https://pfisterer.xyz/en/tags/vendor-lock-in/Recent content in Vendor Lock-In on Pfisterer ConsultingHugoenMon, 13 Apr 2026 12:00:00 +0200https://pfisterer.xyz/en/news/claude-opus-46-degradation-performance-leistung-mittelstand/Mon, 13 Apr 2026 12:00:00 +0200https://pfisterer.xyz/en/news/claude-opus-46-degradation-performance-leistung-mittelstand/<p>Your ERP vendor swaps out the database backend overnight. The interface looks the same, but queries take twice as long and reports come back with gaps. No changelog, no announcement. That is exactly what is happening right now with Anthropic&rsquo;s flagship model Claude Opus 4.6 &ndash; and it affects everyone running AI-assisted development or automation in production. This topic falls squarely into my <a href="https://pfisterer.xyz/en/leistungen/ki-automatisierung/">AI &amp; Automation consulting</a> for mid-sized companies.</p> <h2 id="thinking-depth-in-freefall-the-performance-data-on-claude-opus-46">Thinking Depth in Freefall: The Performance Data on Claude Opus 4.6</h2> <p>On April 2, 2026, <strong>Stella Laurenzo</strong>, Senior Director AI at AMD, published a detailed analysis on GitHub Issue <a href="https://github.com/anthropics/claude-code/issues/42796">#42796</a>. Not opinion &ndash; data: 6,852 sessions, 234,760 tool calls, 17,871 thinking blocks. The results are clear.</p>