Expired50% confidenceFactExact time
Both OpenAI and Anthropic have explicitly stated that the only reliable way to determine a model's true identity is through the model identifier (model ID) returned by the official API, not through the model's self-description in conversation.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
Is Claude Fable 5 Real? A Deep Analysis and Guide to Spotting Fake AI Products
bilibiliAI未来20306/11/2026
Related Claims
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