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NeuronFeed

Best Infrastructure AI Startups in United States

100 startups match both filters.

Hugging Face

US est. 2016

The AI community building the future of machine learning.

Raised
$970M
Stage
S-E
76

Lila Sciences

US est. 2023

Building scientific superintelligence and autonomous AI labs for life, chemical and materials sciences.

Raised
$550M
Stage
SERIES A EXTENSION
70

Quantinuum

US est. 2021

World's largest integrated quantum computing company

Raised
$2.6B
Stage
IPO
70

Anyscale

US est. 2019

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

Raised
$260M
Stage
S-C
67

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
66

DataRobot

US est. 2012

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

Raised
$1.1B
Stage
S-G
66

Lightmatter

US est. 2017

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

Raised
$850M
Stage
S-D
65

7AI

US est. 2024

Agentic cybersecurity platform deploying autonomous AI security agents for alert triage and investigation.

Raised
$166M
Stage
S-A
65

Baseten

US est. 2019

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

Raised
$450M
Stage
S-E
64

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
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
62

EnCharge AI

US est. 2022

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

Raised
$144M
Stage
S-B
62

Databricks

Verified
US est. 2013

The data + AI company

Raised
$5.6B
Stage
S-L
61

Fireworks AI

Verified
US est. 2022

Production-grade generative AI serving

Raised
$327M
Stage
S-C
61

GridCARE

US est. 2024

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

Raised
$77.5M
Stage
S-A
61

Qualified Health

US est. 2024

Enterprise generative AI infrastructure and governance for health systems

Raised
$155M
Stage
S-A
61

Figure AI

Verified
US est. 2022

General-purpose humanoid robots

Raised
$1.7B
Stage
S-C
60

Modal

US est. 2021

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

Raised
$442M
Stage
S-C
60

Parasail

US est. 2024

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

Raised
$42M
Stage
S-A
60

MatX

US est. 2024

Chips built from the ground up for frontier large language models

Raised
$545M
Stage
S-B
60

You.com

US est. 2020

The productivity search engine with AI agents.

Raised
$175M
Stage
S-C
59

Together AI

Verified
US est. 2022

The open AI cloud

Raised
$1.1B
Stage
S-C
59

VAST Data

US est. 2016

Unifying software layer for AI infrastructure

Raised
$2.4B
Stage
S-F
59

/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

OpenRouter

US est. 2023

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

Raised
$153M
Stage
S-B
59

DeepInfra

US est. 2022

High-throughput, low-cost AI inference cloud

Raised
$133M
Stage
S-A
59

Eridu

US est. 2024

Rebuilding the AI data center network to break the interconnect wall

Raised
$230M
Stage
S-A
59

Parallel

US est. 2023

Web search and research API purpose-built for AI agents

Raised
$230M
Stage
S-B
58

Inferact

US est. 2025

Commercial inference engine from the creators of vLLM

Raised
$150M
Stage
Seed
58

Story Protocol

US est. 2022

Programmable IP blockchain for tracking and monetizing AI-era content

Raised
$134M
Stage
S-B
58

Exa

Verified
US est. 2022

Search for AI applications

Raised
$102M
Stage
S-B
57

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
57

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
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
$47.2M
Stage
Seed
57

SF Compute

US est. 2023

A real-time marketplace for AI compute

Raised
$52M
Stage
Seed
57

Groq

Verified
US est. 2016

Fastest AI inference on the planet

Raised
$2.3B
Stage
S-E
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

Cerebras Systems

Verified
US est. 2016

Wafer-scale AI chips for unprecedented speed

Raised
$8.0B
Stage
OTHER
55

Pinecone

Verified
US est. 2019

The vector database for AI

Raised
$228M
Stage
S-C
55

Genmo

US est. 2022

Open-source generative AI for video, building state-of-the-art text-to-video foundation models.

Raised
$28.4M
Stage
S-A
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

Chalk

US est. 2022

AI data platform delivering real-time context for models and agents

Raised
$60M
Stage
S-A
55

Native

US est. 2024

Security-by-design control plane for multi-cloud and AI infrastructure

Raised
$42M
Stage
S-A
55

Lamini

US est. 2022

Enterprise platform for tuning and running custom LLMs

Raised
$25M
Stage
S-A
55

Upscale AI

US est. 2025

Pure-play AI networking infrastructure

Raised
$300M
Stage
S-A
54

Ragie

US est. 2024

Fully managed RAG-as-a-Service for developers

Raised
$5.5M
Stage
Seed
54

Reactor

US est. 2025

Real-time AI video generation with near-zero time to first frame

Raised
$59M
Stage
S-A
54

Manufact (formerly mcp-use)

US est. 2025

Open source SDK & cloud infrastructure for MCP Servers & ChatGPT Apps

Raised
$6.8M
Stage
Seed
54

MemryX

US est. 2019

Energy-efficient edge AI accelerator chips for on-device inference

Raised
$63M
Stage
S-B
54

Anon

US est. 2023

Authentication and automation infrastructure so AI agents can act on the web

Raised
$14.5M
Stage
Pre-S
54

Scale AI

Verified
US est. 2016

Data labeling and AI infrastructure platform powering frontier models for enterprises and governments.

