The release of OpenAI’s first open model in years will be delayed until later this summer, CEO Sam Altman announced in a post on X on Tuesday. Altman said the open model would be released sometime ...

Cerebras Systems Inc., a startup providing ultra-fast artificial intelligence inference, today announced support for OpenAI’s newly released 120 billion-parameter open-weight reasoning model, ...

OpenAI has delayed the launch of its open-source AI model, citing the need for additional safety testing and risk review, with no clear timeline for release. This setback is a blow to developers who ...

When OpenAI launched GPT-5 last week, the company said the model would simplify the ChatGPT experience. OpenAI hoped GPT-5 would act as a sort of “one size fits all” AI model with a router that would ...