AI startup funding in United States
- Ema raises $77M Series B, . AI apps. Led by Creagis. Ema develops autonomous AI employees for enterprise HR, IT, and finance departments.
- Realset AI raises $10M Series A, . AI infrastructure. Realset AI builds real-world training data and RL environments for frontier models and embodied agents.
- Flatkey raises $10M Series A, . AI infrastructure. Flatkey is an AI infrastructure platform that consolidates model access and billing into a single interface.
- Ekai raises $1.7M Seed, . AI infrastructure. Ekai provides software that builds the business context and semantic models required for enterprise AI agents.
- Sela raises $21M, . AI apps. Develops a voice AI system for mortgage sales and originations.
- Salty AI raises $4.1M, . AI apps. Filed an SEC Form D reporting $4.117983M sold.
- Brand Engagement Network raises $1.1M Strategic, . AI apps. Develops enterprise AI software and conversational AI agents.
- Feldera raises $15M Series A, . Databases. Led by Inovia Capital. Incremental SQL engine that updates query results on new data instead of recomputing, cutting analytics compute.
- Parallel Robotics raises $7.3M, . Robotics. Filed an SEC Form D reporting $7.310193M sold.
- Viabot raises $24M Series A, . Robotics. Led by Walden International. Viabot builds autonomous robots for commercial property upkeep such as trash removal, cleaning and patrols.
- Raindrop raises a Series A round, . Developer tools. Led by CRV. Monitoring and simulation tools that detect failures in production AI agents.
- Arcee AI raises $150M Series B, . AI models. Led by Vista Equity Partners, Cambium Capital, Emergence Capital. Develops open-weight AI models trained in the United States.
- Hang Ten Systems raises $53M Seed, . AI apps. Led by Xora. Uses AI to build and modernize mission-critical enterprise software for large companies.
- Veridion raises $20M Series A, . Data infrastructure. Led by Hoxton Ventures. Continuously updated data platform on 640 million businesses worldwide, used for risk and supply chain decisions.
- Profound raises $180M Series D, . AI apps. Led by Sequoia, Kleiner Perkins. Marketing software that helps brands track and improve how they appear in AI search answers.
- Temporal raises $550M Series E, . Developer tools. Led by Lightspeed Venture Partners, Wellington Management. Open-source durable execution platform for reliable long-running workflows and AI agents.
- Cornelis Networks raises $205M Growth, . AI infrastructure. Led by IAG Capital Partners. Builds scale-up and scale-out networking fabrics for AI and HPC clusters.
- Positron raises $875M Series C, . AI infrastructure. Led by NEA, Andra Capital, Atreides Management, Valor Equity Partners, SemiAnalysis Capital, Jim Clark. Designs purpose-built inference hardware for running AI models.
- Cognition raises $2B Series E, . AI apps. Led by Andreessen Horowitz, Accel, Founders Fund, General Catalyst, Avenir. Maker of Devin, an AI coding agent for software engineering teams.
- Upwind raises $300M Series C, . Security. Led by Bessemer Venture Partners, TCV. Upwind provides runtime-first cloud and AI application security.
- Capacity raises $54M Series E, . AI apps. Customer support automation platform with omnichannel AI agents and agent-assist tools.
- Locus Robotics raises $42M Series G, . Robotics. Locus Robotics makes autonomous mobile robots for warehouse fulfillment, sold as a service.
- Lambda raises $1B Debt, . AI infrastructure. Led by JPMorgan Chase. GPU cloud that rents Nvidia-based compute for AI training and inference.
- Instinct raises $250M Series B, . AI apps. Led by Index Ventures, Benchmark. Consumer AI assistant that connects to a user's apps and devices and is reached by text and phone calls.
- Emerald AI raises $150M Series A, . AI infrastructure. Led by Energize Capital, DCVC. Software that lets AI data centers adjust power use in response to grid conditions.
- Stability AI raises $76M Series B, . AI models. Develops generative image, audio and video models for media and entertainment.
- Keenable raises $26M Seed, . Data infrastructure. Led by Accel, Conviction Partners. Independent web search index and API built for AI agents.
- Etched raises $700M Growth, . AI infrastructure. Led by Jane Street. Designs inference chips and memory systems specialised for transformer models.
- Rillet raises $100M Series C, . AI apps. Led by Iconiq. AI-native accounting and general ledger platform for finance teams.
- Hypercubic raises $5.3M Seed, . Developer tools. Led by CIV. AI agents that map legacy COBOL codebases and rewrite them in modern languages.
- Vals AI raises $40M Series A, . AI infrastructure. Led by Andreessen Horowitz. Independent benchmarks that evaluate AI models on real professional tasks.
- Databricks raises $5B Growth, . Data infrastructure. Led by Coatue. Data and AI platform spanning lakehouse analytics, the Lakebase Postgres database and AI tooling.
- CodeRabbit raises $143M Series C, . Developer tools. Led by Atomico, Smash Capital. AI code review and change-governance platform for pull requests.
- Skan AI raises $63M Series C, . Analytics. Led by Cathay Innovation, Dell Technologies Capital. Process intelligence platform that maps how enterprise work is done and deploys agents to automate it.
- Blacksmith raises $45M Series B, . Developer tools. Led by Peak XV Partners. Code build and testing platform with an AI agent that fixes failed CI checks.
- Naïve raises $29M Series A, . AI apps. Led by Nexus Venture Partners. Single API that lets AI agents form companies and set up payments, email, phone numbers and cloud services.
- HappyRobot raises $150M Series C, . AI apps. Led by Prysm Capital, Eurazeo. Builds AI agents, including voice agents, that automate operational workflows for logistics and other enterprises.
