Best Obsidian AI Plugins in 2026: 8 Compared

The best Obsidian AI plugin depends on the job: Copilot for agent chat, Smart Connections for related notes, Text Generator for prompt templates, or SystemSculpt for chat and audio transcription on desktop and mobile.

Disclosure: we make SystemSculpt. This is a comparison of published features, not a hands-on benchmark. We checked the primary sources below on November 7, 2026; we have not tested every provider, device or workflow. The numbered sections group use cases, not measured performance or popularity.

The short answer

• Agent chat: Copilot. Choose among coding agents, your own API provider or local models; Agent runs on desktop.
• Desktop coding agents: Claudian. Work in your vault with Claude Code, Codex and other supported agents.
• Related notes: Smart Connections. A built-in local embedding model finds related notes without an API key.
• ACP agents: Agent Client. Connect Claude Code, Codex, Gemini CLI or another Agent Client Protocol agent.
• Chat and audio: SystemSculpt. Native desktop agents or hosted AI, plus transcription, related notes and PDF conversion.
• Local text actions: Local GPT. Run prompts on selected text through Ollama or an OpenAI-compatible provider.
• Prompt templates: Text Generator. Reuse prompts to generate text from your notes.
• Writing with selected context: Smart Composer. Pick notes with @ and apply suggested edits; weigh its maintenance and account-access warnings.

The eight plugins at a glance

Mobile manifest compatibility is not proof that every model or workflow works on a phone. Desktop CLI agents do not run on mobile. A local model needs a reachable model server; installing a plugin does not install that server on your phone.

All eight plugins are free to install. That does not make model use free: subscriptions, API usage, hosted credits and optional paid features are separate. The linked pricing pages are the source of current plan terms.

How to choose

Choose the task first: editing notes with an agent, finding related notes, transcribing audio, or repeating a writing prompt. Then check the provider setup, device support and approval settings. Keep a vault backup before letting any agent change files.

These recommendations compare documented capabilities. We did not measure answer quality, search accuracy, speed, battery use or total cost on a shared test vault. Download totals include updates and are not counts of active users, so they do not determine our picks.

The plugins by use case

1. Copilot: agent chat and note work

Copilot's README describes Agent support for OpenCode, Claude Code and Codex. It can read and edit notes, with permissions that depend on the agent and mode you choose. Bring your own agent account, API key or local model; free installation does not include unlimited hosted inference.

Agent is desktop only. Quick Chat, Quick Ask and custom Commands work on mobile. Meaning-based vault search connects to Miyo, a separate app. Copilot Plus adds hosted usage and features such as capture skills. Its one-time Supporter offer includes Plus for two years, not unlimited lifetime hosted AI.

Choose it for: agent work with several provider options. Consider another if you want audio transcription or related notes without a separate companion app.

2. Claudian: desktop coding agents

Claudian embeds supported coding agents in Obsidian, including Claude Code and Codex. The vault is the agent's working folder: it can read, write, search and run commands. The plugin adds inline edits with a diff, project instructions, slash commands and skills; provider and MCP setup depend on the selected agent.

The plugin is free and MIT-licensed. It requires a desktop computer, a supported agent and compatible account or provider. It does not turn a desktop agent subscription into mobile access.

Choose it for: a coding-agent workspace inside Obsidian. Consider another if you want hosted AI on your phone without installing a CLI agent.

3. Smart Connections: related notes

Smart Connections finds notes related to the one you are writing and supports semantic lookup. It includes a local embedding model, so the default related-note workflow needs no API key. Its documentation supports desktop and mobile. Chat is a separate plugin, Smart Chat.

The core plugin is free; Pro plugins add features such as inline connections and ranking controls. Choose it for discovery rather than assuming it is an agent that edits your vault.

Choose it for: resurfacing related notes. Consider another if your main job is chat, transcription or agent-driven edits.

4. Agent Client: ACP agents

Agent Client connects Obsidian to Agent Client Protocol agents, including Claude Code, Codex and Gemini CLI. Mention notes with @, inspect edit diffs and use the MCP servers and skills your agent supports. It shows the agent's permission requests; opt-in Auto-allow skips them. The agent retains its terminal-level access, so this is not a vault-only security boundary.

Agent Client is free, Apache 2.0 licensed and desktop only. You still need to install and authenticate the agent; its model usage follows that agent's terms.

Choose it for: one Obsidian interface for ACP agents. Consider another if you need a mobile workflow or bundled hosted AI.

5. SystemSculpt: best for chat and audio, on desktop and mobile

SystemSculpt combines agent chat with audio transcription, related notes and document conversion in one plugin. Its chats, transcripts, meeting briefs and converted PDFs are saved as plain Markdown notes in your vault, so they stay yours if you cancel, and the plugin is open source under the MIT license. On desktop, chat can run your own installed, signed-in Claude Code or Codex with no SystemSculpt account or plan. Your Claude or ChatGPT account may cost money. On desktop and mobile it can use hosted SystemSculpt AI instead.

