A mysterious free AI model is impressing developers. And nobody knows who made it.0

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• August 22, 2026

A mysterious new AI model is making the rounds among developers — and nobody is saying who built it. Ox Alpha appeared on OpenRouter on Thursday as a “stealth model” from an anonymous third-party provider. OpenRouter describes it as a “reasoning model designed for coding, sustained agentic work, and production workloads. It is suited for