This week in COSS: Together AI announced an $800M Series C to accelerate the shift to open-source AI, SuperPlane raised a $2.6M pre-seed round to build an automation engine for AI-driven engineering, and Aikido Security acquired Root.io to strengthen software supply chain security.

Other headlines include a New York Times profile of Together AI, Nvidia adopting OpenBao (an open source fork of HashiCorp Vault), Immich hitting version 3.0, Deutsche Telekom partnering with n8n for AI agent automation, Ververica sunsetting its cloud managed service in favor of sovereign BYOC Apache Flink deployments, a German state deploying Nextcloud statewide to replace Microsoft SharePoint, and a Traefik blog post on the implications of governments switching off frontier AI models overnight.

We also feature the following companies in Cossmology: Immich, Keploy, KorPro, Metabase, Open Mercato, PipeLab, Pluton, SuperPlane, Terrateam, and ZeroRisc.