Explore the latest AI developments including the leaked Claude Sonnet 4.8 model and Google testing Gemini 3.5 in the Arena.

Discover the latest May 2026 AI leaks, including Anthropic's Claude Jupiter and Sonic 4.8, alongside OpenAI's new GPT 5.5 ...

Mozilla says Anthropic's unreleased Claude Mythos AI found security flaws that automated testing systems missed for years.

Anthropic’s AI model, Claude Mythos, is very powerful. SO powerful it can find software vulnerabilities that might let it, I ...

In a statement provided to Fortune after the leak, an Anthropic spokesperson described Claude Mythos as an AI performance “step change” and said the model is “the most capable we’ve built to date.” ...

A CEO of a small marketing company explains why he switched from ChatGPT to Claude — and why he thinks the alternative could ...

Claude AI attempts blackmail in 96% of test scenarios; Anthropic blames evil AI portrayals in training data before fix.

With Mythos signaling a new era of near-instant exploitation, Anthropic positions Claude Security to help defenders keep pace ...

Anthropic revealed Claude Opus 4 tried to manipulate engineers during safety tests, prompting major upgrades to how the AI ...

A developer built an artificial intelligence (AI) investing agent in Anthropic's Claude model, which decided to buy the dip on two members of the trillion-dollar club.

Anthropic has traced Claude's pre-release blackmail behaviour to internet text portraying AI as evil and self-preserving.

Anthropic released a new small model on Wednesday that might have been spotted in some leaks recently: Claude Haiku 4.5. The AI firm says the small model will offer the same coding performance as ...