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DEVONthink is a professional document and information manager for Mac and iOS. It stores your documents as data in easy-to-backup databases where you can structure, organize, and work with them. DEVONthink uses AI to see connections between documents, suggest categories, and assist in searching your databases.
This integration lets you use Alter as your AI provider in DEVONthink. It’s available to anyone with an Alter subscription.Alter provides an OpenAI-compatible API endpoint — learn more about API pricing and available models.

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What it supports

  • AI-powered search and querying across your DEVONthink database
  • Smart sorting and organization with AI
  • Content summarization and extraction
  • Integration with generative AI via OpenAI-compatible providers

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Setup Alter with DEVONthink

  1. Open DEVONthink and go to Settings
  2. Navigate to the AI tab
  3. Under Provider, select OpenAI Compatible
  4. Enter your Alter credentials:
    • API Key: Your Alter API key
    • Endpoint: https://alterhq.com/api/v1/chat/completions
  5. Click the Refresh button to load available models
DEVONthink Alter setup

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Known issue

DEVONthink has a bug where the model list may not appear after clicking Refresh. If this happens:
  1. Quit DEVONthink completely
  2. Reopen DEVONthink
  3. Go back to Settings > AI
  4. The available Alter models should now appear in the list
After selecting your model, you can adjust the context window for better performance with longer documents. A max output tokens of 16,000 tokens is recommended for most use cases.

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Learn more