OpenAIAnthropicGooglexAIPerplexity
← Back to all updatesPublished ·Anthropic◆ Critical
Anthropic removed the modelcard guidance listing Claude Fable 5 and Mythos 5.
The read
Model selection and availability references for those Claude 5 SKUs are no longer present on the monitored page.
The frame
Critical because the removed text covered model choice, access channels, API changes, and release timing.
Primary source
Anthropic modelcard →Keep reading
See what Nova3 builds →Related updates
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