Obsidian Copilot

Vault-wide RAG inside Obsidian — 50+ LLM providers

Brings ChatGPT-like AI conversations directly into your Obsidian vault with RAG over your notes. Supports 50+ LLM providers so you can use OpenAI, Anthropic, local models, or anything else. Best for Obsidian users who want to chat with their entire knowledge base.

FREE TIER: Free plugin; bring your API key
COMPANY: Community OSS
CATEGORY: End-User Tools › Productivity
OPEN SOURCE: Yes
PRIVACY: Your API key; self-hosted RAG
TAGS: obsidianrag

QUICK START

Install Obsidian Copilot from the Community Plugins browser → Enter your LLM API key in settings → Open the Copilot chat panel and ask questions about your vault

BEST FOR

▸Obsidian power users wanting to deeply query their personal knowledge vault.
▸Privacy-minded users who prefer self-hosted RAG and their own API keys.
▸Users seeking flexible LLM choice, from OpenAI to local models, within Obsidian.

NOT FOR

✕Users not using Obsidian; this is a plugin for a specific note-taking app.
✕Those wanting a truly free, zero-config AI chat without an API key.

◈ TYPICALLY PAIRED WITH

Tools that appear alongside Obsidian Copilot in AIArsenal's curated stacks.

Ollama

Run 100+ LLMs locally from the terminal — completely free

CLI Tools

Continue.dev

Open-source AI code assistant — bring your own model (local or cloud)

Developer Tools

Llama 3.x

Best all-around open LLM — 8B to 405B

Open-Source

Stable Diffusion