model-fingerprinting

#model-fingerprinting

@qqqqqf_: I additionally tested Fable5. I found that it does not achieve very high similarity (>0.9) with most of Anthropic's models. This likely indicates that it could be an unprecedented new base model trained on a mixture of data (just speculation; note that post-training also affects fingerprint results, for reference only). But there is an extra surprise…

X AI KOLs Timeline ↗ · 2026-07-02 Cached

User @qqqqqf_ shared fingerprint test results for Fable5 and other models, finding that Fable5 has low similarity with most Anthropic models but very high similarity with kimi k2.7, qwen3-7max, glm5.2, etc., speculating possible data leakage or distillation. At the same time, they released an open source project ai-model-fingerprint for model identification and detection.

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model-fingerprinting

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