Raised
$14.3B
Stage
STRATEGIC
53

Lambda

Verified
US est. 2012

GPU cloud for AI teams

Raised
$2.0B
Stage
S-E
53

Crusoe

Verified
US est. 2018

Sustainable AI cloud infrastructure

Raised
$1.4B
Stage
S-E
53

Standard AI

US est. 2017

Computer vision for autonomous checkout in physical retail.

Raised
$236M
Stage
S-C
53

truthsystems

US est. 2025

Automatically blocking risky behavior with real-time governance agents

Raised
$4.5M
Stage
Seed
53

Replicate

Verified
US est. 2019

Run AI models in the cloud

Raised
$57.8M
Stage
S-B
52

Skyflow

US

Skyflow provides runtime AI data control, securing sensitive data across datastores, models, and AI agents.

Raised
$137.5M
Stage
S-B
52

Coval

US est. 2024

Simulation and evaluation platform for voice and chat AI agents, modeled on self-driving car testing.

Raised
$3.3M
Stage
Seed
52

Dedalus Labs

US est. 2025

Compute substrate for AI agents

Raised
$11.5M
Stage
Seed
52

AgentMail

US est. 2025

Email Inboxes for AI Agents

Raised
$6.5M
Stage
Seed
52

Era

US est. 2024

Software platform powering a new generation of AI gadgets and devices

Raised
$11M
Stage
Seed
52

BentoML

US est. 2019

Unified inference platform to run AI at scale

Raised
$20M
Stage
Seed
52

LanceDB

US est. 2021

AI-native multimodal lakehouse for vector search, training data, and retrieval.

Raised
$30M
Stage
S-A
51

Mercor

US

Mercor is an AI-powered platform connecting top-tier remote AI talent with companies shaping the future of artificial intelligence.

Raised
$485.6M
Stage
S-C
51

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
51

Higgsfield AI

US est. 2023

Cinematic AI video + image — one chat, 30+ models, zero tool-hopping.

Raised
$138M
Stage
SERIES A EXTENSION
51

Terminal Use

US est. 2026

Vercel for background agents

Raised
$500K
Stage
Seed
51

Sponge

US est. 2026

Financial infrastructure for the agent economy

Raised
$500K
Stage
Seed
51

ProjectX

US est. 2026

Infinity: the first OS where humans and agents work with no limits

Raised
$500K
Stage
Seed
51

SF Tensor

US est. 2025

Infrastructure for AI labs to focus on research

Raised
$500K
Stage
Seed
51

Vana

US est. 2021

Decentralized network for user-owned data to train AI models

Raised
$25M
Stage
S-A
51

Ndea

US est. 2025

Frontier AI lab building AGI through deep learning-guided program synthesis.

Raised
$43M
Stage
Seed
50

Chamber

US est. 2026

The AIOps Agent for ML Teams

Raised
$500K
Stage
Seed
50

Rubric AI

US est. 2026

Reasoning and verification infra for AI

Raised
$500K
Stage
Seed
50

Moda

US est. 2026

The monitoring layer your AI agents need

Raised
$500K
Stage
Seed
50

IncidentFox

US est. 2026

AI SRE agent that triages, coordinates, and fixes production incidents

Raised
$500K
Stage
Seed
50

Orthogonal

US est. 2026

Agentic Payments for APIs

Raised
$500K
Stage
Seed
50

RunAnywhere

US est. 2026

The default way of running on-device AI at Scale

Raised
$500K
Stage
Seed
50

Klaus AI

US est. 2026

Fast and Safe OpenClaw on the cloud

Raised
$500K
Stage
Seed
50

Captain

US est. 2026

Give AI agents accurate knowledge search that scales

Raised
$500K
Stage
Seed
50

Autumn AI

US est. 2026

Stalk your prospects at scale

Raised
$500K
Stage
Seed
50

Minicor

US est. 2026

RPA platform for deploying AI into legacy desktop systems

Raised
$500K
Stage
Seed
50

InsForge

US est. 2026

The agent-native cloud infrastructure platform

Raised
$500K
Stage
Seed
50

Interfaze

US est. 2026

AI model built for deterministic developer tasks

Raised
$500K
Stage
Seed
50

StableBrowse

US est. 2026

Browser Layer for AI agents

Raised
$500K
Stage
Seed
50

Wato

US est. 2026

Shared memory, tools, and workflows for agents across teams

Raised
$500K
Stage
Seed
50

GovGuard

US est. 2026

AI Infrastructure for Government Agencies

Raised
$500K
Stage
Seed
50

Hyperspell

US est. 2025

Memory for AI Agents

Raised
$500K
Stage
Seed
50

Sciloop

US est. 2025

Expert STEM reasoning data for frontier AI labs

Raised
$500K
Stage
Seed
50

Modelence

US est. 2025

The full-stack platform for agentic development

Raised
$500K
Stage
Seed
50

LLM Stats

US est. 2025

Independent AI evaluations lab

Raised
$500K
Stage
Seed
50

Neurophos

US est. 2020

Metasurface optical processors for exaflop-scale AI inference

Raised
$118M
Stage
S-A
50