Z.ai Admits It Secretly Tested Its Own AI Model Under a Pseudonym
Z.ai, a Chinese artificial intelligence firm, has confirmed that the previously unidentified AI model called Ox Alpha was actually its own GLM-5.3-Flash. The company had anonymously placed the model on the OpenRouter and OpenCode platforms for testing. This disclosure ends speculation about the model's true origin.
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Original headline: “Everything we know about Z.ai, the Chinese company behind the mysterious Ox Alpha model.” Browse more stories.