Union Alpha is a multimodal model built for research, coding, and agentic workflows, while delivering frontier-level performance across a broad range of general-purpose tasks. Union Alpha is a stealth model....
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Union Alpha is a multimodal model built for research, coding, and agentic workflows, while delivering frontier-level performance across a broad range of general-purpose tasks. Union Alpha is a stealth model. It is published by Stealth and catalogued here from OpenRouter.
Union Alpha accepts up to 262.144K tokens of context and returns up to 131.072K output tokens.
Provider catalogs list support for image input.