Claude Sonnet 4.5 is the most INSANE AI model ever

Alex Finn · Sep 19, 2026 · 17m

By the end of this video you'll be a Claude Sonnet 4.5 MASTER. Whether you are new or pro, you'll have something to learn here.

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Claude Sonnet 4.5 Announcement:

https://www.anthropic.com/news/claude-sonnet-4-5

Claude Agent SDK Announcement:

https://www.anthropic.com/engineering/building-agents-with-the-claude-agent-sdk

Claude Imagine:

https://claude.ai/imagine/

Claude For…