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.
Copilot for ObsidianoninObsidian → Settings → Copilot → BYOK → Add a provider, search for Opper — the base URL comes prefilled, then paste your Opper key. Then pick Clef-flash.
Clef-flash 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 |
|---|---|---|---|---|---|
| Opper | EU | No | $0.04 | $0 |
Clef-flash decision model by Cloudflare (9B), hosted by Opper in the EU. Answers noul (yes/no), choice and score questions with a probability for every option instead of text. Text or JSON state up to 16,384 tokens including the questions. Use POST /v3/compat/v1/systemone with model opper/clef-flash. Weights: https://huggingface.co/Cloudflare/clef-flash.
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