Market volatility was on full display this week, beginning with a sharp selloff on Monday (February 24) and exacerbated by a rollout of downbeat economic data, including a weak consumer sentiment report.

OpenAI has announced the launch of GPT-4.5, its largest AI model to date, code-named Orion. The model, trained with more computing power and data than any previous OpenAI release, is available as a research preview to select users.

Mira Murati, OpenAI's former CTO, has taken the wraps off her new company, Thinking Machines Lab. Here's what to know about its goals.

Compared with the previous-generation GPT-4o, OpenAI’s latest LLM is better at interpreting user input. OpenAI detailed in a blog post that GPT-4.5 can understand “subtle cues or implicit expectations” in prompts. That allows it to align its output more closely with user requirements.

Murati is heading up Thinking Machines Lab as CEO. OpenAI co-founder John Schulman is the company’s chief scientist, and Barret Zoph, OpenAI’s ex-chief research officer, is the CTO. In a blog post shared with TechCrunch, Thinking Machines Lab wrote that while AI capabilities have advanced dramatically, “key gaps” remain.

OpenAI custom chips aim to challenge Nvidia, using TSMC’s 3nm tech to enhance AI processing and efficiency in future AI models.

Discover the top AI startups in 2025 revolutionizing industries with cutting-edge innovations in generative AI, machine learning, NLP, and automation.

But, suddenly, the OpenAI company vanished ... "Moderators empowered with custom Al and machine learning tools proactively monitor public parts of the platform and accept reports from users ...

Artificial intelligence is inescapable nowadays. There’s generative AI to create an ad and AI platforms to manage campaigns. Your refrigerator and maybe even your toothbrush have AI embedded in them.

The former OpenAI CTO launched Thinking Machines Lab, set to focus on human-AI collaboration and making AI more accessible.

ANI sued OpenAI in November 2024, arguing that the company had trained its Large Language Model (LLM) on publicly available content from ANI.