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A new checkpoint of Anthropic's Claude Mythos Preview has become the first AI model to solve both UK government cyberattack simulations, raising fresh questions about autonomous hacking. AISI Reports Mythos Breakthrough The UK's AI Security Institute reported Wednesday that the newer Mythos checkpoi

Euro-area finance ministers met in Brussels on Monday to press Anthropic for access to its Mythos AI model, which finds zero-day flaws in every major operating system. Brussels Meeting On Mythos The meeting, confirmed by Bloomberg, brought together euro-area finance chiefs alongside banking supervis

OpenAI released GPT-5.5 on Wednesday, but fresh benchmark data shows Anthropic's gated Claude Mythos Preview still leads on six of nine directly comparable tests. GPT-5.5 Benchmark Scores GPT-5.5 arrived in ChatGPT and Codex on Apr. 23, priced at $5 per million input tokens and $30 for output, doubl

Ten years ago, a crypto exploit required a rare set of skills. You needed deep Solidity instincts, a working knowledge of bridge architecture and enough patience to trace months of on-chain activity. In 2026, a frontier language model can do the first two in an afternoon and a motivated attacker can

Anthropic released Claude Opus 4.7, a highly capable publicly available artificial intelligence model in the world, by the most closely watched benchmarks in the industry. It claims to write a better code than any competing model. It reasons at near-human expert level across almost every domain tes