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TAG

#YC-Backed

49 AI startups tagged "YC-Backed"

Replit

US est. 2016

Build software collaboratively from any device.

Raised
$1.3B
Stage
S-F
72

Greptile

US est. 2023

AI code review agent with complete codebase context

Raised
$29M
Stage
S-A
61

Stack AI

US est. 2023

No-code platform for enterprise AI agents and forms

Raised
$16.6M
Stage
S-A
60

Motion

US est. 2019

AI calendar + project manager that auto-prioritizes your day.

Raised
$75M
Stage
S-C
56

Klaimee

US est. 2025

Liability insurance for AI agents — you deploy them, we cover you.

Raised
$500K
Stage
Seed
51

Arzana

US est. 2025

AI automation for the manufacturing office — order entry, quoting, and customer updates.

Raised
$500K
Stage
Seed
51

Sherpa

US est. 2026

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

Raised
$500K
Stage
Seed
51

General Instinct

US est. 2026

Deploy frontier AI into any edge device, fully offline, at maximum performance.

Raised
$500K
Stage
Seed
50

Ontora

US est. 2026

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

Raised
$500K
Stage
Seed
50

Scope

US est. 2026

The infra layer for AI agent experience

Raised
$500K
Stage
Seed
50

ReasonBlocks

US est. 2026

Agent runtime that catches mid-run failures and builds a private reasoning library.

Raised
$500K
Stage
Seed
49

Superlog

US est. 2026

AI-native observability that installs itself and ships pull requests to fix the bugs it finds.

Raised
$500K
Stage
Seed
49

Dayjob

GB est. 2026

AI Agents for Industrial Logistics

Raised
$500K
Stage
Seed
49

Netter

US est. 2026

AI native Palantir for mid market

Raised
$500K
Stage
Seed
49

Prism

GB est. 2026

AI-native recruiting agency

Raised
$500K
Stage
Seed
49

Pairio

US est. 2026

AI-native industrial maintenance software

Raised
$500K
Stage
Seed
49

Framewise Health

US est. 2026

AI-native patient engagement

Raised
$500K
Stage
Seed
49

Modern

US est. 2026

AI-Native ServiceNow run by always-on AI agents

Raised
$500K
Stage
Seed
49

Parrot

US est. 2026

AI-native operating system for auto shops

Raised
$500K
Stage
Seed
49

Rudus

US est. 2026

AI Takeoffs for Concrete

Raised
$500K
Stage
Seed
49

Plena Health

US est. 2026

Plena is the AI operating system for specialty medical practices

Raised
$500K
Stage
Seed
49

Astraea

US est. 2025

Agents that compress clinical trial biometrics from months to days.

Raised
$500K
Stage
Seed
48

Manicule

US est. 2025

AI-native documentation studio for developer tool companies.

Raised
$500K
Stage
Pre-S
48

AgentPhone

US est. 2026

Phone numbers for AI agents — voice and messaging through one unified API.

Raised
$500K
Stage
Seed
48

Degla

US est. 2026

Fully autonomous intelligence layer in the sky for multi-drone missions.

Raised
$500K
Stage
Seed
48

Deep Interactions

US est. 2025

A collaborative AI app builder that lets entire teams ship production AI products together in an afternoon.

Raised
$500K
Stage
Seed
48

Rhizome AI

US est. 2026

Agent Platform for Life Sciences

Raised
$500K
Stage
Seed
48

ClaimGlide

US est. 2026

AI automated prior-auths for private medical practices

Raised
$500K
Stage
Seed
48

Button Computer

US est. 2026

Button is the wearable AI that can talk

Raised
$500K
Stage
Seed
48

Zolvo

US est. 2026

AI that automates servicing for commercial lenders

Raised
$500K
Stage
Seed
48

Soria

US est. 2026

AI Bloomberg Terminal built for Healthcare (and beyond)

Raised
$500K
Stage
Seed
48

Thomas

US est. 2026

The first AI founder: a virtual human who runs his own companies

Raised
$500K
Stage
Seed
48

Ardent

US est. 2026

Database sandboxes for Agents

Raised
$500K
Stage
Seed
48

Chronicle Labs

US est. 2026

Staging Environments for Enterprise AI Agents

Raised
$500K
Stage
Seed
48

Runtime

US est. 2026

Sandboxed coding agents for everyone on your team — with guardrails and observability.

Raised
$500K
Stage
Seed
47

Limrun

US est. 2025

Cloud XCode, iOS and Android simulators that let any coding agent build mobile apps without a Mac.

Raised
$500K
Stage
Seed
45

matforge

US est. 2026

AI scientists that discover next-generation semiconductor materials in months instead of a decade.

Raised
$500K
Stage
Seed
45

Replicas

US est. 2026

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

Raised
$500K
Stage
Seed
45

Multiplier

US est. 2026

AI agent platform for fundamental investment teams, running inside the client's own cloud.

Raised
$6M
Stage
Seed
45

Klarify

US est. 2024

AI agent for therapists that writes clinical notes, treatment plans, and insurance claims automatically.

Raised
$125K
Stage
Pre-S
45

Shofo

US est. 2025

The world is largest video library, indexing billions of clips into custom datasets for AI labs.

Raised
$500K
Stage
Seed
45

Callab AI

US est. 2024

AI voice agents that plug into legacy on-premises PBX telephony systems without infrastructure migration.

Raised
$500K
Stage
Seed
43

Elyra

US est. 2025

AI voice and email agents that handle restaurant reservations and optimize table allocation in real time.

Raised
$500K
Stage
Seed
43

RamAIn

US est. 2025

Automate any UI task across legacy desktop, browser, and portal apps with natural language.

Raised
$500K
Stage
Seed
43

Primer

US est. 2025

AI agents that deliver personalized interactive product demos to every prospect on demand.

Raised
$500K
Stage
Seed
43

Seeing Systems

GB est. 2025

Modular AI-commanded autonomous strike drones built for contested combat environments.

Raised
$500K
Stage
Seed
42

Tsenta

US est. 2025

AI agent that matches you with jobs and applies automatically across the web.

Raised
$500K
Stage
Seed
41

Helicone

US

Helicone is an AI gateway and LLM observability platform that helps companies route, debug, and analyze their AI applications.

26

Atrisa

An agentic workflow for modern analog design, acting as an assistant engineer for circuit creation, debugging, and simulation.

Stage
Seed
0