AI Infra Decacorns, Search Backlash, and Better Ways to Grade AI Text | UpNext AI – May 27, 2026

A funding wave in AI infrastructure is turning the routing and inference layer into a story of its own, while users push back on Google’s AI-first vision for Search. Plus, a new paper argues many of the metrics we use to judge AI text can miss outright contradictions.In this episode:- AI infrastructure funding gets the spotlight as Latent Space frames Fireworks, Baseten, and OpenRouter as part of a new decacorn moment- DuckDuckGo says installs jumped after Google’s AI Search overhaul, suggesting some users want more control over how much AI shows up in search- A new arXiv paper, MATCHA, proposes a better way to evaluate model-generated text by rewarding semantic agreement and penalizing contradictions- Forbes examines Anthropic’s publicly available Claude system prompt for handling mental health chats- Simon Willison highlights Daniel Stenberg’s warning that curl is facing a surge of credible AI-assisted security reports- The Financial Times reports that UK law firm Pinsent Masons was reprimanded by a court over an AI-related errorSources:- Latent Space: https://www.latent.space/p/ainews-new-ai-infra-decacorns-fireworks- TechCrunch: https://techcrunch.com/2026/05/26/duckduckgo-installs-are-up-30-as-users-reject-being-force-fed-googles-ai-search/- arXiv (MATCHA): https://arxiv.org/abs/2605.27345v1- Forbes: https://www.forbes.com/sites/lanceeliot/2026/05/27/analysis-of-anthropic-claude-system-prompt-instruction-that-shapes-the-handling-of-ai-mental-health-chats/- Simon Willison: https://simonwillison.net/2026/May/26/the-pressure/#atom-everything- Financial Times: https://www.ft.com/content/5ba4690b-8b98-43b3-ba0b-f2ec5591a572