Hefty by name. Elite by nature. Built to prove it.

A personal AI that lives on your computer. Elite performance, every prompt, every time.

Download Beta Learn More
Example
Prep me for tomorrow's board meeting using last quarter's data
✓ Found 14 relevant documents on your machine
✓ Built a 5-slide summary with key metrics
✓ Flagged 2 risks the board will ask about
→ You're ready. Slides and talking points attached.

What You Get

Elite when it's easy. Elite when it's hard. Elite when it matters most.

Hefty - because your problems aren't small. Elite - because your standards aren't either.

Works Alongside You

Hefty doesn't wait for instructions twice. It connects to services, drives apps, and executes — so you're free to focus on what's next.

Your Data Stays Yours

Everything runs on your machine. Your conversations and data stay exactly where they belong — with you.

Gets Better Over Time

Hefty learns how you work and adapts. The more you use it, the sharper it gets.

Remembers What You're Working On

Pick up exactly where you left off. Hefty tracks your projects and context so you never repeat yourself.

You're Always in the Loop - You Decide

Full visibility into every step. Nothing happens behind your back — you call the shots.

Connects to Your Favorite Tools

Extend Hefty with plugins and integrations. Your favorite tools, connected and ready.

Explore all features & roadmap

Download

Download Hefty

You outgrew your last AI. Go Elite.

Quick setup (about 2 minutes)

Hefty uses AI to understand your requests. On first launch, you'll choose how to power it - run AI on your own computer for free with Ollama or LM Studio, or connect to a cloud service like OpenAI or Anthropic.

Linux AppImage
Download x64 Download ARM64
macOS DMG
Download ARM64 Download x64
Windows x64 Installer Download
First time? Your OS may show a security warning.
Here's how to allow Hefty to run
Docker Container image
docker pull registry.hefty.bot/hefty

docker run -d -p 41890:41890 -v hefty-data:/data registry.hefty.bot/hefty

Then open localhost:41890 in your browser.

Local data storage
Works with your choice of AI
Learns as you use it

Get in Touch

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Help us raise the bar. Your feedback shapes what comes next.

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