The American startup is pitching investors on a $1 billion+ valuation to train a model over a trillion parameters, aiming to reclaim the open-weight lead from Chinese labs like Moonshot and DeepSeek.

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.

Just last week the Chinese firm Moonshot AI released its latest open-weight model, Kimi K2.5, which came close to top proprietary systems such as Anthropic’s Claude Opus on some early benchmarks. The ...

(Bloomberg) -- Tech companies and academics have long wrestled with the risks and rewards of building open-source software. But the frenzy around generative artificial intelligence has lent new ...

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, ...

This week, Google released a family of open AI models, Gemma 3, that quickly garnered praise for their impressive efficiency. But as a number of developers lamented on X, Gemma 3’s license makes ...

By Eduardo Baptista BEIJING, Feb 12 (Reuters) - One year after Chinese startup DeepSeek rattled the global tech industry with ...

OpenAI just dropped two new open-weights models. Here's why that isn't the same as being fully open. Katelyn is a writer with CNET covering artificial intelligence, including chatbots, image and video ...

OpenAI CEO Sam Altman said Monday that his company intends to release a “powerful new open-weight language model with reasoning” in the next few months. That would mark a major shift for a company ...