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#US Startup

60 AI startups tagged "US Startup"

Anthropic

US est. 2021

AI safety lab building Claude — a helpful, harmless, honest AI assistant.

Raised
$133.1B
Stage
S-D
85

Cursor

US est. 2022

The AI code editor built for productive engineers.

Raised
$7.6B
Stage
S-D
84

Perplexity

US est. 2022

AI-powered answer engine delivering real-time, cited responses to complex queries.

Raised
$2.0B
Stage
S-F
82

Harvey

US est. 2022

The AI platform for elite law firms.

Raised
$1.7B
Stage
GROWTH
81

Crescendo

US est. 2024

AI-native contact center blending agents and humans

Raised
$50M
Stage
S-C
73

Drata

US est. 2020

Trust management automation for SOC 2, ISO, HIPAA

Raised
$328.2M
Stage
S-C
73

Hugging Face

US est. 2016

The AI community building the future of machine learning.

Raised
$970M
Stage
S-E
72

xAI

Verified
US est. 2023

AI designed to understand the universe

Raised
$56B
Stage
S-E
72

Notion AI

Verified
US est. 2013

Connected AI workspace

Raised
$270M
Stage
SECONDARY
71

Niantic Spatial

US est. 2025

Real-world foundation models and AR maps for physical AI

Raised
$250M
Stage
STRATEGIC
71

Cognition

US est. 2023

Applied AI lab building Devin, the AI software engineer.

Raised
$2.5B
Stage
S-D
70

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

Grammarly

US est. 2009

AI writing assistant for individuals and teams.

Raised
$1.2B
Stage
GROWTH
68

Genspark

US est. 2023

Your all-in-one AI workspace that puts busywork on autopilot.

Raised
$520M
Stage
SERIES B EXTENSION
68

Vanta

US est. 2018

Agentic trust and compliance automation platform

Raised
$504M
Stage
S-D
68

Runway

US est. 2018

Applied AI research for video, image, and 3D.

Raised
$1.4B
Stage
S-E
67

Thinking Machines Lab

US est. 2025

Frontier AI research lab building customizable, multimodal models

Raised
$2B
Stage
Seed
67

Sierra

Verified
US est. 2023

Conversational AI agents for every business

Raised
$2.2B
Stage
S-D
66

Recursion

US est. 2013

Pioneering AI-driven solutions in drug discovery to radically improve lives.

Raised
$500M
Stage
IPO
66

Ema

US est. 2023

Universal AI employee for the enterprise

Raised
$86M
Stage
SERIES A EXTENSION
66

Pony.ai

US est. 2016

Developing safe and reliable autonomous driving technology globally, accumulating millions of kilometers in road testing.

Raised
$1.2B
Stage
IPO
65

Eudia

US est. 2023

AI-augmented intelligence platform for legal teams

Raised
$105M
Stage
S-A
65

7AI

US est. 2024

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

Raised
$166M
Stage
S-A
65

Windsurf

ACQUIRED
US est. 2021

Agentic AI IDE for next-generation coding.

Raised
$267M
Stage
S-C
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

Jasper

US est. 2021

AI copilot for enterprise marketing teams.

Raised
$125M
Stage
S-C
63

Replit

US est. 2016

Build software collaboratively from any device.

Raised
$1.3B
Stage
S-F
63

Periodic Labs

US est. 2025

Creating AI scientists and autonomous laboratories to accelerate scientific discovery, starting with physical sciences.

Raised
$300M
Stage
Seed
63

Plaud AI

US est. 2021

AI voice recorder devices for hands-free note-taking

Raised
$5M
Stage
CONVERTIBLE NOTE
63

Suno

US est. 2022

Make any kind of song with AI.

Raised
$1.4B
Stage
S-D
62

Nuro

US

A universal autonomy platform for all roads and all rides, empowering automakers and mobility providers to scale autonomy responsibly.

Raised
$2.3B
Stage
S-E
62

Niantic Labs

US est. 2010

Niantic creates real-world augmented reality games and apps that encourage exploration and social interaction.

Raised
$770M
Stage
M&A
62

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

Safe Superintelligence

Verified
US est. 2024

Building safe superintelligence

Raised
$3B
Stage
S-B
61

Carbon Robotics

US est. 2018

AI-powered LaserWeeder for sustainable farming

Raised
$147.8M
Stage
SERIES D EXTENSION
61

Greptile

US est. 2023

AI code review agent with complete codebase context

Raised
$29M
Stage
S-A
61

HeyGen

US est. 2020

AI video platform with hyper-realistic avatars.

Raised
$65.6M
Stage
S-A
60

Databricks

Verified
US est. 2013

The data + AI company

Raised
$5.6B
Stage
S-L
60

Anterior

US est. 2022

Clinician-led AI platform that automates prior authorization and clinical administrative work for health plans.

Raised
$64M
Stage
S-C
60

Crosby

US est. 2025

AI-native law firm delivering fast contract review through a Slack-native, services-as-software model.

Raised
$80M
Stage
S-B
60

Cluely

US est. 2025

AI desktop overlay that listens, sees the screen, and whispers answers in real time.

Raised
$20.3M
Stage
S-A
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

PSI Quantum

US est. 2016

Photonic quantum computing for fault-tolerant AI workloads.

Raised
$2.3B
Stage
S-E
59

LlamaIndex

US est. 2023

Data framework and cloud for LLM applications

Raised
$27.5M
Stage
S-A
59

Stack AI

US est. 2023

No-code platform for enterprise AI agents and forms

Raised
$16.6M
Stage
S-A
59

Nomic AI

US est. 2022

Open-source embeddings and Atlas data maps for AI teams

Raised
$19M
Stage
S-A
59

Cleerly

US est. 2017

FDA-cleared AI imaging platform that analyzes coronary CT scans to detect and characterize heart disease earlier.

Raised
$629M
Stage
SERIES C EXTENSION
59

Rox

US est. 2024

AI agent swarms that put enterprise revenue on autopilot for the Global 2000.

Raised
$50M
Stage
SEED EXTENSION
59

/dev/agents

US est. 2024

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

Raised
$56M
Stage
Seed
59

Adept AI

ACQUIRED
US est. 2022

AI that takes actions in any software

Raised
$350M
Stage
M&A
58

Bolt.new

US est. 2024

Full-stack apps from a single prompt — deployed in seconds by StackBlitz

Raised
$105.5M
Stage
S-B
58

Pika

US est. 2023

AI-powered video generation and editing platform that turns text and images into dynamic videos.

Raised
$215M
Stage
S-B
58

Fireworks AI

Verified
US est. 2022

Production-grade generative AI serving

Raised
$327M
Stage
S-C
57

Poolside

Verified
US est. 2023

AI platform for software engineering

Raised
$500M
Stage
GROWTH
57

Codeium

ACQUIRED
US est. 2021

Free AI coding superpower for every developer

Raised
$3.0B
Stage
M&A
57

Writer

Verified
US est. 2020

Full-stack generative AI for enterprise

Raised
$321M
Stage
S-C
57

Exa

Verified
US est. 2022

Search for AI applications

Raised
$102M
Stage
S-B
57

Glean

Verified
US est. 2019

Work AI for the entire enterprise

Raised
$750M
Stage
S-F
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