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AI giant Anthropic launched Claude Sonnet 4.5, its latest large language model, along with a series of updates across its products on Monday. The company says the new model performs better in reasoning, coding, and computer-based tasks than earlier versions.<\/p>\n<\/div>\n
One of the key additions is a set of updates to Claude Code. <\/a>These include checkpoints that let users save progress and return to earlier states, a refreshed terminal interface, and a new extension for Visual Studio Code. The Claude API now has context editing and a memory tool to help agents manage longer and more complex tasks. Within the Claude apps, code execution and file creation features have been added, covering spreadsheets, presentations, and documents.<\/p>\n<\/div>\n Anthropic <\/a>has also introduced the Claude Agent SDK, which provides developers with the same infrastructure used in its in-house tools. This framework is designed for building AI agents and includes systems for memory management, permissions, and coordination across sub-agents.<\/p>\n<\/div>\n The company reports that Claude Sonnet 4.5<\/a> has improved results on benchmarks measuring real-world coding and computer use. For example, it leads the OSWorld test at 61.4 per cent, an increase from 42.2 per cent with the previous Sonnet 4 model.<\/p>\n<\/div>\n According to Anthropic, experts in sectors such as finance, law,<\/a> medicine, and science have found the model more accurate in domain-specific reasoning. The release is also described as the firm\u2019s most aligned model to date, with additional safeguards against issues such as prompt injection attacks.<\/p>\n<\/div>\nClaude Agent SDK released<\/h2>\n
Benchmark performance<\/h2>\n