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 Ling-3.0-flash-Fin.
Ling-3.0-flash-Fin 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 |
|---|---|---|---|---|---|
| DeepInfra | US | No | $0.06 | $0.18 |
Ling-3.0-flash-Fin is InclusionAI's finance-tuned Ling-3.0-flash, a 124B open-weight Mixture-of-Experts with 5.1B active parameters and 256K context for research and analysis workflows.
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