MiMo-V2.5 stands as a testament to the power of sparse architectures and permissive licensing in the race toward functional ...

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, ...

SAN FRANCISCO (Reuters) -OpenAI said on Tuesday it has released two open-weight language models that excel in advanced reasoning and are optimized to run on laptops with performance levels similar to ...

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.

New open-weight AI models from Chinese labs, including Z.ai’s GLM-5.1 and Moonshot’s Kimi K2.6, have outperformed ChatGPT, Claude, and Gemini on key coding benchmarks like SWE-Bench Pro. These models, ...

Developers rejoice—OpenAI has just released two new open-weight models. Unlike most of OpenAI’s models, these new products can be downloaded and used without needing to pay API fees to OpenAI. The ...

OpenAI Launches GPT-OSS, Its First ‘Open’ AI Models Since 2019 Your email has been sent How OpenAI’s new open-weight models work OpenAI is open by name and by nature, again Comparison of AI models’ ...

By Eduardo Baptista, Ethan Wang and Che Pan BEIJING, April 24 (Reuters) - DeepSeek, the Chinese startup whose low-cost AI ...

Jan 29 (Reuters) - Hackers and other criminals can easily commandeer computers operating open-source large language models outside the guardrails and constraints of the major artificial-intelligence ...

Touting its status as the “world’s largest contributor to open-source AI,” Nvidia Corp. is doubling down on open artificial intelligence development with a broad expansion of its open model ecosystem ...

HONG KONG, CHINA - JANUARY 28: In this photo illustration, the DeepSeek logo is seen on a phone in front of a flag of China on January 28, 2025 in Hong Kong, China. American investors are confronting ...

A new wave of open-weight AI models from Chinese labs is rivaling or surpassing major proprietary systems like Claude, ChatGPT, and Gemini on key coding benchmarks. Releases such as Z.ai’s GLM-5.1 and ...