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NeuronFeed

Best Infrastructure AI Startups in United States

48 startups match both filters.

Hugging Face

US est. 2016

The AI community building the future of machine learning.

Raised
$970M
Stage
S-E
77

Anyscale

US est. 2019

Production-scale AI infrastructure powered by Ray for distributed training, data curation, and batch inference.

Raised
$260M
Stage
S-C
73

Quantinuum

US est. 2021

World's largest integrated quantum computing company

Raised
$2.6B
Stage
IPO
71

Modal

US est. 2021

High-performance AI infrastructure with sub-second cold starts and instant autoscaling.

Raised
$442M
Stage
S-C
68

Liquid AI

US est. 2023

Efficient general-purpose foundation models built for edge, on-device, and cloud deployment at every scale.

Raised
$250M
Stage
S-A
67

DataRobot

US est. 2012

The only unified agent workforce platform built for enterprise outcomes, not endless pilots.

Raised
$1.1B
Stage
S-G
67

Baseten

US est. 2019

Deploy and scale AI models in production with the fastest inference infrastructure.

Raised
$450M
Stage
S-E
66

Lightmatter

US est. 2017

Photonic chips that move data with light for next-gen AI data centers

Raised
$850M
Stage
S-D
66

Databricks

Verified
US est. 2013

The data + AI company

Raised
$10.6B
Stage
OTHER
65

Positron AI

US est. 2023

US-built, energy-efficient AI inference chips designed to challenge Nvidia on performance-per-watt.

Raised
$281.6M
Stage
S-B
65

Together AI

Verified
US est. 2022

The open AI cloud

Raised
$1.1B
Stage
S-C
64

Fireworks AI

Verified
US est. 2022

Production-grade generative AI serving

Raised
$327M
Stage
S-C
64

Figure AI

Verified
US est. 2022

General-purpose humanoid robots

Raised
$1.7B
Stage
S-C
64

DeepInfra

US est. 2022

High-throughput, low-cost AI inference cloud

Raised
$133M
Stage
S-A
64

Unconventional AI

US est. 2025

Reinventing the computer with brain-inspired, energy-efficient AI hardware

Raised
$475M
Stage
Seed
64

TensorWave

US est. 2023

AI cloud built on AMD Instinct accelerators, operating one of the world's largest liquid-cooled AMD GPU deployments.

Raised
$146.7M
Stage
S-A
63

EnCharge AI

US est. 2022

Analog in-memory AI chips that slash energy use for inference

Raised
$144M
Stage
S-B
63

OpenRouter

US est. 2023

A unified API gateway to 400+ LLMs across 60+ providers

Raised
$153M
Stage
S-B
62

GridCARE

US est. 2024

Physics-based AI that unlocks hidden power-grid capacity to accelerate AI data centers

Raised
$77.5M
Stage
S-A
62

Qualified Health

US est. 2024

Enterprise generative AI infrastructure and governance for health systems

Raised
$155M
Stage
S-A
62

Parasail

US est. 2024

Pay-per-token AI inference supercloud that puts developers in control

Raised
$42M
Stage
S-A
61

MatX

US est. 2024

Chips built from the ground up for frontier large language models

Raised
$545M
Stage
S-B
61

You.com

US est. 2020

The productivity search engine with AI agents.

Raised
$175M
Stage
S-C
60

CoreWeave

US est. 2017

The Essential Cloud for AI, purpose-built to power pioneers' most complex workloads with next-generation infrastructure and intelligent tools.

Raised
$21B
Stage
POST-IPO EQUITY
60

SambaNova

US

The fastest AI inference platform, purpose-built for agentic AI with custom dataflow technology and three-tier memory architecture.

Raised
$1.4B
Stage
S-F
60

VAST Data

US est. 2016

Unifying software layer for AI infrastructure

Raised
$2.4B
Stage
S-F
60

Eridu

US est. 2024

Rebuilding the AI data center network to break the interconnect wall

Raised
$230M
Stage
S-A
60

/dev/agents

US est. 2024

An operating system purpose-built for the era of AI agents.

Raised
$56M
Stage
Seed
59

Mem0

US est. 2024

The memory layer for AI agents and personalized AI applications

Raised
$24M
Stage
S-A
59

Inferact

US est. 2025

Commercial inference engine from the creators of vLLM

Raised
$150M
Stage
Seed
59

Story Protocol

US est. 2022

Programmable IP blockchain for tracking and monetizing AI-era content

Raised
$134M
Stage
S-B
59

Tenstorrent

US

Tenstorrent provides high-performance AI compute solutions, from cards and workstations to scale-out servers, powered by flexible, open-source IP.

Raised
$1.2B
Stage
S-D
58

Parallel

US est. 2023

Web search and research API purpose-built for AI agents

Raised
$230M
Stage
S-B
58

Groq

Verified
US est. 2016

Fastest AI inference on the planet

Raised
$2.7B
Stage
OTHER
57

Exa

Verified
US est. 2022

Search for AI applications

Raised
$102M
Stage
S-B
57

GMI Cloud

US est. 2021

AI-native inference cloud built for production AI workloads on H100, H200 and Blackwell GPUs.

Raised
$82M
Stage
S-A
57

io.net

US est. 2022

Decentralized GPU cloud network aggregating compute for AI and ML workloads

Raised
$40M
Stage
S-A
57

Emerald AI

US est. 2024

Turns AI data centers into flexible grid assets that ease power demand

Raised
$197.2M
Stage
S-A
57

SF Compute

US est. 2023

A real-time marketplace for AI compute

Raised
$52M
Stage
Seed
57

Cerebras Systems

Verified
US est. 2016

Wafer-scale AI chips for unprecedented speed

Raised
$8.0B
Stage
OTHER
56

Pinecone

Verified
US est. 2019

The vector database for AI

Raised
$228M
Stage
S-C
56

RadixArk

US est. 2025

Open infrastructure for frontier AI, built on SGLang

Raised
$100M
Stage
Seed
56

Runloop

US est. 2024

Enterprise-grade cloud infrastructure and devboxes for AI coding agents

Raised
$7M
Stage
Seed
56

FriendliAI

US est. 2021

Fast, cost-efficient generative AI inference for any model

Raised
$25M
Stage
Seed
56

Hyperbolic

US est. 2022

Open-access AI cloud for compute and inference

Raised
$20M
Stage
Seed
56

Crusoe

Verified
US est. 2018

Sustainable AI cloud infrastructure

Raised
$12.7B
Stage
S-F
55

KERNEL

US est. 2025

Crazy fast, open source infra for AI agents to use the Internet

Raised
$22.5M
Stage
S-A
55

Luminal

US est. 2025

Making AI run fast on any hardware

Raised
$5.8M
Stage
Seed
55