AI funding rounds in May 2026: 12 rounds
- Anthropic raises $65B Series H, . AI models. Led by Altimeter Capital, Dragoneer, Greenoaks, Sequoia Capital, Capital Group, Coatue, D1 Capital Partners, GIC, ICONIQ, XN. Builds the Claude family of AI models with a focus on AI safety research.
- OpenRouter raises $113M Series B, . AI infrastructure. Led by CapitalG. OpenRouter offers a single API that routes requests across hundreds of large language models from many providers.
- Cognition raises $1B, . Developer tools. Led by Lux Capital, General Catalyst, 8VC. Builds Devin, an autonomous AI software engineer, and owns the Windsurf editor.
- Modal raises $355M Growth, . AI infrastructure. Led by Redpoint Ventures, General Catalyst. Modal offers a serverless cloud platform for running AI inference, training and batch jobs on GPUs from Python code.
- Searchable raises $14M Seed, . Analytics. Led by Headline. Searchable is an AI search optimization platform that tracks and improves how brands appear in AI assistants and search engines.
- Anduril Industries raises $5B Series H, . Robotics. Led by Thrive Capital, Andreessen Horowitz. Anduril builds autonomous defense systems, drones and the Lattice software platform for military customers.
- n8n raises a Strategic round, . AI infrastructure. Led by SAP. n8n builds a workflow automation and AI agent orchestration platform with a visual builder and fair-code licensing.
- StepFun raises $2.5B, . AI models. Develops multimodal foundation models and AI assistants integrated into phones and other devices.
- Moonshot AI raises $2B Series D, . AI models. Led by Long-Z Investments. Builds the Kimi family of large language models and the Kimi chatbot.
- Lambda raises $1B Debt, . AI infrastructure. Led by J.P. Morgan. Lambda runs a GPU cloud and builds AI data centers for training and serving AI models.
- Sierra raises $950M Growth, . AI apps. Led by Tiger Global, GV. Sierra builds conversational AI agents for customer service.
- DeepInfra raises $107M Series B, . AI infrastructure. Led by 500 Global, Georges Harik. DeepInfra runs a dedicated inference cloud that serves open-source AI models through a simple API.