Anthropic restricts Fable 5 from frontier AI development, triggering power consolidation debate

        June 13, 2026

Anthropic restricts Fable 5 from frontier AI development, triggering power consolidation debate

Also: OpenAI outlines goal to build automated AI researcher by March 2028‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ 

                X-Risk Daily

                Saturday 13 June 2026

Transformative AI

Anthropic restricts Fable 5 from frontier AI development, triggering power consolidation debate

On 9 June 2026, Anthropic launched Claude Fable 5, the first publicly available version of its Mythos model, marking a significant shift in how frontier AI developers control access to their most powerful systems.

            Also in this issue

Transformative AI

OpenAI outlines goal to build automated AI researcher by March 2028

Transformative AI

Senate Armed Services Committee Approves AI Guardrails Act for Pentagon

Transformative AI

US government orders emergency shutdown of Anthropic's Fable 5 and Mythos 5 models citing national security

Transformative AI

White House negotiates federal AI law preemption in exchange for child safety support

Research

Google DeepMind paper argues AGI to ASI may be "series of transformative changes" rather than single step

Research

DeepMind builds AI agents that find behavioural differences between language models

            … and 53 more in the full briefing

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