Principia brings the world's most advanced AI models together — for intelligent chat, image analysis, AI art creation, and video generation — all in one secure, privacy-first app.

SUPPORTED AI MODELS
Access leading AI models from the world's top providers — all in one app:
- GPTs from OpenAI
- Gemini from Google
- Claude from Anthropic
- Grok from xAI
- And more

Switch between models instantly. Adjust thinking level, tune temperature for
precision or creativity, define custom system prompts, and fine-tune behavior
to match your exact workflow.

AI VIDEO GENERATION
Transform text prompts into cinematic-quality videos using cutting-edge
generation models. Customize pacing and visual style for social media,
presentations, or personal projects — right from your pocket.

AI ART AND IMAGE CREATION
Generate stunning artwork and digital images across a range of visual styles.
Professional-grade image generation with full parameter control, delivered
directly on your device.

ADVANCED IMAGE ANALYSIS
Upload any photo and let computer vision go to work. Identify objects, extract
text from images, analyze complex visual data, or generate creative ideas based
on what the AI sees.

CHAT AND PRODUCTIVITY
- Intelligent answers to complex questions across any topic
- Draft emails, reports, stories, and professional documents
- Write, review, and debug code in multiple languages
- Summarize long documents and translate between languages
- A capable 24/7 research and brainstorming assistant

PRIVACY BY DESIGN
Your data belongs to you — and Principia is built around that principle.
- No account required to get started
- Chat histories, generated images, and videos are stored locally on your device
- No cloud data mining and no personal data sharing

USAGE-BASED ACCESS
Principia adapts to how much you use it, without locking you into monthly plans:
- Basic access with minimal, unobtrusive ads
- Optional credit packs for heavier usage
- Pay only for what you actually use, with no hidden fees

Download Principia and take full control of your AI experience.