Anthropic introduced Claude Sonnet 4.5, an artificial intelligence model the company describes as a significant step forward in the automation of programming tasks. Its main novelty is the ability to work continuously for more than 30 hours, a stamina more than four times greater than its immediate predecessor. In internal tests, the system autonomously developed a complete chat application with about 11,000 lines of code, maintaining coherence throughout the entire process. The company, backed by Amazon, also highlights that the model achieved a 77.2% score in a recognized software engineering evaluation and showed marked improvement in operating system interaction tests.
Beyond raw performance, the update aims to address practical needs of developers. Claude Sonnet 4.5 introduces the option to create checkpoints to save and recover progress, execute code, and generate documents directly within the conversation interface. At the same time, security measures have been reinforced to reduce problematic behaviors and prevent manipulation through malicious inputs, a growing concern in the sector. With these features, Anthropic seeks to strengthen its position in the competitive market of programming assistants, where technical capability must be matched by reliability in everyday use.
