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NeuronFeed

Best Agents AI Startups in United States

100 startups match both filters.

Resolve AI

US est. 2023

AI SRE for complex production environments

Raised
$190M
Stage
SERIES A EXTENSION
90

Wordware

US est. 2023

Build AI agents by writing in plain English

Raised
$30M
Stage
Seed
81

Cursor

US est. 2022

The AI code editor built for productive engineers.

Raised
$7.6B
Stage
S-D
79

Serval

US est. 2024

Dual AI agents that automate enterprise IT service management safely

Raised
$127M
Stage
S-A
74

Contextual AI

US est. 2023

Build specialized RAG agents for the enterprise

Raised
$100M
Stage
Seed
74

Model ML

US est. 2024

AI workspace that automates investment banking and finance workflows

Raised
$87M
Stage
Seed
73

Exaforce

US est. 2023

Agentic SOC platform for real-time threat detection and response

Raised
$200M
Stage
S-B
72

Liberate

US est. 2022

Reasoning AI agents that automate insurance sales, service and claims

Raised
$72M
Stage
S-B
72

Augment

US est. 2024

AI teammate that automates freight order-to-cash workflows

Raised
$110M
Stage
Seed
72

Kognitos

US est. 2020

Neurosymbolic agentic automation that runs business operations in plain English

Raised
$51.2M
Stage
S-A
72

Poke

US est. 2024

An AI personal assistant that lives inside your text messages

Raised
$25M
Stage
Seed
72

Crescendo

US est. 2024

AI-native contact center blending agents and humans

Raised
$50M
Stage
S-C
71

Mastra

US est. 2024

The open-source TypeScript framework for building AI agents

Raised
$13M
Stage
Seed
71

Composio

US est. 2023

Integration infrastructure that lets AI agents take action across 250+ apps

Raised
$29M
Stage
Seed
71

OpenHands

US est. 2024

Open-source AI software agents that plan, write, and ship code across entire codebases.

Raised
$18.8M
Stage
S-A
70

Mem0

US est. 2024

The memory layer for AI agents and personalized AI applications

Raised
$24M
Stage
S-A
70

Accrual

US est. 2024

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

Raised
$75M
Stage
VENTURE
70

Thoughtful AI

US est. 2020

Human-capable AI agents that automate healthcare revenue cycle management end to end

Raised
$35M
Stage
S-A
70

Sola

US est. 2024

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

Raised
$21M
Stage
Seed
70

xAI

Verified
US est. 2023

AI designed to understand the universe

Raised
$56B
Stage
S-E
69

Notion AI

Verified
US est. 2013

Connected AI workspace

Raised
$270M
Stage
SECONDARY
69

Levelpath

US est. 2022

AI-native procurement platform with autonomous purchasing agents

Raised
$100M
Stage
S-B
69

Grammarly

US est. 2009

AI writing assistant for individuals and teams.

Raised
$1.2B
Stage
GROWTH
68

CopilotKit

US est. 2023

Open-source framework for building in-app AI copilots and agentic UIs

Raised
$27M
Stage
S-A
68

Ivo

US est. 2022

AI contract review and intelligence for enterprise legal teams

Raised
$81M
Stage
S-B
68

Phia

US est. 2025

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

Raised
$43M
Stage
Seed
68

Avantos

US est. 2024

AI operating system for wealth and financial services firms

Raised
$35M
Stage
Seed
68

Edra

US est. 2024

AI agents that learn how your business runs, then automate the work

Raised
$36.5M
Stage
S-A
68

Astrocade

US est. 2022

AI agents that let anyone create and remix games in minutes

Raised
$68M
Stage
S-B
68

Harper

US est. 2024

AI-native commercial insurance brokerage for SMBs

Raised
$46.8M
Stage
S-A
68

Autonomize AI

US est. 2022

Agentic AI orchestration platform for healthcare and life sciences operations

Raised
$32M
Stage
S-A
68

Mandolin

US est. 2024

AI agents that automate specialty drug access and buy-and-bill workflows

Raised
$40M
Stage
S-A
68

OatFi

US est. 2021

API-first embedded credit network for B2B payments

Raised
$32M
Stage
Seed
68

Cognition

US est. 2023

Applied AI lab building Devin, the AI software engineer.

