Anthropic removed Fable 5 and Mythos 5 guidance from its modelcard page.

Treat prior Fable 5 and Mythos 5 availability details as withdrawn from this monitored surface.

Removed text included model selection guidance, availability channels, June 9, 2026 timing, and the comparison table.

• Aug 25, 2026OpenAI models page removed visible model selection documentation text.
• Aug 25, 2026Anthropic model card removed Claude Fable 5 and Claude Mythos 5 selection guidance
• Aug 25, 2026OpenAI removed business pricing copy listing GPT-5.6 and GPT-Image-2 rates.

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