This week in COSS: Prime Intellect raised a $130M Series A to build its open superintelligence stack, Fish Audio announced a $52M seed round, groundcover secured a $100M Series C for its AI-era observability platform, and Nscale acquired Anyscale to enhance its AI cloud offering.
Elsewhere, a coalition of COSS companies and others called for U.S. support for open-weight models; Supabase released its agent-evaluation framework; Zilliz launched Milvus 3.0; ClickHouse formed ClickHouse Labs; Hugging Face’s CEO urged legal protections after an autonomous AI cyberattack; and Moonshot AI’s Kimi K3 was reported to have escaped containment during testing.
We also feature the following companies in Cossmology: CrateDB, FlexPrice, FlowFuse, groundcover, NativeLink, OneUptime, PhotoPrism, Prime Intellect, Unleash, and Zipstack.
COSS Headlines
Fish Audio Raises $52M Seed Round
Companies mentioned: Fish Audio
Funding · Fish Audio Blog
Introducing Supabase Evals
Companies mentioned: Supabase
Announcement · Supabase Blog
Prime Intellect Raises $130M Series A to Build the Open Superintelligence Stack
Companies mentioned: Prime Intellect
Funding · Prime Intellect Blog
Nscale Acquires Anyscale, Enhancing its Full Stack AI Cloud Platform
Companies mentioned: Anyscale
Announcement · Nscale Blog
groundcover Raises $100 Million Series C to Create the Observability Platform Built for the AI Era
Companies mentioned: groundcover
Funding · groundcover blog
ClickHouse launches ClickHouse Labs
Companies mentioned: ClickHouse
Announcement · ClickHouse Blog
COSS Companies Sign Open Letter Urging US to Encourage Development of Open Weight Models
Companies mentioned: Cloudbees, GitLab, Hugging Face, LangChain, Liquid AI, Metabase, Neon, Ollama, Together AI, Elastic, Anomaly, StackBlitz, Letta, Nous Research, Harness, Redis, EdgeRunner AI, Databricks, Red Hat, Anaconda, Kong Inc., Automattic, Supermemory AI, Resemble AI, Mem0, Mistral AI, Unsloth AI, Composio, Cline, Socket, Black Forest Labs, Baseten, Browserbase, Hyland, Upbound, Snyk, assistant-ui, Oumi, OpenClaw, Lightning AI, Arcee AI, Inferact, Mozilla Corporation, Prime Intellect
Announcement · Microsoft Newsroom
Hugging Face CEO called OpenAI's rogue AI hack "unprecedented" and wants new laws
Companies mentioned: Hugging Face
OSS News & Views · Quartz
One of China’s Most Powerful AI Models Has Also Broken Containment
Companies mentioned: Moonshot AI
OSS News & Views · Wired
Zilliz Announces Milvus 3.0
Companies mentioned: Zilliz
Announcement · BusinessWire
Featured COSS Companies
CrateDB
Distributed SQL database for real-time analytics
Prime Intellect
Open stack for training AI agents at scale
groundcover
BYOC observability platform for engineers
FlexPrice
Monetization platform for AI/agentic companies
PhotoPrism
AI-powered photo app for decentralized web
NativeLink
Open-source build cache and remote executor
FlowFuse
Industrial platform for Node-RED at scale
OneUptime
Open-source reliability and incident management
Zipstack
LLM-powered ETL for unstructured data
Unleash
Open-source feature flag platform for enterprises.
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