Matthew Berman demos Sonnet 5.5: five playable projects built in one go, plus Sonnet 5 comparisons
Matthew Berman · youtube · 2026-09-29
Matthew Berman published a hands-on video testing Anthropic's Claude Sonnet 5.5 coding ability, building and demoing five complete browser projects (Crownfall, Bounce Lab, Marrow Manor, Splatburst, DEADLOCK). He also released side-by-side comparisons against the previous Sonnet 5 on identical tasks (Bouncing Ball, Withering Manor), showing the generation-over-generation gap directly. The video includes a CodeRabbit sponsorship and discount code.
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