- Convex raises $57M Series B, . Databases. Led by Insight Partners. Application backend with a TypeScript-native database, search, auth and file storage.
- RWX raises $12M Series A, . Developer tools. Led by Hyde Park Venture Partners. Cloud platform for building, testing and validating code, aimed at engineers and AI coding agents.
- Smallest.ai raises $13M Series A, . AI apps. Led by Seligman Ventures. Builds small, specialized voice AI models for real-time conversational agents in customer support.
- DataBahn raises $40M Series B, . Data infrastructure. Led by Insight Partners. Telemetry data pipeline that ingests, normalizes and routes security and operations data to downstream tools.
- Dili raises $15M Series A, . AI apps. Led by Khosla Ventures. AI compliance software that checks federally funded construction projects against wage and labor rules.
- Eliyan raises $145M Series C, . AI infrastructure. Led by Seligman Ventures. Develops chiplet and electro-optical interconnects for AI chips and systems.
- Freehand raises $75M Series B, . AI apps. Led by Battery Ventures, NewRoad Capital Partners. Builds AI agents that audit invoices, process payments and manage supply chain spend for large enterprises.
- Fish Audio raises $52M Seed, . AI apps. Led by Coreline Ventures, Capital Today. Develops AI voice generation and speech-to-text models for creators and enterprises.
- Weave raises $14M Series A, . Developer tools. Led by Standard Capital. Engineering-intelligence platform that measures human and AI code output and the ROI of AI tooling.
- Safe Superintelligence raises $5B Strategic, . AI models. Led by Nvidia. AI lab founded by Ilya Sutskever that is researching safe superintelligence.
- Fly.io raises $25M Series D, . Developer tools. Led by Dell Technologies Capital, Intel Capital. Developer cloud that runs applications and AI agents on lightweight VMs close to users.
- Etched raises $300M Series C, . AI infrastructure. Led by Sequoia Capital. Designs inference chips and memory systems specialised for transformer models.
- AegisAI raises $36M Series A, . Security. Led by Battery Ventures. AegisAI uses its own language models and AI agents to stop phishing and business email compromise.
- SkyPilot raises $20M Seed, . AI infrastructure. Led by Lux Capital. Open-source platform for running and managing AI workloads across clouds and on-premises clusters.
- Natural raises $30M Series A, . AI apps. Led by Forerunner. Payments and orchestration layer that lets AI agents hold, send and collect money.
- Infinity raises $15M Seed, . AI infrastructure. Led by Touring Capital. Uses an AI agent to write and tune low-level inference code for non-Nvidia chips.
- Bunkerhill Health raises $25M Series B, . AI apps. Led by Khosla Ventures. Deploys AI agents and FDA-cleared clinical algorithms inside hospitals to handle operational and clinical tasks.
- Fireworks AI raises $1.5B Series D, . AI infrastructure. Led by Atreides Management, Index Ventures, TCV. Inference platform for running and customising open models on enterprise data.
- Spectro Cloud raises $100M Series D, . AI infrastructure. Led by Goldman Sachs Alternatives. Software for deploying and managing GPU clusters and AI infrastructure across environments.
- Lyzr raises $100M Series B, . AI apps. Builds AI agents for enterprises.
- Databento raises $97M Series B, . Data infrastructure. Led by New Enterprise Associates. Provides real-time and historical market data for futures, options and equities through a single API.
- Ollama raises $65M Series B, . Developer tools. Led by Theory Ventures. Open-source tool for running open-weight AI models locally, plus a paid cloud service.
- SambaNova raises $1B Series F, . AI infrastructure. Led by General Atlantic. Designs AI chips and systems for training and inference and runs an inference cloud.
- Prime Intellect raises $130M Series A, . AI infrastructure. Led by Radical Ventures. Provides compute, reinforcement learning and evaluation tools so enterprises can build their own AI agents.
- Together AI raises $800M Series C, . AI infrastructure. Led by Aramco Ventures. Cloud platform for training, fine-tuning and serving open-source AI models.
- TwelveLabs raises $100M Series B, . AI models. Led by NEA, NAVER Ventures. Builds foundation models that understand and search video.
- Straiker raises $64M Series A, . Security. Led by Marathon Management Partners, Citi Ventures, Illuminate Financial, Workday Ventures. Straiker discovers AI agents inside organizations, tests them adversarially before deployment and protects them at runtime.
- Nebulock raises $25M Series A, . Security. Led by FirstMark. Nebulock runs AI-driven threat hunting and behavioral analytics across endpoint, cloud and identity activity.
- General Intuition raises $320M Series A, . AI models. Led by Khosla Ventures. Frontier lab building action foundation models trained on gameplay clips from the Medal platform.
- Scaled Cognition raises $100M Series A, . AI models. Led by Khosla Ventures. Develops models and agents for enterprise customer experience designed to reduce hallucinations.
- Sail Research raises $80M Series A, . AI infrastructure. Led by Kleiner Perkins, Sequoia. Provides an inference stack and stateful sandboxes for running long-lived AI agents.
- Patronus AI raises $50M Series B, . AI infrastructure. Led by Greenfield Partners. Builds evaluation and simulation environments for testing and training AI agents.
- Sazabi raises $8M Seed, . Developer tools. Led by J2 Ventures, Village Global, Y Combinator. AI-native observability platform that uses agents and logs to detect and resolve production issues.
- Mirendil raises $200M Seed, . AI models. Led by Andreessen Horowitz, Kleiner Perkins. Frontier AI lab training models specialised in AI research and development, with a product that runs research loops on its own GPUs.
- Runpod raises $100M Growth, . AI infrastructure. Led by Summit Partners. GPU cloud where developers train, fine-tune and run inference on AI models.