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Claude Opus 4.8 removed from models page, Fable 5 and Mythos 5 added — ModelPriceLab

Changes/Claude Opus 4.8 removed from models page, Fable 5 and Mythos 5 added

MajorAnthropicNew Launchclaude-opus-4

Claude Opus 4.8 removed from models page, Fable 5 and Mythos 5 added

Anthropic removed Claude Opus 4.8 from the models documentation and added Claude Fable 5 and Claude Mythos 5 as the new most capable models. This is a significant model lineup change that may require users to migrate to new models for highest capability tasks.

Jun 11, 2026Views:0

Impact Assessment

Cost2

Reliability0

Migration4

Quality4

Compliance0

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docs

Anthropic Models Docs

self.__next_f.push([1,"28:[\"$\",\"$L2b\",null,{\"children\":[\"$\",\"$L2c\",null,{\"requiresExplicitConsent\":true,\"gpcDetected\":false,\"children\":[\"$\",\"$L2d\",null,{\"appId\":\"lupk8zyo\",\...

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