Union Alpha AI Model Revealed as Pareto by unbiased.ai, Free Access Ends Early

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A mysterious AI model called Union Alpha, released anonymously on OpenRouter on September 16, 2026, was identified the following day as Pareto, a blended AI model developed by unbiased.ai. The model was initially offered free for approximately one week, but the free tier was shut down ahead of schedule on September 17 after demand surged to one billion tokens per minute within a single day. AWS tripled compute capacity overnight but still could not keep up with the load, prompting the company to switch to paid access. Pareto is described as a blended model that runs multiple AI models in parallel for every request and synthesizes a single response, distinguishing it from a standard model router. The company's official launch is planned for October 10, 2026, and current pricing for the latest version, Pareto 26.9, stands at $2.50 per million input tokens and $7.50 per million output tokens.

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