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Anthropic Claude Fable 5: Why does the new Mythos-class AI model flag simple biology questions about cancer & mitochondria? Here's what we know

India, June 10 -- Artificial intelligence company Anthropic has introduced Claude Fable 5, a new AI system that the company describes as the first public release from its powerful Mythos class of ...
CNBC

Anthropic releases Mythos-like AI model to the public two months after private rollout rocked Wall Street

Anthropic announced Claude Fable 5, a Mythos-class model that will be available to its enterprise customers and paid subscribers. The company unveiled Mythos in April and has limited the rollout ...
9to5Mac

Anthropic just released public Mythos-class AI model called Claude Fable, details here

Back in April, Anthropic unveiled its Claude Mythos AI model that it said was too powerful to publicly release. Instead, the company has shared access with software vendors, including Apple, in an ...
CSOonline

Anthropic releases Mythos-class Fable 5 model with safeguards for cyber risks

Anthropic says these fallbacks occur in fewer than 5% of sessions, meaning most users will effectively interact with the full Mythos-class model during ordinary use. Early testing by security ...
VentureBeat

OpenAI debuts GPT‑5.1-Codex-Max coding model and it already completed a 24-hour task internally

OpenAI has introduced GPT‑5.1-Codex-Max, a new frontier agentic coding model now available in its Codex developer environment. The release marks a significant step forward in AI-assisted software ...