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US Order Forces Anthropic to Disable Fable 5 and Mythos 5 for All Users

Anthropic has been compelled by a US government order to disable two of its frontier AI models, Fable 5 and Mythos 5, for all users. The directive, citing national security concerns related to a potential jailbreak that could allow the models to identify software vulnerabilities, required Anthropic to block access for foreign nationals. Due to the complexity of implementing such a restriction rapidly, Anthropic chose to suspend access for all customers to ensure compliance, impacting users globally. This action highlights how geopolitical and national security concerns can now directly influence the availability of advanced AI models, shifting procurement considerations beyond typical vendor reliability. AI

IMPACT This event signals that geopolitical and national security concerns can now directly restrict access to advanced AI models, impacting procurement strategies.

RANK_REASON A government order directly impacts the availability of frontier AI models from a major lab.

Read on dev.to — Anthropic tag →

AI-generated summary · Google Gemini · from 2 sources. How we write summaries →

COVERAGE [2]

  1. dev.to — Anthropic tag TIER_1 English(EN) · XOOMAR ·

    US Order Forces Anthropic to Kill Fable 5 and Mythos 5

    <p><strong>Anthropic’s forced shutdown of Fable 5 and Mythos 5 signals that frontier AI access can now be cut by government order faster than customers can understand why.</strong> The company disabled both models for all customers after a US export control directive required it …

  2. dev.to — Anthropic tag TIER_1 English(EN) · XOOMAR ·

    US Order Forces Anthropic to Kill Fable 5 for Everyone

    <p><strong>Two frontier AI models</strong>, <a href="https://dev.to/technology/anthropic-fable-mythos-export-order"><strong>Fable 5</strong> and <strong>Mythos 5</strong></a>, are being pulled from everyone because Washington ordered Anthropic to cut off access for one category o…