OpenAI rolled out a major tune-up for GPT-5.5 Instant, the default model behind ChatGPT. The refresh makes the bot far better ...

Anthropic’s release of Fable 5 introduces a Mythos-class AI model that pushes the boundaries of artificial intelligence with its advanced features and robust safeguards. Among its standout ...

Anthropic’s latest release, Fable 5, represents a significant step forward in artificial intelligence, combining advanced reasoning capabilities with a strong focus on safety and ethical use. As ...

OpenAI has restricted the release of its new AI model at the request of President Donald Trump's administration.

Anthropic’s Mythos model isn’t publicly available because it’s apparently too powerful. So, Anthropic took the core of Mythos, made it “safe for general use,” and released it widely as Fable 5.

As AI models get more powerful, there’s also going to be a level of danger. Anthropic announced Mythos not long ago as a model that was too dangerous for public availability, but a new version of that ...

19 Days after the Anthropic turned off access to Fable 5, it is back live again. The jailbreak technique discovered by Amazon researchers has been mitigated with a new safety classifier. It claims ...

OpenAI is reportedly preparing to release its next flagship model, GPT-5.6, later this month. Chief scientist Jakub Pachocki described the model as a significant upgrade over GPT-5.5, focusing on ...

Researchers from the University of California, Berkeley's Center for Responsible, Decentralized Intelligence (RDI), alongside an advisory committee of over 300 domain experts, have launched Agents’ ...

Fable 5 topped GPT 5.5 on every major benchmark but was pulled by the US government after three days, making GPT 5.5 the top model you can actually use. The result is a strange moment in AI. The model ...

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Anthropic has finally released a version of Claude Mythos, its most powerful model yet, but most people will experience it under a different name. The company just announced Claude Fable 5, its first ...