A new, mysterious model just showed up. We don't know who created it. It's free for about a week on OpenRouter, with zero data retention for prompts and code. It's built for coding and multi-step agent tasks. Anyone could be behind this model. I can't wait to see the benchmarks.

OpenRouter@OpenRouter6h ago

🥷 New stealth model: Union Alpha (@unionalphaai) A multimodal model for research, coding, and agentic workflows. - Free to use - 256K context - Tool calling - Frontier-level general-purpose performance Try it now and share your feedback: https://openrouter.ai/stealth/union-alpha