Opendoor Technologies ($OPEN) stock plunged 12% in Monday’s regular trading session and was down about 6% in extended trading ...

Despite what its name suggests, OpenAI hadn’t released an “open” model—one that includes access to the weights, or the numerical parameters often described as the model’s brains—since GPT-2 in 2020.

OpenAI CEO Sam Altman said Friday the company is delaying the release of its open model, which was already pushed back a month earlier this summer. OpenAI had planned to release the model next week, ...

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, ...

Alibaba (BABA) unveiled its open source large language model called Qwen3-Omni, which can process text, images, audio, and ...

When DeepSeek released its DeepSeek reasoning model in early 2025, it tanked the US stock market. The Chinese startup showed a new way of training frontier AI that didn't rely on access to expensive, ...

Living up to its name, OpenAI has released not one but two new open-weight AI models after promising to deliver a new open-weight model earlier this year. The two models, gpt-oss-20b and gpt-oss-120b, ...

Open artificial intelligence models that developers are able to use with few or no restrictions are critical to a competitive ...

As AI systems become more capable, speech is fast becoming the default way we communicate with machines. French AI startup Mistral has jumped into the audio race with its first open model, aiming to ...