OpenAIAnthropicGooglexAIPerplexity
← Back to all updatesPublished ·Anthropic◆ Critical
Anthropic model card removed Opus 4.8 guidance and Fable 5/Mythos 5 listings
The read
Builders should treat prior model routing and IDs from this page as no longer page-backed.
The frame
The removed text included capability positioning, API IDs, and cloud availability references.
Primary source
Anthropic modelcard →Keep reading
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