https://frankstuch.de/en/ A blog about AI in practice: putting new developments in context, trying them out myself and reporting honestly on what works and what doesn't. en https://frankstuch.de/en/articles/vibe-gegen-spec/ https://frankstuch.de/en/articles/vibe-gegen-spec/ Tue, 06 Oct 2026 08:00:00 +0000 The same application built three times with Claude Code, once in conversation and twice from a specification. For this application of medium complexity, vibe coding was no worse in outcome. But the code of the spec version is split along domain boundaries, and that matters for maintenance and further development. https://frankstuch.de/en/articles/jev-hands-on/ https://frankstuch.de/en/articles/jev-hands-on/ Thu, 01 Oct 2026 08:00:00 +0000 JEV sorts business emails about as accurately as GPT-6 Luna, but answers four times faster and costs about 47% less. A hands-on test with 450 emails, open code and numbers you can check.