Google has expressed support for a letter advocating open weights approaches in AI, with CEO Sundar Pichai highlighting the company’s long-standing commitment to open source contributions. This endorsement comes amid a wave of support from major AI developers, reflecting an industry momentum towards promoting open source models. Notably, OpenAI joined as a signatory late last night, and Elon Musk’s backing suggests SpaceXAI may soon follow, leaving Anthropic as the only major player not yet on board.

Google: Google is a leading technology company with significant investments in artificial intelligence and cloud services. Through its DeepMind division, it develops and releases open weights AI models such as Gemma. In the news, Google has publicly endorsed the open source letter via a statement from its CEO, positioning itself as a supporter alongside other AI organizations.
OpenAI: OpenAI is an artificial intelligence research and development organization focused on advancing large language models and related technologies. It was added as a signatory to the open source letter late last night according to the news. This move reflects its alignment with broader industry efforts on open source contributions.
SpaceXAI: SpaceXAI refers to an AI-related entity connected to Elon Musk’s portfolio of companies including SpaceX. Elon Musk has posted support for the open source letter, raising the possibility of its addition as a signatory. If added, this would narrow the remaining holdout to Anthropic.
Anthropic: Anthropic is an artificial intelligence company emphasizing safety and responsible development of AI systems. The news indicates it would be the sole remaining entity not supporting the letter once Google, OpenAI, and potentially SpaceXAI are included.
Sundar Pichai: Sundar Pichai serves as CEO of Google and Alphabet, overseeing the company’s AI and technology strategies. He issued a public statement on behalf of Google expressing support for the open source letter and referencing ongoing contributions like open weights models from Google DeepMind.
Demis Hassabis: Demis Hassabis is the CEO of Google DeepMind, leading advanced AI research efforts. He is referenced in Sundar Pichai’s statement highlighting Google DeepMind’s role in making open weights models available.
Google DeepMind: Google DeepMind is Google’s dedicated artificial intelligence research laboratory. It is cited in the news context for consistently releasing open weights models such as Gemma as part of Google’s broader open source commitments.

Industry Momentum: Recent statements from key figures signal expanding support for open weights approaches across major AI developers.
Open Source Alignment: Leading AI organizations are publicly endorsing initiatives that promote open source models and contributions.