Ox Alpha

Stealth AI model Ox Alpha surfaces on OpenRouter

An unidentified entity has released a frontier-level coding model named Ox Alpha on the OpenRouter platform, offering zero-cost input and output tokens without disclosing who developed it or where processed data is routed. Claims are as reported; this summary makes no determination about accuracy or significance.

• Moderate confidence
• Limited corroboration

Product

Ox Alpha

Z.ai launched GLM-5.3-Flash

Z.ai has launched GLM-5.3-Flash, an open-source foundation model containing 320 billion parameters. According to third-party evaluation by Artificial Analysis, the model scored within three points of the flagship GLM-5.3 on the Intelligence Index while reducing operating costs by approximately 85 percent. Claims are as reported; this summary makes no determination about accuracy or significance.

• Moderate confidence
• Limited corroboration