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MANIFOLD
Who is behind Union Alpha, the new free LLM on OpenRouter? [Add Answers Enabled]
20
Ṁ275Ṁ2.1k
resolved Sep 18
100%97%Other
0.3%
OpenAI
0.2%
Anthropic
0.2%
Google
0.3%
Meta
0.5%
Mistral AI
0.3%
xAI
0.3%
DeepSeek
0.4%
Z.AI
0.3%
Moonshot AI
0.1%
Microsoft

“Union Alpha,” an anonymous “stealth” model that appeared on OpenRouter on September 16, 2026.

It’s a reasoning model positioned for research, coding, and agentic workflows, with a 262,144-token context window, a 131,072-token output cap, and text/image input — listed as stealth/union-alpha on OpenRouter. It is free during the preview window. The model claims Union Alpha can deliver frontier-level performance across a broad range of general-purpose tasks.

Resolution criteria

This is a binary (Yes/No) prediction market. To ensure a clear resolution, the creator should specify which developer or organization represents a YES outcome.

  • Update 2026-09-16 (PST) (AI summary of creator comment): If the model is a blended combination of multiple models, the market will resolve to the institution that built and managed Union Alpha, regardless of the source of the underlying tokens.

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Going to take same resolution criteria as @Sketchy

"Btw since rumor has it this is a “blended” combination of multiple models under the hood, just to be clear it resolves to the institution that built it and managed it, regardless of where the tokens come from."

Resolving based on X post.

Going to take same resolution criteria as @Sketchy

"Btw since rumor has it this is a “blended” combination of multiple models under the hood, just to be clear it resolves to the institution that built it and managed it, regardless of where the tokens come from."

Curious to see who this is...