Best Developer Tools AI Startups in United States
48 startups match both filters.
Cursor
The AI code editor built for productive engineers.
OpenAI
Creator of ChatGPT, GPT-4, and the leading frontier AI lab.
Harvey
The AI platform for elite law firms.
Hugging Face
The AI community building the future of machine learning.
Thinking Machines Lab
Frontier AI research lab building customizable, multimodal models
Cognition
Applied AI lab building Devin, the AI software engineer.
Anyscale
Production-scale AI infrastructure powered by Ray for distributed training, data curation, and batch inference.
Replit
Build software collaboratively from any device.
xAI
VerifiedAI designed to understand the universe
Modal
High-performance AI infrastructure with sub-second cold starts and instant autoscaling.
OpenRouter
A unified API gateway to 400+ LLMs across 60+ providers
DataRobot
The only unified agent workforce platform built for enterprise outcomes, not endless pilots.
Together AI
VerifiedThe open AI cloud
Baseten
Deploy and scale AI models in production with the fastest inference infrastructure.
Lightmatter
Photonic chips that move data with light for next-gen AI data centers
Positron AI
US-built, energy-efficient AI inference chips designed to challenge Nvidia on performance-per-watt.
Fireworks AI
VerifiedProduction-grade generative AI serving
Augment Code
AI agents that understand your entire codebase, from IDE to CLI to code review.
TensorWave
AI cloud built on AMD Instinct accelerators, operating one of the world's largest liquid-cooled AMD GPU deployments.
Windsurf
ACQUIREDAgentic AI IDE for next-generation coding.
LangChain
VerifiedBuild context-aware AI applications
You.com
The productivity search engine with AI agents.
CoreWeave
The Essential Cloud for AI, purpose-built to power pioneers' most complex workloads with next-generation infrastructure and intelligent tools.
Nomic AI
Open-source embeddings and Atlas data maps for AI teams
VAST Data
Unifying software layer for AI infrastructure
/dev/agents
An operating system purpose-built for the era of AI agents.
Mastra
The open-source TypeScript framework for building AI agents
Inflection AI
ACQUIREDPersonal AI for everyone
Bolt.new
Full-stack apps from a single prompt — deployed in seconds by StackBlitz
Momentic
AI-native automated software testing platform
Crusoe
VerifiedSustainable AI cloud infrastructure
Adept AI
ACQUIREDAI that takes actions in any software
Codeium
ACQUIREDFree AI coding superpower for every developer
Amazon Q Developer
AWS-native AI coding assistant — optimized for cloud developers
GMI Cloud
AI-native inference cloud built for production AI workloads on H100, H200 and Blackwell GPUs.
Keycard
Identity and access management built for AI agents
Groq
VerifiedFastest AI inference on the planet
Deepgram
Voice AI platform for developers building speech-to-text, text-to-speech, and speech-to-speech products
Cline
Open-source autonomous AI coding agent for VS Code — bring your own model
Upscale AI
Pure-play AI networking infrastructure
CopilotKit
Open-source framework for building in-app AI copilots and agentic UIs
Pinecone
VerifiedThe vector database for AI
Coda
Coda is your all-in-one collaborative workspace, bringing teams and tools together for a more organized and productive workday.
Noon
AI-native product design tool that closes the gap between design and code
Entire
Developer platform for the era of agentic coding
Span
Developer intelligence that tracks engineering time and the ROI of AI code
Raindrop
Sentry for AI agents — monitoring that catches silent failures in production
Anvil Robotics
Legos for robots: modular devkits to build and deploy physical AI fast