Free stealth reasoning model for coding, agentic work, and multimodal workflows available through OpenRouter
Open-source toolkit for building, simulating, and deploying business process diagrams with code and AI
Stage
Not given
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Founded
Not given
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Based in
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Pricing model
Free
Open source
Pricing
$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
Free, MIT-licensed
Key features
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
Fluent TypeScript API for BPMN authoring
Automatic layout with Sugiyama engine
Type-safe element guards
Roundtrip fidelity preserving extensions
Zero third-party dependencies
DMN decision table builder
Camunda form generation
In-process BPMN simulator
LLM-friendly compact format
Camunda 8 REST client with 180 methods
What makes it different
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
Write BPMN diagrams as code with 13 lines of TypeScript instead of 41 lines of XML
Works across browsers, Node, Deno, Bun and edge runtimes with no dependencies
Direct Camunda 8 deployment with OpenAPI connector generation
AI-friendly format for LLM-driven diagram generation