October 2025 AI News: Anthropic's Claude 4.5, IBM's Granite Models, and California's AI Safety Law
Anthropic Unveils Claude Sonnet 4.5 with Advanced Reasoning and Coding Anthropic has officially released its latest large language model, Claude Sonnet 4.5, featuring significant improvements in processing long contexts and performing complex mathematical and logical reasoning tasks. The company claims the model can perform tasks autonomously for over 30 hours and has demonstrated state-of-the-art performance on the SWE-bench Verified evaluation for software coding. Alongside the new model, Anthropic launched Claude Code 2.0, an integrated coding environment for developers with an enhanced UI and performance based on Sonnet 4.5. To facilitate the development of AI agents, the company has also released the Claude Agent SDK. The new model is now available through Anthropic’s API, the Claude app, Amazon Bedrock, and Google Cloud’s Vertex AI. ...