Sipher AI
SipherMail includes a full AI suite built on infrastructure we host ourselves in the EU (Finland). Your email data is not sent to a third-party AI provider.
AI features
- Sipher AI Copilot — A 4th-pane chat assistant that knows your inbox. Ask questions, summarise threads, and get drafts.
- Rewrite & Suggestions — In-editor AI for improving tone, clarity, and generating reply drafts.
- Thread Summaries — One-click AI summary of long threads and attachments.
- AI Credits — How credits work, per-plan limits, and how to top up.
Privacy model
All AI features run on a model we host ourselves in the EU (Finland).Your data is not sent to OpenAI, Anthropic, Google, or any other third-party AI provider. No data is used for model training. Each feature stays off until you opt in.
Enable AI features
Go to Settings → Sipher AI and toggle on the features you want. Each feature can be enabled or disabled independently. Some features consume AI credits.