and at work"; a separate commercial license used to be required for the workplace, and that requirement is gone. The App Terms currently in force (August 23, 2026) grant the license for "personal and/or internal business purposes" (see the Commercial use section).

Sources: lmstudio.ai/blog/free-for-work (July 8, 2025), lmstudio.ai/app-terms (August 23, 2026), lmstudio.ai/pricing (Bionic), docs/bionic (October 14, 2026). The App Terms reserve the right to change prices; check the current page before paying.

Official pricing page last checked on October 28, 2026.

LM Studio Bionic is a separate app released by the LM Studio team; it is not a new version or a renamed LM Studio. The official documentation: "Bionic is a new, separate app from LM Studio." The two can be installed side by side.

• On the download page, Bionic appears first with LM Studio below it; the "Download LM Studio" button is in the lower section.
• When LM Studio is running, Bionic can use it for local model inference (LM Studio 0.4.26 and Bionic 1.1.8 and later).
• With cloud models, data is processed temporarily on US-hosted services under zero data retention (ZDR) terms; this does not apply to local use of the LM Studio app.

Sources: docs/bionic, bionic/models, bionic/accounts-plans-and-billing, lmstudio.ai/pricing, lmstudio.ai/download, changelog (October 14, 2026). Reported by users In a Reddit r/LocalLLaMA thread, users complain about Bionic being featured on the download page; one user wrote that they thought Bionic was an LM Studio update and installed the wrong app. These views are user reports.

If the reply comes back in the wrong language, add "Reply in Turkish" to the start of your request. Turkish can be noticeably weaker in small models; if you run into problems, try a bigger model.

!To change the interface language you need to open the Settings page. The official documentation says Power User or Developer mode must be on to open this page; the two pages name it differently (Developer mode is the merger of the old Developer and Power User modes).

Sources: docs/app/user-interface/languages, modes (October 14, 2026). Reported by users On Ekşi Sözlük, a user also tried a small model fine-tuned for Turkish; this is one person's experience, not an evaluation.

!This page is not a security certification. If you'll work with client or patient data, run models locally and don't open the server to the network; for personal data law (in Turkey, KVKK, the Personal Data Protection Law), consult a qualified professional. This is not legal advice.

Sources: lmstudio.ai/privacy (June 2026), docs/app/offline, docs/app/basics/chat, docs/app/mcp, docs/developer/core/server/serve-on-network (October 14, 2026). The policy's cloud features clause applies to Bionic and cloud models (cloud prompts are processed temporarily and not stored).

There are two separate licenses: the program's (LM Studio) and the model's. The program's license is in the App Terms; each model has its own separate license, stated on the model page or by the publisher.

• Under the App Terms the program is closed source; the lms command-line tool is MIT-licensed (official CLI page), and the SDKs are MIT-licensed (catalog entry).
• Model licenses differ: for example, the catalog lists Apache 2.0 for gpt-oss. Read the license of other models on their own model page.
• You need to check the accuracy of any content you publish yourself.

Sources: lmstudio.ai/app-terms (August 23, 2026), lmstudio.ai/blog/free-for-work (July 8, 2025), docs/cli, lmstudio.ai/models (October 14, 2026). This is not legal advice.

Sources: docs/app/user-interface/modes, docs/app/offline, docs/developer/core/server/serve-on-network, docs/cli/serve/server-start, docs/integrations/claude-code (October 14, 2026). Reported by users On Reddit, some users write that the app became unstable after updates; this is a user report.

LM StudioDesktop app with a graphical interface; searches for and downloads models, with chat and document attachment; local server and command line optional. Free, closed source.OllamaFree and open source (MIT); command line and desktop app; optional cloud. Details in its own guide.ChatGPTA cloud assistant you sign into with an account; doesn't run on your own computer.

Reported by users On Reddit, r/LocalLLaMA and r/LocalLLM users distinguish the two like this: LM Studio is the "full package" (interface, model discovery, settings), while Ollama is an engine that runs in the background like a server and connects to other interfaces. Some criticize LM Studio for not being open source, others Ollama's naming; these views are user reports. The rows for other tools are summaries from those tools' own guides.