Show HN: Investigating why GPT-5 has made ChatGPT 'broken' (muhammadasmulkana.substack.com)

I've used ChatGPT since GPT-3.5 for coding and prototyping. GPT-5 broke my workflow in specific, measurable ways.

The router system switches between model variants invisibly. Responses became verbose but hollow. Instruction following collapsed.

I discuss these points in detail in the article