September 17, 2026
Union Alpha will be more available tomorrow: OpenRouter will add capacity on the morning of September 18
On the morning of 18 September 2026, OpenRouter promises to bring more capacity online for Union Alpha, which is currently experiencing interruptions. The multimodal model is free for research, programming, and AI-agent tasks, supports a 256-thousand-token context window, and offers tool calling.
OpenRouter
@openrouter
Tomorrow morning, significantly more capacity will become available for Union Alpha. Thank you for bearing with the interruptions for now!
OpenRouter @OpenRouter
🥷 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
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On the morning of 18 September 2026, OpenRouter promises to bring more capacity online for Union Alpha, which is currently experiencing interruptions. The multimodal model is free for research, programming, and AI-agent tasks, supports a 256-thousand-token context window, and offers tool calling.
Additional Union Alpha capacity is expected to come online on the morning of 18 September 2026.