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.
| Provider | Region | Zero data retention | Training | Input | Output |
|---|---|---|---|---|---|
| DeepInfra | US | No | $0.50 | $2.20 | |
| DigitalOcean | US | No | $0.90 | $1.70 | |
| Nebius | Multi | No | $1.00 | $3.00 | |
| Perplexity | Multi | — | $0.25 | $2.50 |
NVIDIA Nemotron 3 Ultra 550B A55B is a 550B Mixture-of-Experts model with 55B active parameters for complex multi-agent reasoning.
Anthropic's desktop agent for knowledge work. Run it on any model on Opper, not just Claude.
Anthropic-compatible
An open-source personal agent for everyday tasks. Run it on any model on Opper.
opper launch openclaw
Nous Research's open agent. Run it on any model on Opper.
opper launch hermes