Mystery AI model Ox Alpha appears on OpenRouter, free with 1M context

Ox Alpha, a free reasoning model with a 1M context window and multimodal support, appeared on OpenRouter on Aug 20, 2026, drawing developer interest. Its creator remains anonymous, sparking speculation it may be from Chinese lab Z.ai or Microsoft's MAI.
How this story unfolded
2 days · 2 reports · 4 community posts · from Aug 21
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