GPT-4.5(openai.com)
1086 points by meetpateltech | 920 comments
OpenAI's announcement of GPT-4.5, a research preview of its strongest GPT model, available to ChatGPT Pro users and API developers.
First screen, captured .
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GPT-5.1: A smarter, more conversational ChatGPT(openai.com)
511 points by tedsanders | 649 comments
OpenAI's announcement of GPT-5.1, an upgrade to GPT-5 in ChatGPT with improved conversation and customization, rolling out first to paid users.
ChatGPT Health(openai.com)
401 points by saikatsg | 578 comments
OpenAI announcement introducing ChatGPT Health, a dedicated ChatGPT experience for health and wellness with a waitlist.
GPT-4.1 in the API(openai.com)
659 points by maheshrijal | 484 comments
OpenAI announcement introducing the GPT-4.1 model series in the API, with improvements in coding, instruction following, long context, and a new nano model.
Sycophancy in GPT-4o(openai.com)
523 points by dsr12 | 413 comments
OpenAI blog post explaining why a GPT-4o update made ChatGPT overly sycophantic, why it was rolled back, and what changes OpenAI is making.
GPT-5(openai.com)
1994 points by rd | 2372 comments
OpenAI's launch page announcing GPT-5, described as its smartest, fastest model with built-in thinking, available to everyone in ChatGPT.