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 GLM-5.2.
GLM-5.2 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 |
|---|---|---|---|---|---|
| Berget | EU | Zero data retention | No | $1.63 | $5.11 |
| evroc | EU | Zero data retention | No | $1.45 | $5.81 |
| Inceptron | EU | Zero data retention | No | $0.75 | $2.90 |
| Melious | EU | Zero data retention | No | $1.16 | $4.65 |
| Nebius | EU | Not by default | No | $1.40 | $4.40 |
| Sference | EU | Zero data retention | No | $1.20 | $4.20 |
| TensorX | EU | Zero data retention | No | $1.50 | $4.50 |
| DeepInfra | US | Zero data retention | No | $0.75 | $2.40 |
| DigitalOcean | US | Not by default | No | $0.70 | $2.20 |
| Morph | US | Not by default | No | $1.10 | $4.10 |
| Novita | US | Zero data retention | No | $1.40 | $4.40 |
| Alibaba Cloud | Multi | Not by default | No | $1.19 | $4.18 |
| BytePlus | Multi | Not by default | No | $1.40 | $4.40 |
| Fireworks | Multi | Zero data retention | No | $1.40 | $4.40 |
GLM-5.2 by Z.ai is a 744B open-weight (MIT) mixture-of-experts coding model with a 1M-token context, IndexShare sparse attention, and selectable thinking-effort levels.
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