Skip to main content
NeuronFeed

Best Agents AI Startups in United States

48 startups match both filters.

Cursor

US est. 2022

The AI code editor built for productive engineers.

Raised
$7.6B
Stage
S-D
84

Notion AI

Verified
US est. 2013

Connected AI workspace

Raised
$270M
Stage
SECONDARY
75

Crescendo

US est. 2024

AI-native contact center blending agents and humans

Raised
$50M
Stage
S-C
74

Cognition

US est. 2023

Applied AI lab building Devin, the AI software engineer.

Raised
$2.5B
Stage
S-D
72

xAI

Verified
US est. 2023

AI designed to understand the universe

Raised
$56B
Stage
S-E
72

Grammarly

US est. 2009

AI writing assistant for individuals and teams.

Raised
$1.2B
Stage
GROWTH
69

Ema

US est. 2023

Universal AI employee for the enterprise

Raised
$86M
Stage
SERIES A EXTENSION
67

DataRobot

US est. 2012

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

Raised
$1.1B
Stage
S-G
66

Databricks

Verified
US est. 2013

The data + AI company

Raised
$10.6B
Stage
OTHER
65

Sierra

Verified
US est. 2023

Conversational AI agents for every business

Raised
$2.2B
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

Jasper

US est. 2021

AI copilot for enterprise marketing teams.

Raised
$125M
Stage
S-C
64

Decagon

Verified
US est. 2023

AI agents that actually solve customer problems

Raised
$546M
Stage
S-D
64

Augment Code

US est. 2022

AI agents that understand your entire codebase, from IDE to CLI to code review.

Raised
$252M
Stage
S-B
64

Augment

US est. 2024

AI teammate that automates freight order-to-cash workflows

Raised
$110M
Stage
S-A
64

Model ML

US est. 2024

AI workspace that automates investment banking and finance workflows

Raised
$87M
Stage
Seed
64

Contextual AI

US est. 2023

Build specialized RAG agents for the enterprise

Raised
$100M
Stage
Seed
63

LangChain

Verified
US est. 2022

Build context-aware AI applications

Raised
$125M
Stage
S-B
61

Exaforce

US est. 2023

Agentic SOC platform for real-time threat detection and response

Raised
$200M
Stage
S-B
61

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

Ivo

US est. 2022

AI contract review and intelligence for enterprise legal teams

Raised
$81M
Stage
S-B
60

Poke

US est. 2024

An AI personal assistant that lives inside your text messages

Raised
$25M
Stage
S-A
60

Inflection AI

ACQUIRED
US est. 2022

Personal AI for everyone

Raised
$1.6B
Stage
S-B
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

Mem0

US est. 2024

The memory layer for AI agents and personalized AI applications

Raised
$24M
Stage
S-A
59

Mastra

US est. 2024

The open-source TypeScript framework for building AI agents

Raised
$13M
Stage
Seed
59

Phia

US est. 2025

AI personal shopping assistant that compares prices and resale value across thousands of brands

Raised
$43M
Stage
S-A
59

Avantos

US est. 2024

AI operating system for wealth and financial services firms

Raised
$35M
Stage
Seed
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

Writer

Verified
US est. 2020

Full-stack generative AI for enterprise

Raised
$321M
Stage
S-C
58

Glean

Verified
US est. 2019

Work AI for the entire enterprise

Raised
$750M
Stage
S-F
58

Norm Ai

US est. 2022

Regulatory AI agents that turn rules into compliance automation

Raised
$229.1M
Stage
S-C
58

Liberate

US est. 2022

Reasoning AI agents that automate insurance sales, service and claims

Raised
$72M
Stage
S-B
58

Accrual

US est. 2024

AI-native platform unifying tax prep and review for accounting firms

Raised
$75M
Stage
VENTURE
58

Astrocade

US est. 2022

AI agents that let anyone create and remix games in minutes

Raised
$68M
Stage
S-B
58

Autonomize AI

US est. 2022

Agentic AI orchestration platform for healthcare and life sciences operations

Raised
$32M
Stage
S-A
58

Sola

US est. 2024

Agentic process automation that records a workflow once and runs it autonomously

Raised
$21M
Stage
Seed
58

Lassie

US est. 2024

AI agents that run the back office of small businesses end-to-end

Raised
$47M
Stage
S-A
58

Hex

US est. 2019

The collaborative data workspace with AI.

Raised
$70M
Stage
S-C
57

Luma AI

Verified
US est. 2021

Dream Machine — the world's most realistic AI video

Raised
$954M
Stage
S-C
57

Typeface

Verified
US est. 2022

Personalised generative AI for brand content

Raised
$165M
Stage
S-B
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

Amperos Health

US est. 2024

AI agents for healthcare denial management and revenue recovery

Raised
$20.2M
Stage
S-A
57