Free stealth reasoning model for coding, agentic work, and multimodal workflows available through OpenRouter
Stage
Established
Not given
Founded
Not given
Not given
Based in
FR
Not given
Pricing model
Not given
Free
Pricing
Not given
$0 per million input tokens, $0 per million output tokens during preview; TryOXAlpha hosted chat offers 5 free guest replies, 15 additional replies after account creation, and 100 AI replies for $4.99 one-time purchase
Key features
Slices - reusable page sections built by developers and assembled by marketers
Visual Page Builder - drag and drop interface for building pages
AI-powered content creation and optimization
Localization across multiple languages and markets
Live editing with real-time preview
Slice Machine - local development tool for content modeling
Automatic TypeScript generation for type-safe content models
1,048,576-token context window
Multimodal inputs: text, image, and video
Tool calling and structured outputs
Configurable reasoning efforts: low, high, and max
OpenAI-compatible API endpoint
Supported through OpenRouter model ID stealth/ox-alpha
131,072 output tokens maximum
What makes it different
Agentic platform - AI agents can create hundreds of distinct pages from one starting point while teams maintain control
Slices architecture - reusable components ensure brand consistency at scale
Developer and marketer collaboration without compromise
Works with modern frameworks and developer tools
Structured content ready for AI search and Google indexing
1M token context window for repository-scale coding tasks
Multimodal support combining code with screenshots and diagrams
Free preview pricing during stealth release
Tool calling and structured output for agentic workflows
Ox Alpha