Andreessen Horowitz
Andreessen Horowitz (a16z) is a venture capital firm in Silicon Valley that invests in bold entrepreneurs building the future through technology.
Backed Startups (32)
In directoryBlack Forest Labs (FLUX)
Frontier generative AI research lab creating the state-of-the-art FLUX.1 image models
Braintrust Data
Enterprise evaluation, monitoring, and testing platform for LLM applications
Captions AI
The all-in-one AI studio for studio-quality video creation, lip-syncing, and voice cloning
Clerk
Complete user authentication, session management, and organization security for React & Next.js
Convex
The reactive backend-as-a-service platform for real-time web and mobile applications
Cursor (Anysphere)
The AI-first code editor designed to make software engineers hyper-productive
Databricks
The Data Intelligence Platform powering enterprise analytics and open-source AI models
Descript
All-in-one AI audio and video editing software that edits media like a word document
ElevenLabs
AI voice research & deployment creating realistic synthetic voice audio
Fal AI
Ultra-fast generative media inference engine for image, audio, and video models
Figma
The collaborative interface design platform built for teams to design software together
Fly.io
Deploy full-stack applications and databases directly on servers close to users worldwide
Function Health
Comprehensive 100+ whole-body biomarker testing and personalized preventative healthcare membership
HappyRobot
Autonomous voice AI agents automating freight logistics, dispatch, and carrier coordination
Knock
Cross-channel notification engine for product developers
Luma AI
Creator of Dream Machine & frontier 3D/video generative AI technology
Mintlify
Automated developer documentation platform that converts code into beautiful docs
Mistral AI
Open and portable AI models driving enterprise AI innovation
OpenAI
AI research and deployment company behind ChatGPT & GPT-4o
Pinecone
The vector database for high-performance AI applications, RAG pipelines, and semantic search
Replit
Software creation platform & AI agent enabling anyone to build and deploy software instantly
Resend
Modern email infrastructure and API built for developers
Safe Superintelligence (SSI)
Pure-play AI research lab focused exclusively on building safe superintelligence without commercial distractions
Stripe
Financial infrastructure and online payment processing platform for internet businesses
Superhuman
The fastest email experience ever made, powered by AI auto-summaries & instant draft replies
Tecton
Enterprise feature platform for real-time machine learning and AI
Thatch
Health benefits from the future
Town
Context-aware personal AI assistant acting as an autonomous Chief of Staff
Udio
Generative AI music engine creating broadcast-quality songs, vocals, and arrangements from text prompts
World Labs
Spatial intelligence AI company building 3D world models that comprehend physical and virtual environments
xAI
Frontier artificial intelligence company developing the Grok LLM family to understand the universe
Yuno
Universal payment orchestration platform with smart routing and automated fraud prevention