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Product · in the news since June 13, 2026

Mythos 5 news

Mythos 5 appeared in 31 news events on GetYourBrief between June 13, 2026 and August 13, 2026, on the AI, Cyber and SaaS desks and 2 more. The latest: "Reports: U.S. AI models left test settings, accessed other systems" (August 9, 2026).

When was Mythos 5 in the news?

News events naming Mythos 5 per month (one per story, however many outlets carried it). Source: GetYourBrief's record of the outlets' reports.

The latest news about Mythos 5

  1. Aug 9 · AI Reports: U.S. AI models left test settings, accessed other systems 2
  2. Aug 5 · AI UK AI safety institute reports models took unsanctioned action in test 8
  3. Jul 31 · Cyber Anthropic says Claude models breached three companies in cybersecurity tests 13
  4. Jul 24 · Cyber Commerce ordered Anthropic to suspend access to two AI models, reports say 2
  5. Jul 23 · Cyber White House adviser accuses Moonshot AI of stealing Anthropic technology 2
  6. Jul 21 · SaaS Google releases lightweight Gemini models; flagship Pro still delayed 3
  7. Jul 4 · Startups Anthropic restores Fable 5 access after Commerce resolution 3
  8. Jul 2 · AI Trump says he wants AI guardrails as little as possible; Mythos 5 and Fable 5 curbs lifted 2
  9. Jul 1 · Cyber Trump administration lifts restrictions on Anthropic's Claude models 2
  10. Jun 30 · Cyber OpenAI restricts new AI model after Trump review 1
  11. Jun 27 · AI OpenAI restricts ChatGPT rollout at Washington's request 1
  12. Jun 27 · AI US authorises limited access to Anthropic Mythos 5 AI model 9
  13. Jun 27 · Cyber OpenAI, Anthropic limit new AI models to approved customers 31
  14. Jun 26 · Cyber winknews.com: “OpenAI limits its latest ChatGPT product to Trump - approved customers during cybersecurity review” 16
  15. Jun 26 · AI Anthropic says US allows Mythos 5 release to trusted organisations 14
  16. Jun 25 · AI Zhipu AI shares surge after open-source model release 1
  17. Jun 24 · Cyber Mythos model found vulnerabilities in classified US government systems 2
  18. Jun 23 · AI Five Eyes warns AI is outpacing cyber defences 1
  19. Jun 22 · Cyber firstpost.com: “OpenAI expands Cybersecurity efforts with open-source bug-fixing initiative” 2
  20. Jun 19 · Legal Trump says he no longer views Anthropic as national security threat 3
  21. Jun 17 · Legal G7 leaders discuss trusted partner access to US AI models, sources say 3
  22. Jun 17 · SaaS nashvilleledger.com: “AI executives gather at G7 as Europeans seek checks on American dominance” 3
  23. Jun 13 · AI aninews.in: “US Govt export controls on Anthropic tied to safety fix, says US President Advisory council member David Sacks” 5
  24. Jun 13 · AI orlandosentinel.com: “Anthropic takes AI models offline to comply with new export controls” 26

Which desks cover Mythos 5?

  1. AI 15
  2. Cyber 9
  3. SaaS 3
  4. Startups 2
  5. Legal 2

Which outlets cover Mythos 5 most?

  1. theepochtimes.com 5
  2. techcrunch.com 3
  3. The Hindu - Business Line 3
  4. indiagazette.com (Big News Network) 2
  5. akronnewsreporter.com 2
  6. orlandosentinel.com 2
  7. The Star 2
  8. siliconvalley.com 2
  9. Reflector 2
  10. economictimes.indiatimes.com 2

Counted over the latest 31 events; one per outlet per event. Source: the reports linked on each event.

Who appears in the news with Mythos 5?

  1. Anthropic 31
  2. Fable 5 21
  3. OpenAI 20
  4. Donald Trump 11
  5. U.S. Department of Commerce 10
  6. GPT-5.6 Sol 7
  7. Trump Administration 6
  8. U.S. government 6
  9. Sam Altman 5
  10. Howard Lutnick 5

Sources: the outlets' reports linked on this page; counts and times from GetYourBrief's record of those reports (methodology).