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 NVIDIA-Nemotron-3-Ultra-550B-A55B.
NVIDIA-Nemotron-3-Ultra-550B-A55B runs on the routes below. Route only to EU providers when your data has to stay in Europe. One route also sells flex and priority processing: the same model at another price, picked per request with service_tier. How service tiers work.
| Provider | Region | Zero data retention | Training | Input | Output | Cache read | ||
|---|---|---|---|---|---|---|---|---|
| US | No | $0.50 | $2.20 | $0.10 | ||||
| US | No | $0.90 | $1.70 | Input price | Not offered on this route | Not offered on this route | ||
| Multi | No | $1.00 | $3.00 | Input price | Not offered on this route | Not offered on this route |
NVIDIA Nemotron 3 Ultra 550B A55B is a 550B Mixture-of-Experts model with 55B active parameters for complex multi-agent reasoning.
Step-by-step setup for running Copilot for Obsidian on each of these models through Opper.
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