Run Copilot for Obsidian on Grok 4

by BrevilabsPersonal agentobsidiancopilot.com

Copilot for Obsidian puts an AI assistant inside your Obsidian vault: chat with your notes, generate and rewrite content, and query your whole knowledge base without leaving the app. It is open source, its bring-your-own-key setup needs no Copilot license, and Opper is one of the providers in its catalogue: pick Opper, paste your key, and your vault runs on any of 700+ models, with your notes going only to the model you chose.

Run

Copilot for Obsidianonin

Connect Copilot for Obsidian to Grok 4

Add Opper in Copilot for Obsidian

Obsidian → Settings → Copilot → BYOK → Add a provider, search for Opper — the base URL comes prefilled, then paste your Opper key. Then pick Grok 4.

Model id

Get your API key

Where you can run it

Grok 4 runs on the routes below. Route only to EU providers when your data has to stay in Europe.

Provider	Region	Zero data retention	Training	Input	Output
xAI	EU	Not by default	No	$3.00	$15.00
xAI	US	Not by default	No	$3.00	$15.00

The model

Grok 4 by xAI is a reasoning model with vision, native tool use, and real-time web and X search across a 256k context window.

Available on

Pricing from$3.00/ 1M input$15.00/ 1M output256Kcontext

Privacy

Zero data retention: Not by default
Training: No
Region: EU + US

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