AI infrastructure startup funding 2026: 30 rounds
What models run on: inference platforms, GPU clouds, AI chips, training data, evaluation and MLOps.
- Mozilla Data Collective raises $5M Seed, . AI infrastructure. Led by Mozilla. Mozilla Data Collective is a data-sharing platform focused on creating an equitable ecosystem for AI training data.
- 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.
- Verda raises $189M Series B, . AI infrastructure. Led by Emergence Capital. European GPU cloud offering managed AI inference infrastructure.
- Nexstrom raises $12M Seed, . AI infrastructure. The funding enables the next generation of AI and high-performance computing chips beyond the limit of silicon, while accelerating the industry's first 12-inch single-crystal 2D semiconductor platform SINGAPORE, Sept.
- Lightspring raises $4.1M Seed, . AI infrastructure. Led by Atlantic. French company Lightspring today announced the close of a €3.1 million seed round led by Atlantic and OVNI Capital, with participation from Concept Ventures, Ixcore, Plug and Play Ventures, and indust...
- Crusoe raises $3.9B, . AI infrastructure. The round values the data center giant at $30.9 billion.
- EUCLYD raises $231M Series A, . AI infrastructure. Led by Samsung, Somerset Capital Partners, Scaleup Europe Fund, Innovation Industries. Designs low-power chip and memory systems for AI inference.
- 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.
- nanoSkunkWorkX raises $2M Seed, . AI infrastructure. Led by Tin Men Capital. Develops graphene-copper thin-film interfaces that improve heat and current handling in AI chip packaging.
- Lambda raises $1B Debt, . AI infrastructure. Led by JPMorgan Chase. GPU cloud that rents Nvidia-based compute for AI training and inference.
- 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.
- Callosum raises $100M Seed, . AI infrastructure. Led by Atomico. Software that splits AI workloads into tasks and routes each to the best-suited model and chip.
- Etched raises $700M Growth, . AI infrastructure. Led by Jane Street. Designs inference chips and memory systems specialised for transformer models.
- Vals AI raises $40M Series A, . AI infrastructure. Led by Andreessen Horowitz. Independent benchmarks that evaluate AI models on real professional tasks.
- OLIX raises $312M Series B, . AI infrastructure. Led by Fundomo, Arm, Hudson River Trading. Builds photonic inference processors and rack systems for serving large AI models.
- Eliyan raises $145M Series C, . AI infrastructure. Led by Seligman Ventures. Develops chiplet and electro-optical interconnects for AI chips and systems.
- Etched raises $300M Series C, . AI infrastructure. Led by Sequoia Capital. Designs inference chips and memory systems specialised for transformer models.
- 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.
- 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.
- 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.
- 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.
- 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.
- Runpod raises $100M Growth, . AI infrastructure. Led by Summit Partners. GPU cloud where developers train, fine-tune and run inference on AI models.