Sonnet 4.5 Is Here—And It’s a Beast at Coding

Very first look at the Claude Sonnet 4.5 release https://www.anthropic.com/news/claude-sonnet-4-5 https://docs.claude.com/en/docs/about-claude/models/whats-new-sonnet-4-5 https://docs.claude.com/en/docs/build-with-claude/context-windows#context-awareness-in-claude-sonnet-4-5 https://metr.org/blog/2025-03-19-measuring-ai-ability-to-complete-long-tasks/ https://deepmind.google/models/gemini/flash/ Website: https://engineerprompt.ai/ RAG Beyond Basics Course: https://prompt-s-site.thinkific.com/courses/rag Let's Connect: 🦾 Discord: https://discord.com/invite/t4eYQRUcXB ☕ Buy me a Coffee: https://ko-fi.com/promptengineering |🔴 Patreon: https://www.patreon.com/PromptEngineering 💼Consulting: https://calendly.com/engineerprompt/consulting-call 📧 Business Contact: [email protected] Become Member: http://tinyurl.com/y5h28s6h 💻 Pre-configured localGPT VM: https://bit.ly/localGPT (use Code: PromptEngineering for 50% off). Signup for Newsletter, localgpt: https://tally.so/r/3y9bb0 00:00 Introduction to Sonnet 4.5 Release 00:38 New Tools and SDKs 01:03 Language and Performance Enhancements 01:45 Context Awareness and Memory Management 02:17 Pricing and Market Comparison 02:54 Benchmark Performance 05:28 Extended Focus and Task Management 09:22 Enhanced Tool Usage and Alignment 10:43 Claude Agent SDK and Imagine with Claude