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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
86

Cursor

US est. 2022

The AI code editor built for productive engineers.

Raised
$7.6B
Stage
S-D
85

Perplexity

US est. 2022

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

Raised
$2.0B
Stage
S-F
82

Hugging Face

US est. 2016

The AI community building the future of machine learning.

Raised
$970M
Stage
S-E
77

Thinking Machines Lab

US est. 2025

Frontier AI research lab building customizable, multimodal models

Raised
$2B
Stage
Seed
77

Runway

US est. 2018

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

Raised
$1.4B
Stage
S-E
76

Harvey

US est. 2022

The AI platform for elite law firms.

Raised
$2.3B
Stage
S-H
76

Cognition

US est. 2023

Applied AI lab building Devin, the AI software engineer.

Raised
$4.1B
Stage
S-E
74

Crescendo

US est. 2024

AI-native contact center blending agents and humans

Raised
$50M
Stage
S-C
74

Drata

US est. 2020

Trust management automation for SOC 2, ISO, HIPAA

Raised
$328.2M
Stage
S-C
74

xAI

Verified
US est. 2023

AI designed to understand the universe

Raised
$56B
Stage
S-E
72

Niantic Spatial

US est. 2025

Real-world foundation models and AR maps for physical AI

Raised
$250M
Stage
STRATEGIC
72

Replit

US est. 2016

Build software collaboratively from any device.

Raised
$1.3B
Stage
S-F
70

Grammarly

US est. 2009

AI writing assistant for individuals and teams.

Raised
$1.2B
Stage
GROWTH
69

Databricks

Verified
US est. 2013

The data + AI company

Raised
$10.6B
Stage
OTHER
69

Eudia

US est. 2023

AI-augmented intelligence platform for legal teams

Raised
$105M
Stage
S-A
68

Suno

US est. 2022

Make any kind of song with AI.

Raised
$1.4B
Stage
S-D
67

Recursion

US est. 2013

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

Raised
$500M
Stage
IPO
67

Ema

US est. 2023

Universal AI employee for the enterprise

Raised
$86M
Stage
SERIES A EXTENSION
67

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
66

Sierra

Verified
US est. 2023

Conversational AI agents for every business

Raised
$2.2B
Stage
S-D
65

Safe Superintelligence

Verified
US est. 2024

Building safe superintelligence

Raised
$3B
Stage
S-B
64

Fireworks AI

Verified
US est. 2022

Production-grade generative AI serving

Raised
$327M
Stage
S-C
64

Periodic Labs

US est. 2025

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

Raised
$300M
Stage
Seed
64

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
64

Windsurf

ACQUIRED
US est. 2021

Agentic AI IDE for next-generation coding.

Raised
$267M
Stage
S-C
63

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
63

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
63

HeyGen

US est. 2020

AI video platform with hyper-realistic avatars.

Raised
$65.6M
Stage
S-A
62

Carbon Robotics

US est. 2018

AI-powered LaserWeeder for sustainable farming

Raised
$147.8M
Stage
SERIES D EXTENSION
62

LangChain

Verified
US est. 2022

Build context-aware AI applications

Raised
$125M
Stage
S-B
61

Greptile

US est. 2023

AI code review agent with complete codebase context

Raised
$29M
Stage
S-A
61

You.com

US est. 2020

The productivity search engine with AI agents.

Raised
$175M
Stage
S-C
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

PSI Quantum

US est. 2016

Photonic quantum computing for fault-tolerant AI workloads.

Raised
$2.3B
Stage
S-E
60

LlamaIndex

US est. 2023

Data framework and cloud for LLM applications

Raised
$27.5M
Stage
S-A
60

Stack AI

US est. 2023

No-code platform for enterprise AI agents and forms

Raised
$16.6M
Stage
S-A
60

/dev/agents

US est. 2024

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

Raised
$56M
Stage
Seed
60

Pika

US est. 2023

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

Raised
$215M
Stage
S-B
59

Captions

US est. 2021

AI that edits your video like a professional would.

Raised
$75M
Stage
GROWTH
59

Adept AI

ACQUIRED
US est. 2022

AI that takes actions in any software

Raised
$350M
Stage
M&A
58

Poolside

Verified
US est. 2023

AI platform for software engineering

Raised
$500M
Stage
GROWTH
58

Codeium

ACQUIRED
US est. 2021

Free AI coding superpower for every developer

Raised
$3.0B
Stage
M&A
58

Rox

US est. 2024

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

Raised
$50M
Stage
SEED EXTENSION
58

Character.AI

US est. 2021

Chat with millions of user-created AI characters.

Raised
$150M
Stage
S-A
57

Groq

Verified
US est. 2016

Fastest AI inference on the planet

Raised
$2.7B
Stage
OTHER
57

Deepgram

US est. 2015

Voice AI platform for developers building speech-to-text, text-to-speech, and speech-to-speech products

Raised
$239M
Stage
S-C
57

Exa

Verified
US est. 2022

Search for AI applications

Raised
$102M
Stage
S-B
57

CrewAI

US est. 2024

Framework for orchestrating role-playing autonomous AI agents

Raised
$18M
Stage
S-A
57

Sesame

US est. 2023

Lifelike voice companions and AI smart glasses

Raised
$307.6M
Stage
S-B
57

Mercury

US est. 2017

Radically different online business banking for startups, small businesses, and scaling companies.

Raised
$700M
Stage
S-D
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

Reka AI

Verified
US est. 2022

Multimodal AI models for the enterprise

Raised
$110M
Stage
S-B
55

Hebbia

Verified
US est. 2020

AI for the world's most demanding work

Raised
$161M
Stage
S-B
55

Chroma

US est. 2022

Open-source search infrastructure for AI with vector, full-text, regex, and metadata search.

Raised
$20.3M
Stage
Seed
55

Apollo.io

US est. 2015

AI-powered sales engagement platform with 275M+ contacts.

Raised
$251M
Stage
S-D
55

Descript

US est. 2017

AI video and podcast editing — edit by editing the transcript.

Raised
$50M
Stage
S-C
54

Gemini CLI

US est. 2025

Google's free open-source terminal AI coding agent — 1M tokens, no cost

Stage
CORPORATE
54

Imbue

US est. 2021

Tools to empower humans in the AI age with reliable, collaborative coding agents.

Raised
$232M
Stage
S-B
54