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 ...

The US trails China in open-source AI. OpenAI's latest move could help close the gap. Last week, OpenAI CEO Sam Altman announced GPT-oss, a family of large language models with "open weights." ...

OpenAI is getting back to its roots as an open source AI company with today's announcement and release of two new, open source, frontier large language models (LLMs): gpt-oss-120b and gpt-oss-20b. The ...

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 ...

Nvidia Corp. today announced the launch of Nemotron 3, a family of open models and data libraries aimed at powering the next generation of agentic artificial intelligence operations across industries.

OpenAI just dropped its first open-weight models in over five years. The two language models, gpt-oss-120b and gpt-oss-20b, can run locally on consumer devices and be fine-tuned for specific purposes.