Free, Private Local AI Chat

Your AI — on your device
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Totally Yours

Chase the full power of AI on your computer absolutely free
Laptop screen showing chat interface with Sigma Eclipse assistant planning a trip from Shanghai to Amsterdam.Blue button with white shield icon and check mark, and text reading PrivateBlue rounded button with a white padlock icon and the word Secure.Blue rounded button with white location pin icon and the word Local in bold letters.

No Сloud Сosts = Free Forever

Two blue app icons: one with a laptop and one with a muted cloud symbol.

No servers.

Blue shield with white padlock icon symbolizing data or information security.

No storage.

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No cost.

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Comparison

Sigma Eclipse
Chat GPT
Gemini
DeepSeek
Privacy
cloudless computing
data sent to cloud
data sent to cloud
data sent to cloud
Cost
absolutely free ai
need subscription
need subscription
authorization required
Speed
local=instant
responses can lag or queue
network-dependent, slower under load
delays, throttling, and congestion happen

Download Sigma Eclipse

FAQ

Why use a local LLM instead of cloud-based models?
How private is Sigma Eclipse?
Will the local LLM slow down my browser?
Do I need an internet connection for the AI to work?
What tasks can the local LLM handle?
Can I use it for professional work?
How are the models updated if everything is local?
Does Sigma Eclipse support plugins or extensions?
How is Sigma Eclipse different from open-source local solutions?
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