OpenAI is launching GPT-4.5 today, its newest and largest AI language model. GPT-4.5 will be available as a research preview ...

Andrej Karpathy, an OpenAI co-founder and research scientist who has quit the A.I. powerhouse twice, has been making waves in ...

GPT-4.5 could arrive as soon as next week, as Microsoft gets ready to host OpenAI’s latest models.

SoftBank is preparing to lead fresh investment into OpenAI at a $300 billion valuation, Business Insider understands — a move that would value the ChatGPT maker the same as TikTok owner ByteDance.

The introduction of its open-weight model—apparently trained on a fraction of the specialized computing chips that power industry leaders—set off shock waves inside OpenAI. Not only did ...

SoftBank is close to finalizing a $40 billion primary investment in OpenAI at a $260 billion pre-money valuation, sources told CNBC's David Faber. SoftBank would pay out the funding over the next ...

OpenAI used the subreddit, r/ChangeMyView, to create a test for measuring the persuasive abilities of its AI reasoning models. The company revealed this in a system card — a document outlining ...

OpenAI on Friday launched a new AI “reasoning” model, o3-mini, the newest in the company’s o family of reasoning models. OpenAI first previewed the model in December alongside a more capable ...

Microsoft has poured billions of dollars into the company, and SoftBank is close to finalizing a $40 billion investment in OpenAI at a $260 billion valuation, CNBC's David Faber reported Feb. 7.