Sonnet 4.5: The BEST Agentic Coding AI for Building Agents?

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​ 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/

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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   Read More Prompt Engineering 

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