According to The Rundown AI on X, today’s top AI developments include OpenAI securing a Pentagon contract, a reported $110B fundraising that would imply a $730B valuation, Anthropic being removed from a Trump administration engagement, practical Claude Cowork plus Obsidian workflows to boost output, and four newly highlighted AI tools with community workflows. As reported by The Rundown AI, the Pentagon engagement positions OpenAI for defense-grade deployments and procurement pipelines, signaling near-term revenue opportunities in secure LLM services, while the mega-round valuation, if finalized, would strengthen OpenAI’s compute and model training roadmap and ecosystem investments. According to The Rundown AI, Claude Cowork paired with Obsidian showcases enterprise-ready agentic workflows for knowledge management and content operations, pointing to immediate ROI use cases, and the curated tools and community workflows indicate growing demand for AI-first productivity stacks and partner marketplaces.