Raised
$2.5B
Stage
S-D
67

Keycard

US est. 2024

Identity and access management built for AI agents

Raised
$38M
Stage
Seed
67

Sierra

Verified
US est. 2023

Conversational AI agents for every business

Raised
$2.2B
Stage
S-D
66

Fazeshift

US est. 2023

AI agents that automate accounts receivable and finance ops

Raised
$22M
Stage
S-A
66

Coverbase

US est. 2022

AI third-party risk and procurement platform for regulated companies

Raised
$20M
Stage
S-A
66

Lassie

US est. 2024

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

Raised
$47M
Stage
S-A
66

Ema

US est. 2023

Universal AI employee for the enterprise

Raised
$86M
Stage
SERIES A EXTENSION
65

Clicks

US est. 2025

AI agents that operate a computer like humans to automate back-office work.

Raised
$4M
Stage
Seed
65

Fluency

US est. 2017

The digital advertising operating system with agentic AI for scaling paid media

Raised
$40M
Stage
S-A
65

Theoriq

US est. 2023

Blockchain protocol for collectives of autonomous on-chain AI agents

Raised
$10.2M
Stage
Seed
65

Hippocratic AI

Verified
US est. 2023

Safe AI agents for healthcare

Raised
$461M
Stage
S-C
64

Basis

US est. 2023

Autonomous AI agents built for accountants

Raised
$38M
Stage
S-A
64

Outmarket AI

US est. 2025

AI intelligence layer for insurance brokers and agencies

Raised
$17M
Stage
S-A
64

Runloop

US est. 2024

Enterprise-grade cloud infrastructure and devboxes for AI coding agents

Raised
$7M
Stage
Seed
64

Bezi

US est. 2021

Project-aware AI development assistant for Unity game studios

Raised
$13M
Stage
S-A
64

Otto

US est. 2024

Autonomous AI travel agent for business travelers

Raised
$6M
Stage
Seed
64

SRE.ai

US est. 2024

Natural-language AI agents that automate complex enterprise DevOps workflows

Raised
$7.2M
Stage
Seed
64

Automat

US est. 2023

AI agents that operate computers like people to replace legacy RPA

Raised
$19M
Stage
S-A
64

Jasper

US est. 2021

AI copilot for enterprise marketing teams.

Raised
$125M
Stage
S-C
63

Decagon

Verified
US est. 2023

AI agents that actually solve customer problems

Raised
$546M
Stage
S-D
63

8Flow

US est. 2022

Workflow intelligence that surfaces ranked AI agent opportunities

Raised
$24.6M
Stage
S-A
63

Kana

US est. 2025

Flexible AI agents for marketing operations and campaign execution

Raised
$15M
Stage
Seed
63

Blockit

US est. 2025

AI scheduling agent that negotiates calendars on your behalf

Raised
$5M
Stage
Seed
63

Open

US est. 2023

Unified AI customer support platform that resolves complex L2 and L3 issues

Raised
$8.5M
Stage
Pre-S
63

Databricks

Verified
US est. 2013

The data + AI company

Raised
$5.6B
Stage
S-L
62

ai16z

US est. 2024

Solana-based AI venture DAO where autonomous agents manage a crypto fund on-chain.

