{"type": "article", "title": "OpenAI signs open letter advocating for open-weight AI models, marking a major strategic pivot", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/openai-signs-open-letter-advocating-for-open-weight-ai-models-marking-a-major", "original_source": "https://cryptobriefing.com/openai-open-weight-ai-models-letter/", "published": "2026-07-25T05:17:24+00:00", "accessed": "2026-07-25", "id": "openai-signs-open-letter-advocating-for-open-weight-ai-models-marking-a-major"}