It records audio in Obsidian, transcribes audio files to Markdown or SRT subtitles, turns long recordings or a YouTube video into a note with a timestamped transcript, shows Similar Notes for the note you're in and converts PDFs to Markdown. Those hosted features use SystemSculpt credits. New chats start in Auto mode: hosted SystemSculpt AI creates and edits notes without asking and asks before moving or deleting them, while Claude Code and Codex follow their own approval rules. Choose Ask if you want hosted vault changes reviewed.

Hosted features send the content needed for processing through SystemSculpt and its providers. Similar Notes indexing sends included note text, and semantic search sends query text; the returned index stays with your vault. Using a native agent for chat does not make those separate features offline. Read the privacy policy and approval modes.

SystemSculpt is free to install, and eligible new accounts can claim 500 one-time starter credits with no card required. Pro is $9/month for hosted AI on desktop and phone, with 10,000 credits each month and no separate provider API key. Pro also adds an AI image generator, video, semantic search and Studio, an AI canvas for workflows. It does not run local models or your own API keys.

Best at: chatting with your notes, transcribing audio and finding related notes in one plugin, including on your phone. Consider another if you want local models or your own API keys (Copilot, Local GPT) or more agents to choose from (Claudian, Agent Client).

See what SystemSculpt does or read how to use Claude Code in Obsidian.

6. Local GPT: local-model text actions

Local GPT runs actions on selected text: continue writing, summarize, fix grammar or use your own prompts. It uses the separate AI Providers plugin for Ollama and OpenAI-compatible providers, and can include links, backlinks, PDFs and images as context.

The plugin is free and MIT-licensed. Whether processing stays on your machine depends on the model endpoint you configure; an OpenAI-compatible endpoint can be hosted elsewhere.

Choose it for: quick text actions with a model you control. Consider another if you want an agent working across many notes or do not want to configure a provider.

7. Text Generator: prompt templates

Text Generator generates summaries, titles, outlines and other text from your notes. Its template engine and community templates suit prompts you repeat. Its provider code includes OpenAI, Anthropic, Google Gemini and Ollama, among others.

The plugin is free and open source; configure your own provider or local model. Provider usage can cost money. Template-driven generation is a different workflow from giving an agent permission to change files across your vault.

Choose it for: reusable writing prompts. Consider another if your main need is agent chat or automatic related-note suggestions.

8. Smart Composer: writing with selected context

Smart Composer lets you choose files and folders with @, chat about them and apply suggested edits. It also documents vault search, MCP tools, and website and YouTube context. Provider options include API keys and local models through Ollama or LM Studio.

Its README says it is not under active development. It also warns of account restrictions after connecting Claude subscriptions through OAuth. Do not assume that signing in with an existing subscription is an officially supported integration; consider an API provider or local model instead.

Choose it for: writing with hand-picked context if its current feature set meets your needs. Consider another if active maintenance is essential.

Questions

Is there a free AI plugin for Obsidian? Yes. All eight install free, but model usage is separate. Smart Connections includes a local embedding model. Local GPT and other configurable plugins can use a model you run yourself. Copilot, Claudian, Agent Client and SystemSculpt can use supported desktop agents; their accounts may cost money. Eligible new SystemSculpt accounts can claim 500 one-time hosted starter credits.

Which Obsidian AI plugins can use Claude Code? Copilot, Claudian, Agent Client and SystemSculpt document Claude Code on desktop. Compare their permission controls and setup, not just the shared model name. See how to use Claude Code in Obsidian.

Which ones work on iPhone and Android? Smart Connections documents mobile support. SystemSculpt supports hosted AI on mobile. Copilot's Quick Chat, Quick Ask and Commands work on mobile, but Agent does not. Claudian and Agent Client are desktop only. A plugin's mobile-compatible manifest alone does not verify every provider or feature.

Which ones can use a local model? Local GPT, Copilot, Text Generator and Smart Composer offer local-model configurations. Smart Connections includes a local embedding model for related notes. SystemSculpt does not offer local-model routing. Check the endpoint: a local plugin interface is not proof of offline processing.

Does Obsidian have built-in AI? Its core plugins do not provide the AI chat, generation or semantic-search workflows compared here. These come from community plugins. See whether Obsidian has AI.

Can ChatGPT be integrated into Obsidian? Desktop agent plugins can run Codex with a compatible ChatGPT account. Plugins such as Copilot and Text Generator can also use an OpenAI API key. A ChatGPT subscription and API billing are separate; verify the plugin's supported connection method.

Can I use more than one? Yes. For example, use Smart Connections for related notes alongside a chat or agent plugin. Check overlapping indexing and provider settings rather than assuming both share one setup.

For a closer look, read our head-to-head comparison. If you're weighing costs, see what Obsidian AI plugins cost.

Sources

Checked November 7, 2026. Primary documentation describes supported features, not independent proof of their quality.

• Copilot: README, pricing and Supporter terms, Agent docs, search docs
• Claudian: README, manifest
• Smart Connections: README, Pro plans
• Agent Client: README, manifest
• SystemSculpt: README and privacy/approval details, pricing, plugin docs
• Local GPT: README, manifest
• Text Generator: README, providers, manifest
• Smart Composer: README, maintenance notice and account warning, manifest

Ready to try SystemSculpt? Install it free from the Obsidian directory and follow getting started.