OpenAI Taps Cerebras for GPT-5.3 Codex Spark in Bid to Loosen Nvidia’s Grip

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

OpenAI accuses China’s DeepSeek of stealing AI technology

OpenAI has warned lawmakers that its Chinese rival DeepSeek is using unfair and increasingly sophisticated methods to extract ...

OpenAI removes access to sycophancy-prone GPT-4o model

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

OpenAI’s rapid GPT-5.3-Codex model moves beyond simple coding tasks

“Codex-Spark is the first step toward a Codex that works in two complementary modes: real-time collaboration when you want ...

OpenAI says China's DeepSeek trained its AI by distilling US models, memo shows

OpenAI has warned U.S. lawmakers that Chinese artificial intelligence startup DeepSeek is targeting the ChatGPT maker and the ...

OpenAI upgrades its Responses API to support agent skills and a complete terminal shell

With OpenAI's latest updates to its Responses API — the application programming interface that allows developers on OpenAI's platform to access multiple agentic tools like web search and file search ...
IEEE

Exploring the Temporal Dynamics of Facial Mimicry in Emotion Processing Using Action Units

Abstract: Facial mimicry—the automatic, unconscious imitation of others’ expressions—is vital for emotional understanding. This study investigates how mimicry differs across emotions using Face Action ...