Coding with Claude 4 is actually insane

Zed: code at the speed of thought: https://zed.dev/?y=62

I coded with Anthropic's Claude Sonnet 4 and Claude Opus 4, and unlike 3.7 was to 3.5, this is definitely an upgrade.

0:00 claude 4 + benchmarks
1:47 zed is awesome
2:53 how i'm testing claude 4
4:29 sonnet 4 coding a small project (tsx + convex)
8:35 why vibe coding?
8:55 first impression of claude 4
9:08 p5.js kitten cannon clone
9:46 coding in rust (sonnet 4)
12:08 claude opus 4 rate limit issue via API
12:50 coding in rust (sonnet 4 again)
13:15 coding in rust (opus 4)
16:16 final thoughts (first impression)

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