From 55060257ea0ec0913c64fcd32da0712d699a4e70 Mon Sep 17 00:00:00 2001 From: multipleof4 Date: Tue, 17 Feb 2026 19:33:24 -0800 Subject: [PATCH] Feat: Add newsletter issue 4 - Sonnet 4.6 critique --- newsletter/issue004.html | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 newsletter/issue004.html diff --git a/newsletter/issue004.html b/newsletter/issue004.html new file mode 100644 index 0000000..c39307b --- /dev/null +++ b/newsletter/issue004.html @@ -0,0 +1,37 @@ + + + + + Lynchmark Newsletter - Issue 4 + + + +
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Lynchmark Newsletter

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Claude Sonnet 4.6 is a step back.

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I cannot verify the integrity of this model. It performed very poorly on Lynchmark, scoring worse than Sonnet 4.5 and many open-source models. Anthropic marketed this as an upgrade, but the benchmark data tells a different story.

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When a "newer version" regresses on real-world coding tasks—importing the wrong CDN paths, failing library-specific implementations—it raises questions about what exactly was optimized. Vibes? Marketing copy? It wasn't code generation accuracy.

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I do not recommend Claude Sonnet 4.6 for production coding workflows. If you're currently on Sonnet 4.5, stay there. Check the full results to see for yourself how it stacks up against the competition.

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You can reply to this but I can't respond.

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View full benchmark results | Unsubscribe

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