NeuronFeed Submit a startup

AI in United States

26 startups tracked

Browse by category in United States

Top United States AI startups

Recent funding in United States

Date Startup Round Amount
Oct 2, 2025 OpenAI Series B $10.3B
Mar 3, 2025 Anthropic Series E $4B
Dec 18, 2024 Perplexity Series C $500M
Dec 10, 2024 Cursor Series B $100M
Nov 20, 2024 Grammarly Series D $200M
Sep 25, 2024 Clay Series B $46M
Sep 2, 2024 Anthropic Series D $3.5B
Aug 23, 2024 Hugging Face Series D $235M

All startups in United States

Anthropic logo
Anthropic
US · est. 2021

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

$15B · 69
OpenAI logo
OpenAI
US · est. 2015

Creator of ChatGPT, GPT-4, and the leading frontier AI lab.

$13B · 65
Grammarly logo
Grammarly
US · est. 2009

AI writing assistant for individuals and teams.

$400M · 63
Cursor logo
Cursor
US · est. 2022

The AI code editor built for productive engineers.

$900M · 61
Harvey logo
Harvey
US · est. 2022

The AI platform for elite law firms.

$206M · 61
Jasper logo
Jasper
US · est. 2021

AI copilot for enterprise marketing teams.

$131M · 60
Perplexity logo
Perplexity
US · est. 2022

The answer engine — AI search with real-time citations.

$500M · 60
Hugging Face logo
Hugging Face
US · est. 2016

The AI community building the future of machine learning.

$395M · 55
Copy.ai logo
Copy.ai
US · est. 2020

AI platform for go-to-market teams.

$13.9M · 54
Runway logo
Runway
US · est. 2018

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

$236.5M · 54
HeyGen logo
HeyGen
US · est. 2020

AI video platform with hyper-realistic avatars.

$74M · 54
Replit logo
Replit
US · est. 2016

Build software collaboratively from any device.

$250M · 54
Cognition logo
Cognition
US · est. 2023

Applied AI lab building Devin, the AI software engineer.

$196M · 54
Character.AI logo
Character.AI
US · est. 2021

Chat with millions of user-created AI characters.

$193M · 54
Windsurf logo
Windsurf
US · est. 2021

Agentic AI IDE for next-generation coding.

$243M · 53
Suno logo
Suno
US · est. 2022

Make any kind of song with AI.

$125M · 53
Descript logo
Descript
US · est. 2017

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

$100M · 52
You.com logo
You.com
US · est. 2020

The productivity search engine with AI agents.

$99M · 52
Hex logo
Hex
US · est. 2019

The collaborative data workspace with AI.

$68M · 52
Writesonic logo
Writesonic
US · est. 2020

AI writer, editor, and SEO tool for content teams.

$2.6M · 51
Otter.ai logo
Otter.ai
US · est. 2016

AI meeting assistant for notes, summaries, and action items.

$63M · 51
Udio logo
Udio
US · est. 2023

Discover, create, and share music with AI.

$10M · 49
Clay logo
Clay
US · est. 2017

AI-powered sales prospecting and data enrichment.

$40M · 49
Chatbase logo
Chatbase
US · est. 2023

Custom AI chatbots trained on your data.

$3M · 48

Contextual paths to related AI startups, deals and rankings.