Anthropic's lonely island

Anthropic spent this winter and spring as the darling of America's AI boom, conquering the frontier while casting itself as the industry's moral conscience. By summer, the Claude maker had found itself alone on an island of its own principles. Why it matters: Anthropic is simultaneously the world's most valuable startup and its most isolated AI leader. The company's idiosyncrasies have strained its relationship with developers, policymakers and partners as it barrels toward a potential…