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.

When OpenAI unveiled its first open-weight models in years this August, it wasn’t just tech companies that were paying attention. The release also excited US military and defense contractors, which ...

ChatGPT maker OpenAI made headlines this month with two major launches: the release of two so-called open weight models and the debut of the long-anticipated next generation Chat-GPT 5. While most of ...

Despite the company's name, OpenAI hasn't dropped an open version of its AI models since GPT-2 in 2019. That changed on Tuesday, as CEO Sam Altman shared two new open-weights, reasoning AI models, ...

Open source doesn’t guarantee responsible AI. But it increasingly makes responsible evaluation possible for smaller organizations.

Nvidia (NVDA) has started rolling out its Nemotron 3 open models, which it contends are the most efficient family of open models for building agentic artificial intelligence applications. Nemotron 3 ...

Thousands of servers run open-source LLMs outside major AI platforms security controls, researchers say Researchers identify removed guardrails in hundreds of open-source LLM instances LLMs can be ...

Nvidia CEO Jensen Huang is all about open source AI models, and his keynote during CES 2026 illustrated that point. While onstage, Huang announced a number of new open source AI models, signaling 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 ...

This article is part of VentureBeat’s special issue, “The Real Cost of AI: Performance, Efficiency and ROI at Scale.” Read more from this special issue. For the last two decades, enterprises have had ...