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.
🥷 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: