ANTHROPIC LAUNCHES FABLE 5 WITH SAFETY GUARDRAILS
Anthropic released Claude Fable 5, a Mythos-class model for general users, equipped with conservative safety classifiers that fall back to Claude Opus 4.8 in roughly 5% of sessions. The model is priced at $10 per million input tokens and $50 per million output tokens.
Anthropic PBC has said its new artificial intelligence tool, Mythos, is so good at finding vulnerabilities in software a…
Article URL: https://www.anthropic.com/news/claude-fable-5-mythos-5 Comments URL: https://news.ycombinator.com/item?id=4…
Article URL: https://www-cdn.anthropic.com/d00db56fa754a1b115b6dd7cb2e3c342ee809620.pdf Comments URL: https://news.ycomb…
Anthropic just announced Claude Fable 5, a new AI model it said is the most powerful model it has ever made widely avail…
Anthropic is releasing Claude Fable 5, its first Mythos-class model available to the public. The model comes with guardr…
Anthropic PBC is widely releasing a version of Mythos that will be blocked from carrying out cybersecurity tasks, months…
Anthropic is releasing Claude Mythos 5 to trusted organizations and Claude Fable 5 to the public, a version it says can’…
Wired: Anthropic releases Claude Fable 5, a “safe” Mythos-class model it says can't be used for cyberattacks, to the pub…
David Gewirtz / ZDNET: Anthropic prices both Claude Fable 5 and Mythos 5 at $10 per 1M input and $50 per 1M output token…
Rebecca Bellan / TechCrunch: Anthropic says Fable 5 is available on Pro, Max, Team, and seat-based Enterprise plans thro…
Anthropic: Anthropic says Fable 5 uses conservative safety classifiers that trigger a fallback to Claude Opus 4.8 in ~5%…
Derek B. Johnson / CyberScoop: Anthropic says internal and external red team tests of Fable 5 found no universal jailbre…
Anthropic ships two new models, Claude Fable 5 and Mythos 5, that claim to blow past the current Opus generation, especi…
Ethan Mollick / One Useful Thing: Hands-on with Claude Fable 5: impressive results with complex projects, including a da…
Matthias Bastian / The Decoder: Anthropic says Fable 5 has invisible safeguards that use prompt modification, steering v…
Cybersecurity researchers are complaining that Anthropic's new model Fable has guardrails that are too strict for any cy…
Bloomberg: Dario Amodei says he doesn't know what role Claude played in a missile strike on an Iranian school, and its u…
Dean W. Ball / @deanwball: Anthropic secretly limiting Claude's usefulness for LLM development strengthens the argument…
Article URL: https://techcrunch.com/2026/06/10/cybersecurity-researchers-arent-happy-about-the-guardrails-on-anthropics-…
Tom Warren / The Verge: Sources: Microsoft is restricting employees from using Claude Fable 5 because of Anthropic's new…
Lorenzo Franceschi-Bicchierai / TechCrunch: Cybersecurity researchers complain that Claude Fable's guardrails are too st…
Anthropic just released Claude Fable 5, calling it the most powerful AI model it has ever made widely available and prai…
Anthropic: Anthropic releases two policy proposals on how governments should address catastrophic risks and manage labor…
Maxwell Zeff / Wired: Anthropic backtracks on a policy limiting Claude Fable 5's ability to develop other AI models, aft…
Anthropic reverses course on a policy that would have secretly undermined AI researchers, but another point of contentio…
Anthropic has apologized for stealthily throttling its new AI model, Claude Fable 5, with hidden guardrails that undermi…
Glenn Gamboa / Associated Press: Anthropic donates $150M to launch Claude Corps, a fellowship program that will teach 1,…
@semianalysis_: Analysis: assuming API pricing, the $200/month Claude Max and ChatGPT Pro plans offer up to ~$8,000/mont…
Edward Ludlow / Bloomberg: Sources: SpaceX decided to rent its Colossus 1 data center to Anthropic after internal teams…
Axios: Source: Howard Lutnick told Anthropic that Mythos 5 and Fable 5 would be subject to export controls after a compa…
Anthropic: Anthropic says it is disabling Fable 5 and Mythos 5 for all customers after the US government issued an expor…
Anthropic isn't hiding its frustration. "We disagree that the finding of a narrow potential jailbreak should be cause fo…