People have been making OpenAI interfaces on Mac and cross-platform for years. It wasn't a big announcement (and a good thing either; it's bereft with security issues: https://www.theverge.com/2024/7/3/24191636/openai-chatgpt-ma...).
The AI hype is winding down. Trust in OpenAI is at an all-time low and the appetite to pay for vaporware has dried up.
Really now? That's your primary suspicion here?
For comparison, one of Mistral's new models (mathstral) didn't make much of a splash either, despite being genuinely innovative rather than just a more optimized version of an existing model.
Posing it back to you -- why do you think the 4o-mini was worth the front page, considering that a lot of the target audience for it would probably be just waiting for llama3-405b, or worse, is a bit jaded now?