AI assistant that learns about you, runs in the cloud and finishes tasks on your devices.
Praex homepage
1 / 2Overview
What is Praex?
The smartest AI assistant you'll ever use.
Praex is an AI copartner in your terminal, on your phone and on the web.
One agent that reads, edits and runs code with your permission, searches the live web, and keeps the same session across every screen. Praex learns about you from everything you share: your work, emails, code and preferences, and remembers it across chats. The cloud agent keeps working while you sleep, and the lightweight app runs tasks on every device. Velox II, the model post-trained and served by Praex, is free every day; Pro is $20 a month. The Praex CLI and desktop app are open source (a fork of opencode, MIT licensed), and Praex is a member of the NVIDIA Inception program.
Pricing starts free: the Free plan covers 1 seat with limited model access. Starter is $20 per month, Pro is $50 per month and Business is $200 per month. Contact [email protected] for support, press and partnerships.
Platforms and languages
Praex Availability
Platforms
Languages
Capabilities
Praex Key Features
Learns about you from your data
Learns from everything you share: your work, emails, code and preferences, and remembers it across chats.
Own model, no middleman
Velox II is post-trained and served by Praex directly, with no sign-up required to start.
Runs in the cloud, acts on your devices
A cloud agent that works while you sleep, with a lightweight app that runs tasks on every device.
Works everywhere
One copartner in your terminal, on your phone and on the web, keeping the same session across every screen.
Open source CLI
The Praex CLI and desktop app are open source: a fork of opencode, MIT licensed.
Best for
Who uses Praex?
Professionals and teams that want a proactive AI assistant
Let a cloud agent learn your work, run code and finish tasks across terminal, phone and web.
Plans and access
Praex Pricing
Freemium
Free (1 seat, limited); Starter $20/mo; Pro $50/mo; Business $200/mo.
Common questions
Praex FAQs
Which platforms does Praex support?
Windows, macOS, Linux, web and Android.
What models can Praex use?
Velox II (post-trained and served by Praex) plus Claude 3.7 Sonnet, GPT-5, DeepSeek V3.1, Gemini 2.5 Flash, Kimi K2 and Llama 3.3, with BYOK on paid plans.
How much does Praex cost?
Free (1 seat, limited model access), Starter $20/month, Pro $50/month, Business $200/month.
Is Praex open source?
The Praex CLI and desktop app are open source: a fork of opencode, MIT licensed.
How do I delete my account?
From the website account dropdown, open the deletion dialog, type DELETE and confirm.
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