The model is known for its overly sycophantic nature and its role in several lawsuits involving users' unhealthy relationships to the chatbot.

OpenAI launches GPT-5.3 Codex Spark powered by Cerebras chips, signaling a shift from Nvidia reliance and intensifying the AI infrastructure race.

As OpenAI removed access to GPT-4o in its app on Friday, people who have come to rely on the chatbot for companionship are mourning the loss all over the world.

ChatGPT Pro subscribers can try the ultra-low-latency model by updating to the latest versions of the Codex app, CLI, and VS Code extension. OpenAI is also making Codex-Spark available via the API to ...

Microsoft is rated 'Strong Buy' following a sharp post-earnings sell-off driven by perceived OpenAI concentration risk. Learn more about MSFT stock here.

On Jan. 29, OpenAI announced in a blog post that it would be retiring GPT-4o (along with the models GPT‑4.1, GPT‑4.1 mini, and OpenAI o4-mini) on Feb. 13. OpenAI says it made this decision because the ...

Though GPT-4o had a cult following, it allegedly fueled delusions and even suicide. Even CEO Sam Altman thought it was 'annoying.' ...