Every Major Model
OpenAI, Anthropic, Gemini, Grok, Mistral, and Ollama in one native UI.
Native macOS AI assistant
Instant, private AI on your Mac. One hotkey from anywhere.
Press ⌥ Space, ask, and keep moving. Bring your own API keys, skip accounts, and switch between OpenAI, Anthropic, Gemini, Grok, Mistral, or Ollama.
7 days free, then $9.99/month. Cancel anytime. No account required for AI usage.
No Aether account requiredYour keys stay in KeychainDirect subscription via Lemon Squeezy
Product demo coming soon
Screen Studio walkthrough will be embedded here.
Demo PlaceholderSwappable with Screen Studio embed
⌥ Space. Ask. Done.
Aether appears over your current app, captures your question, and streams a response before you lose focus.
Aether
Explain this SQL join and optimize it for Postgres.
1. This join is currently scanning both tables in full because the foreign key is unindexed.
2. Add an index on `orders.customer_id` and use a narrower select list.
3. Copy-ready query generated|
CopyShorten
Average time to first token: <500ms. Average session: under 30 seconds.
Built for real workflows.
Aether is a native utility for developers and operators who use AI all day.
Your Keys, Your Privacy
Keys stay in macOS Keychain. API calls go direct from your Mac.
Local AI with Ollama
Run completely offline when needed and avoid API costs for local tasks.
System Prompt Presets
Switch between Code Reviewer, Email Writer, and Translator in one click.
Conversations That Last
History, folders, full-text search, and iCloud sync across your Macs.
Code-First Responses
Syntax highlighting, one-click copy, export to PDF/Markdown, and uploads.
We don't want your data. Period.
No Account Required
Start your trial in-app and use AI features without creating a separate Aether account.
No Backend
Model requests go directly from your Mac to your chosen provider.
No Telemetry on Content
We never receive your conversations or prompts. Ever.
Your Mac
→AI Provider
✕ No middle server
Provider API
Privacy by default
Privacy analytics via TelemetryDeck: no personal data and no conversation content. Subscription entitlement is validated through our licensing service, and no conversation content is sent to us.
One app. Every AI.
Switch models mid-conversation. Compare responses. Use the best model for each task.
Prompt
Refactor this async retry helper for readability and add unit tests.
OpenAI
Structured output with concise implementation detail and pragmatic caveats.
Everything you need. Nothing you don't.
One plan. Full feature access. No hidden upgrades or feature walls.
Unlimited conversations
All 6 AI providers
Unlimited system prompt presets
Conversation history and full-text search
Folders and organization
iCloud sync across Macs
Export to PDF and Markdown
File uploads
Quick actions (copy, shorten, translate)
Syntax highlighting and code blocks
Dark and light themes
Local AI via Ollama
Pricing
Aether Pro
7 days free
Then $9.99/month
Cancel anytime. No charge during trial.
Secure payment via Lemon Squeezy · Cancel anytime from your customer portal
After your 7-day free trial, you'll be charged $9.99/month. Cancel anytime from your Lemon Squeezy customer portal.
FAQ
Up and running in 60 seconds
1
Start Trial on Web
Begin your 7-day trial through secure Lemon Squeezy checkout.
2
Open and Activate
Install Aether, open it, and complete activation with your secure token.
3
⌥ Space — Go
Trigger Aether from anywhere and ask without switching apps.
Built native. Built right.
100% Swift and SwiftUI — no Electron, no web wrapper
macOS Keychain for all secrets
SQLite + GRDB for instant local search
iCloud sync via CloudKit — no custom backend
Hardened Runtime + Apple Notarized
SSE streaming with provider-specific adapters
Built by developers, for developers.
We built the AI assistant we wanted to use all day without giving up speed or privacy.
“Aether replaced my browser tabs on day one. ⌥ Space feels like it should have shipped with macOS.”
Alex M.
Staff iOS Engineer
“I can swap between Claude and GPT without losing context. It is now my default writing workflow.”
Priya K.
Product Marketing Lead
“Local Ollama support sealed it for me. Privacy model is clear and technically honest.”
Marco R.
Security Architect
Your AI. Your Mac. No compromises.
7 days free, then $9.99/month. Cancel anytime.
Direct checkout · macOS 14+ required · No account needed for AI