Recent releases of GPT-4.5 and Grok 3 demonstrate diminishing returns in AI scaling, despite massive investments. Industry leaders show uncharacteristic restraint in announcements, while market indicators suggest a cooling period for AI enthusiasm.

https://garymarcus.substack.com/p/hot-take-gpt-45-is-a-nothing-burger

#aidevelopment #gptmodels #techinvestment #industryanalysis #markettrends