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model roundup

Mythos 5

16 items · started 2026-06-26 · closed 2026-07-04

  1. The US has lifted export curbs on Anthropic’s newest Claude models, Fable 5 and Mythos 5, about three weeks after the Trump administration flagged the models as national security risks. As of today, Anthropic confirmed in a blog post, Fabl…

  2. https://www.anthropic.com/news/claude-fable-5-mythos-5 When released on June 9th, Anthropic planned to include Fable 5 on subscription for a limited time. Then transition to usage credits.

  3. Key points: Fable 5 returns globally on Claude Platform, Claude.ai, Claude Code, and Claude Cowork. Pro, Max, Team, and some Enterprise users get Fable 5 included for up to 50% of weekly usage limits through July 7.

  4. The US government has lifted export controls on Anthropic’s most advanced AI models, the company said Tuesday evening. “We’ve received notice that the Department of Commerce has lifted export controls on Claude Fable 5 and Mythos 5,” Anthr…

  5. We’ve received notice that the Department of Commerce has lifted export controls on Claude Fable 5 and Mythos 5. We'll begin restoring access tomorrow, and will share an update soon.

  6. 30th June 2026 We’ve received notice that the Department of Commerce has lifted export controls on Claude Fable 5 and Mythos 5. We'll begin restoring access tomorrow, and will share an update soon.

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  8. Two weeks into the ban that caused Anthropic to pull its powerful cybersecurity-oriented models, Mythos 5 and Fable 5, from the market, the Trump administration is softening its stance. It is now allowing Anthropic to make Mythos 5 availab…

  9. Legion LegalTech says the export directive that shut down Fable 5 and Mythos 5 worldwide has done “immediate, irreparable, and existential” harm to its business. US legal-technology company has sued the federal government over the directiv…

  10. Since June 12, we’ve been working closely with the US government to restore access to Claude Mythos 5 and Fable 5. Today, the government notified us that Mythos 5, our strongest cybersecurity model, can be redeployed to a set of US organiz…

  11. Source: https://www.cnbc.com/2026/06/26/us-government-anthropic-claude-mythos5-ai.html?__source=iosappshare%7Ccom.atebits.Tweetie2.ShareExtension

  12. Letter: the US lifts its block on Mythos 5, allowing Anthropic to release it to more than 100 US institutions; sources: talks about Fable 5 are ongoing (Semafor) (Visit Techmeme dot com for the link and full context!)

  13. GPT-5.6 Officially Previewed: Beats Mythos 5 - OpenAI has officially previewed the GPT-5.6 family, introducing Sol Ultra (Pro), Sol, Terra (Mini), and Luna (Nano). - On TerminalBench 2.1, GPT-5.6 Sol Ultra scores 91.9%, beating Claude Myth…

  14. The recent decision ordering the company to shut down its Fable 5 and Mythos 5 models seems to be less about security than about obedience. The US government decision to force Anthropic to close down its latest and greatest AI models, Fabl…

  15. We want to help all companies be secure, working with the USG and the security ecosystem. *The full version of GPT-5.5-Cyber is here; state of the art performance on CyberGym.

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