GoKawiilLineageEval Traces Ox Alpha's Censorship Pattern to GLM Model Family
Researchers analyzed Ox Alpha, a model that appeared on OpenRouter on August 20 without a disclosed developer, using their LineageEval censorship-detection tool. They found its tokenizer matches the GLM-5.x vocabulary exactly across 11 tests, confirming community suspicions that it belongs to the GLM family despite being listed as a third-party product.
GoKawiil's interpretation of the reporting above, not reported fact.
Rather than broadly softening answers like DeepSeek V4 Flash, Ox Alpha behaves like most Western models on most sensitive subjects but flips into hard refusal on a narrow list of seven topics, including Xi Jinping and domestic incidents. This binary, topic-specific censorship pattern is a distinctive fingerprint that can help identify a model's true origin even when its provenance is deliberately obscured.
- Ox Alpha's tokenizer matches GLM-5.x vocabulary in all 11 tested instances, tying it to the GLM family.
- Its censorship is concentrated in just 7 topics, contributing nearly all of its overall censorship score.
- Unlike DeepSeek V4 Flash's broad, mild censorship, Ox Alpha shows a sharp on/off switch limited to a defined blacklist.
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Published there as: “Behaviorally fingerprinting Ox Alpha's provenance”
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