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Andreessen Horowitz logo

Andreessen Horowitz

Venture Capital
Menlo Park, CA
$500K – $5M• Invests mostly in Seed, Series A
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Andreessen Horowitz (a16z) is a venture capital firm in Silicon Valley that invests in bold entrepreneurs building the future through technology.

Backed Startups (30)

In directory
Black Forest Labs (FLUX) logo

Black Forest Labs (FLUX)

Frontier generative AI research lab creating the state-of-the-art FLUX.1 image models

$31M · Seed
Braintrust Data logo

Braintrust Data

Enterprise evaluation, monitoring, and testing platform for LLM applications

$36M · Series A
Captions AI logo

Captions AI

The all-in-one AI studio for studio-quality video creation, lip-syncing, and voice cloning

$100M · Series B
Clerk logo

Clerk

Complete user authentication, session management, and organization security for React & Next.js

$55M · Series B
Convex logo

Convex

The reactive backend-as-a-service platform for real-time web and mobile applications

$50M · Series A
Cursor (Anysphere) logo

Cursor (Anysphere)

The AI-first code editor designed to make software engineers hyper-productive

$60M · Series A
Databricks logo

Databricks

The Data Intelligence Platform powering enterprise analytics and open-source AI models

$4B · Late Stage
Descript logo

Descript

All-in-one AI audio and video editing software that edits media like a word document

$100M · Series C
ElevenLabs logo

ElevenLabs

AI voice research & deployment creating realistic synthetic voice audio

$101M · Series B
Fal AI logo

Fal AI

Ultra-fast generative media inference engine for image, audio, and video models

$23M · Series A
Figma logo

Figma

The collaborative interface design platform built for teams to design software together

$332M · Series E
Fly.io logo

Fly.io

Deploy full-stack applications and databases directly on servers close to users worldwide

$70M · Series B
Gamma logo

Gamma

AI-powered presentation, document, and webpage generator built for fluid storytelling

$22M · Series A
Ideogram AI logo

Ideogram AI

Advanced generative AI image model specialized in precise text rendering and typography

$96.5M · Series A
Knock logo

Knock

Cross-channel notification engine for product developers

$12M · Series A
Luma AI logo

Luma AI

Creator of Dream Machine & frontier 3D/video generative AI technology

$70M · Series B
Mintlify logo

Mintlify

Automated developer documentation platform that converts code into beautiful docs

$18M · Series A
Mistral AI logo

Mistral AI

Open and portable AI models driving enterprise AI innovation

$1.1B · Series B
OpenAI logo

OpenAI

AI research and deployment company behind ChatGPT & GPT-4o

$13B · Late Stage
Pinecone logo

Pinecone

The vector database for high-performance AI applications, RAG pipelines, and semantic search

$138M · Series B
Replicate logo

Replicate

Run open-source machine learning models with a single line of API code

$50M · Series A
Replit logo

Replit

Software creation platform & AI agent enabling anyone to build and deploy software instantly

$222M · Series B
Resend logo

Resend

Modern email infrastructure and API built for developers

$21M · Series A
Safe Superintelligence (SSI) logo

Safe Superintelligence (SSI)

Pure-play AI research lab focused exclusively on building safe superintelligence without commercial distractions

$1B · Series A
Stripe logo

Stripe

Financial infrastructure and online payment processing platform for internet businesses

$9.4B · Late Stage
Superhuman logo

Superhuman

The fastest email experience ever made, powered by AI auto-summaries & instant draft replies

$108M · Series C
Tecton logo

Tecton

Enterprise feature platform for real-time machine learning and AI

$100M · Series C
Udio logo

Udio

Generative AI music engine creating broadcast-quality songs, vocals, and arrangements from text prompts

$10M · Seed
World Labs logo

World Labs

Spatial intelligence AI company building 3D world models that comprehend physical and virtual environments

$230M · Series A
xAI logo

xAI

Frontier artificial intelligence company developing the Grok LLM family to understand the universe

$12B · Series B