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-5.3.
GLM-5.3 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 |
|---|---|---|---|---|---|
| GreenPT | EU | — | $1.26 | $5.04 | |
| Inceptron | EU | No | $0.78 | $2.92 | |
| Melious | EU | No | $1.15 | $4.59 | |
| Mistral | EU | No | $1.40 | $4.40 | |
| Sference | EU | No | $1.20 | $4.20 | |
| TensorX | EU | No | $1.75 | $4.50 | |
| DeepInfra | US | No | $1.20 | $4.00 | |
| DigitalOcean | US | No | $1.40 | $4.40 | |
| Morph | US | No | $1.00 | $3.41 | |
| Novita | US | No | $1.40 | $4.40 | |
| Perplexity | US | No | $1.40 | $4.40 | |
| Wafer | US | No | $1.19 | $4.40 | |
| Baidu Qianfan | Multi | —Not established | — | $1.40 | $4.40 |
| Modal | Multi | No (opt-in) | $1.40 | $4.40 | |
| Nebius | Multi | No | $1.40 | $4.40 | |
| Z.ai | Multi | No | $1.40 | $4.40 |
GLM-5.3 by Z.ai is a 744B open-weight coding and agentic model, post-trained on the GLM-5.2 base with a 1M-token context and low, high, and max reasoning effort levels.
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