62

Amperos Health

US est. 2024

AI agents for healthcare denial management and revenue recovery

Raised
$20.2M
Stage
S-A
62

AdsGency AI

US est. 2023

Agentic AI ad agency that autonomously runs your entire paid marketing workflow

Raised
$12M
Stage
Seed
62

Tandem

US est. 2023

AI-native office leasing marketplace and broker

Raised
$6.8M
Stage
Seed
62

Dazzle

US est. 2024

An AI personal assistant from former Yahoo CEO Marissa Mayer

Raised
$8M
Stage
Seed
62

Worktrace AI

US est. 2024

AI that finds and ranks automation opportunities in your workflows

Raised
$9.3M
Stage
Seed
61

Beycome

US est. 2016

AI-powered for-sale-by-owner real estate and title platform

Raised
$2.5M
Stage
Seed
60

TextQL

US est. 2023

Ana, the AI data analyst that answers questions across your BI stack

Raised
$4.1M
Stage
Seed
60

Airial

US est. 2024

AI travel concierge that plans every detail of your trip

Raised
$3M
Stage
Seed
60

Keragon

US est. 2023

No-code, HIPAA-compliant workflow automation built for healthcare

Raised
$10.5M
Stage
Seed
60

Enzo Health

US est. 2024

Agentic AI-native EHR connecting referral to reimbursement for home health

Raised
$26M
Stage
S-A
60

Plurio

US est. 2019

The AI agent that runs performance marketing on autopilot

Raised
$3.5M
Stage
Seed
60

Hint

US est. 2025

Proactive AI home manager that catches issues before they become problems

Raised
$10M
Stage
Seed
59

AutonomyAI

US est. 2024

Agentic AI that ships production-grade front-end code like a senior developer

Raised
$4M
Stage
Pre-S
59

Augment Code

US est. 2022

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

Raised
$252M
Stage
S-B
58

Griffain

US est. 2024

Deploy autonomous AI agents for Solana token trading, NFTs, and DeFi.

58

Agency

US est. 2024

Agentic AI for customer success and customer experience

Raised
$20M
Stage
S-A
58

Newo.ai

US est. 2023

AI receptionist handling voice, SMS, and WhatsApp for SMB front desks

Raised
$32M
Stage
S-A
58

Kaaj

US est. 2024

Agentic AI credit intelligence that automates small-business loan underwriting

Raised
$3.8M
Stage
Seed
58

Homa

US est. 2024

AI homebuying platform that replaces the buyer's agent and rebates commission

Raised
$3M
Stage
Seed
58

Avallon

US est. 2024

AI agents that automate insurance claims operations

Raised
$4.6M
Stage
Seed
58

Adept AI

ACQUIRED
US est. 2022

AI that takes actions in any software

Raised
$350M
Stage
M&A
57

Writer

Verified
US est. 2020

Full-stack generative AI for enterprise

Raised
$321M
Stage
S-C
57

Glean

Verified
US est. 2019

Work AI for the entire enterprise

Raised
$750M
Stage
S-F
57

Nava

US est. 2025

Escrow and verification layer that keeps AI financial agents in check

Raised
$8.3M
Stage
Seed
57

BizTrip AI

US est. 2024

Agentic AI assistant for corporate travel without the search bar

Raised
$2.5M
Stage
Pre-S
57

14.ai

US est. 2024

AI-native customer support agency replacing support teams for startups

Raised
$3M
Stage
Seed
57

Natural

US est. 2025

Payment infrastructure for AI agents

Raised
$9.8M
Stage
Seed
57

Nowadays

US est. 2023

An AI copilot that automates corporate event and retreat planning

Raised
$2M
Stage
Seed
57

Hex

US est. 2019

The collaborative data workspace with AI.

Raised
$70M
Stage
S-C
56

Inflection AI

ACQUIRED
US est. 2022

Personal AI for everyone

Raised
$1.6B
Stage
S-B
56

Poolside

Verified
US est. 2023

AI platform for software engineering

Raised
$500M
Stage
GROWTH
56

Luma AI

Verified
US est. 2021

Dream Machine — the world's most realistic AI video

Raised
$954M
Stage
S-C
56

Exa

Verified
US est. 2022

Search for AI applications

Raised
$102M
Stage
S-B
56

Mixus

US est. 2024

AI agent command center built right inside your inbox and Slack

Raised
$2.6M
Stage
Pre-S
56

CharacterQuilt

US est. 2024

AI infrastructure for marketers — ship full campaigns in your existing stack in an hour.

Raised
$500K
Stage
Seed
55

Armature

US est. 2026

Agent testing and observability for MCPs and CLIs across every model and harness.

Raised
$500K
Stage
Seed
55

Ontora

US est. 2026

AI agents that interview every employee to map how work actually gets done.

Raised
$500K
Stage
Seed
55

RentAHuman

US est. 2026

A marketplace where AI agents hire real humans on demand through an API or MCP endpoint.

Raised
$500K
Stage
Seed
55

Sherpa

US est. 2026

Autonomous conversion rate optimization that watches sessions, ships A/B tests, and lifts signups.

Raised
$500K
Stage
Seed
55

Replicas

US est. 2026

Background coding agents that delegate engineering work to sandboxed AI in Slack, Linear, and GitHub.

Raised
$500K
Stage
Seed
55

WithAI

US est. 2026

Custom AI command centers that let hedge fund analysts research and manage portfolios with agents.

Raised
$500K
Stage
Seed
55