Anthropic revised hidden AI safeguards in its Mythos and Fable models after researchers criticized covert restrictions that limited Claude's ability to help

Anthropic has released a full version of its cybersecurity-centric Claude Mythos model—along with a safer version for the general public.

Anthropic is releasing Claude Fable 5, its first Mythos-class model available to the public. The model comes with guardrails that block responses in high-risk areas like…

Anthropic launches Claude Fable 5, a Mythos-class AI model engineered with new safeguards that specifically restrict its use in cybersecurity.

Anthropic, maker of the Claude artificial intelligence (AI) models, on Tuesday made the most powerful version of its technology available to the general public while restricting…

Back in April, Anthropic unveiled its Claude Mythos AI model that it said was too powerful to publicly release. Instead,...

Anthropic said it could not yet release the full Claude Mythos 5 model, so instead it created Fable 5 with baked in safeguards.

Anthropic launches Claude Fable 5, its most powerful AI model yet, balancing advanced capabilities with strict safety safeguards and restricted high-risk uses.

Anthropic launched Claude Fable 5, its most capable consumer-facing AI model to date, but with a few guardrails.

Fable 5 is the first Anthropic Mythos model released for public use.

AI company restricted access to Fable 5, its most powerful Mythos model, for months over cybersecurity concerns

Anthropic launches Claude Mythos 5 for restricted cybersecurity use and Claude Fable 5 for the public, splitting its most powerful AI model into two tiers.

Anthropic faces backlash as Mythos-based models intentionally limit help for AI research, raising transparency and ethical concerns.

Anthropic, maker of the Claude artificial intelligence (AI) models, made the most powerful version of its technology available to the general public

Anthropic introduced Claude Fable 5 and Claude Mythos 5, enhancing capabilities while addressing security concerns with a safer version for broader public access.

Anthropic has unveiled Claude Fable 5, a model similar to Claude Mythos but with major cyber barriers blocking risky prompts and replies.

Anthropic has launched Claude Fable 5 and Claude Mythos 5, introducing a new class of AI models designed for long-horizon, autonomous tasks. The release highlights the industrys…

A paragraph buried in Fable 5's 319-page system card revealed the model would silently downgrade its responses for certain AI development work — without telling users.

A paragraph buried in Fable 5’s 319-page system card revealed the model would silently downgrade its responses for certain AI development work—without telling users.

Anthropic launches Claude Fable 5 publicly while keeping its most powerful Mythos Preview restricted, as CEO Dario Amodei warns of destabilizing AI risks.

"Anthropic's strengths are particularly evident in coding, agents, and enterprise, where Claude has emerged..."