Anthropic's Claude Fable 5.1 appears to have cracked a centuries-old number puzzle that researchers considered unsolved.

The article Claude Fable 5.1 decoded a centuries-old royalist message hidden in plain sight since 1653 appeared first on The Decoder.

Anthropic is launching an API that lets regulators, media outlets, and researchers check whether text carries Claude's digital watermark. The EU AI Act now requires invisible watermarks in AI-generated text. Critics warn the technology could hurt text quality and create transparency problems where contracts ban AI use.

The article Anthropic opens Claude AI text detection to regulators, media, fact-checkers, and others appeared first on The Decoder.

Anthropic launches Claude Fable 5.1 and Mythos 5.1, its most capable AI models yet. Fable 5.1 doubles its predecessor's score on Terminal-Bench-Science and improves agentic coding by over 30 percent. Costs drop by up to 45 percent for long, autonomous runs with many tool calls.

The article Anthropic's Claude Fable 5.1 promises better coding and research at up to 45 percent less appeared first on The Decoder.