Anthropic is testing a new model called "Claude Mythos," which shows significant improvements in programming, reasoning, and cybersecurity. Leaked drafts indicate that Mythos is a completely new model tier that surpasses the existing Opus series and boasts advanced cybersecurity capabilities. The leak originated from a misconfiguration in the content management system, which led to the exposure of unreleased assets. Anthropic stated that it will adopt a more cautious release strategy.

The Reform Party of the United Kingdom, led by Nigel Farage, raised £5.5 million in Q4 2025, including £3 million from crypto investor Christopher Harborne, demonstrating strong financial backing and a leading position in the polls.