Free · Open-source · No account
Download
Download Astra
Pick your platform. Chat right after install — pull more models any time.
iOS
iOS 15.0+ · iPhone / iPad
Android
Android 10+ · 4GB RAM recommended
macOS
Apple Silicon · macOS 13+
Windows
Windows 10/11 · x64
Scan to visit
Scan to open opencrabs.org
Requirements
System requirements
Minimum
iOS 15 / Android 10, 4GB RAM. Runs 0.8B–1.5B quantized models.
Recommended
iPhone 13+ / Snapdragon 8 Gen 1+, 8GB RAM. Smooth 3B inference.
Flagship
iPhone 15 Pro / Snapdragon 8 Gen 3, 12GB+ RAM. Runs 7B quantized models.
Storage
Reserve 4–10 GB for model files.
By downloading you accept the Astra license and privacy policy