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LM Studio vs WebLLM Chat: catalog facts
LM Studio	WebLLM Chat
Freemium The free plan runs local models and the built-in agent. Paid plans from $20 a month add…	Free Free to use in the browser.
Windows, macOS, Linux	Web
Search and download models from Hugging Face without leaving the app Serves local models on OpenAI-compatible endpoints, locally and over the network	Runs models locally in the browser with no install Conversations are processed without a server
Closed source, unlike most of the local-AI stack it builds on Cloud features require an account and a subscription	Requires a browser and GPU with WebGPU support Models must be downloaded before first use
Downloadable app	Web application
Closed source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.