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

OpenRouter unveils stealth model Union Alpha

1 Sep 16 10:48 AM · 11d ago · 1 post · 1 source · development 1 of 2

OpenRouter posted on X announcing a new stealth model, Union Alpha, described as free to use, multimodal, with 256K context and tool calling, positioned as frontier-level for research, coding, and agentic workflows.

OpenRouter unveils stealth model Union Alpha
x.com

“🥷 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”

@OpenRouter

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

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Peak 2 pieces in 3h at Sep 16, 10 AM; 5 pieces over 11 days (5 posts) Sep 16, 10 AM — 2 pieces · 2 posts — Hacker News 1, X 1Sep 16, 1 PM — quietSep 16, 4 PM — quietSep 16, 7 PM — quietSep 16, 10 PM — 1 piece · 1 post — Hacker News 1Sep 17, 1 AM — 1 piece · 1 post — Hacker News 1Sep 17, 4 AM — quietSep 17, 7 AM — quietSep 17, 10 AM — quietSep 17, 1 PM — 1 piece · 1 post — Hacker News 1Sep 17, 4 PM — quietSep 17, 7 PM — quietSep 17, 10 PM — quietSep 18, 1 AM — quietSep 18, 4 AM — quietSep 18, 7 AM — quietSep 18, 10 AM — quietSep 18, 1 PM — quietSep 18, 4 PM — quietSep 18, 7 PM — quietSep 18, 10 PM — quietSep 19, 1 AM — quietSep 19, 4 AM — quietSep 19, 7 AM — quietSep 19, 10 AM — quietSep 19, 1 PM — quietSep 19, 4 PM — quietSep 19, 7 PM — quietSep 19, 10 PM — quietSep 20, 1 AM — quietSep 20, 4 AM — quietSep 20, 7 AM — quietSep 20, 10 AM — quietSep 20, 1 PM — quietSep 20, 4 PM — quietSep 20, 7 PM — quietSep 20, 10 PM — quietSep 21, 1 AM — quietSep 21, 4 AM — quietSep 21, 7 AM — quietSep 21, 10 AM — quietSep 21, 1 PM — quietSep 21, 4 PM — quietSep 21, 7 PM — quietSep 21, 10 PM — quietSep 22, 1 AM — quietSep 22, 4 AM — quietSep 22, 7 AM — quietSep 22, 10 AM — quietSep 22, 1 PM — quietSep 22, 4 PM — quietSep 22, 7 PM — quietSep 22, 10 PM — quietSep 23, 1 AM — quietSep 23, 4 AM — quietSep 23, 7 AM — quietSep 23, 10 AM — quietSep 23, 1 PM — quietSep 23, 4 PM — quietSep 23, 7 PM — quietSep 23, 10 PM — quietSep 24, 1 AM — quietSep 24, 4 AM — quietSep 24, 7 AM — quietSep 24, 10 AM — quietSep 24, 1 PM — quietSep 24, 4 PM — quietSep 24, 7 PM — quietSep 24, 10 PM — quietSep 25, 1 AM — quietSep 25, 4 AM — quietSep 25, 7 AM — quietSep 25, 10 AM — quietSep 25, 1 PM — quietSep 25, 4 PM — quietSep 25, 7 PM — quietSep 25, 10 PM — quietYesterday, 1 AM — quietYesterday, 4 AM — quietYesterday, 7 AM — quietYesterday, 10 AM — quietYesterday, 1 PM — quietYesterday, 4 PM — quietYesterday, 7 PM — quietYesterday, 10 PM — quietToday, 1 AM — quietToday, 4 AM — quietToday, 7 AM — quietToday, 10 AM — quietToday, 1 PM — quietToday, 4 PM — quietToday, 7 PM — quiet 1–2
1–2OpenRouter unveils stealth model Union…
Sep 17Sep 18Sep 19Sep 20Sep 21Sep 22Sep 23Sep 24Sep 25yesterdaynow · 8:27 PM ET

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