{"type": "article", "title": "Anthropic, OpenAI Not In List Of 20 US Companies That Have Backed Open Models In Joint Letter", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/anthropic-openai-not-in-list-of-20-us-companies-that-have-backed-open-models-in", "original_source": "https://officechai.com/ai/anthropic-openai-not-in-list-of-20-us-companies-that-have-backed-open-models-in-joint-letter/", "published": "2026-07-24T15:29:59+00:00", "accessed": "2026-07-24", "id": "anthropic-openai-not-in-list-of-20-us-companies-that-have-backed-open-models-in"}