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OpenRouter launches free stealth model "Union Alpha" from anonymous developer

OpenRouter's model page details Union Alpha's specs and terms

2 Sep 16 11:24 AM · 11d ago · 1 post · 1 source · development 2 of 2

OpenRouter's listing page for Union Alpha specified it is hosted by a single anonymous third-party provider, has a 262,144-token context window with up to 131,072 completion tokens, supports tool calling and JSON output, and is currently priced at zero for prompt and completion tokens.

OpenRouter's model page details Union Alpha's specs and terms
x.com

“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.”

OpenRouter, model listing page · hn ↗

OpenRouter AI model routing platformUnion Alpha Anonymous stealth AI model / undisclosed developer

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1–2OpenRouter's model page details Union…
Sep 17Sep 18Sep 19Sep 20Sep 21Sep 22Sep 23Sep 24Sep 25yesterdaynow · 8:28 PM ET

All 2 developments of OpenRouter launches free stealth model "Union Alpha" from… →

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