Best Developer Tools AI Startups in United States
93 startups match both filters.
VAST Data
Unifying software layer for AI infrastructure
Upscale AI
Pure-play AI networking infrastructure
Resolve AI
AI SRE for complex production environments
Meshy
AI 3D model generator for game dev and creators
OpenAI
Creator of ChatGPT, GPT-4, and the leading frontier AI lab.
Harvey
The AI platform for elite law firms.
Cursor
The AI code editor built for productive engineers.
Momentic
AI-native automated software testing platform
OpenRouter
A unified API gateway to 400+ LLMs across 60+ providers
Mastra
The open-source TypeScript framework for building AI agents
Hugging Face
The AI community building the future of machine learning.
Entire
Developer platform for the era of agentic coding
xAI
VerifiedAI designed to understand the universe
CopilotKit
Open-source framework for building in-app AI copilots and agentic UIs
Cognition
Applied AI lab building Devin, the AI software engineer.
Keycard
Identity and access management built for AI agents
Span
Developer intelligence that tracks engineering time and the ROI of AI code
Thinking Machines Lab
Frontier AI research lab building customizable, multimodal models
Relace
AI models and infrastructure that power autonomous coding agents
Windsurf
ACQUIREDAgentic AI IDE for next-generation coding.
Lightmatter
Photonic chips that move data with light for next-gen AI data centers
Raindrop
Sentry for AI agents — monitoring that catches silent failures in production
Replit
Build software collaboratively from any device.
Anyscale
Production-scale AI infrastructure powered by Ray for distributed training, data curation, and batch inference.
Sieve
AI video APIs for understanding, dubbing, and editing
Digger
Infrabase: an AI DevOps agent that lives in your pull request
Lingo.dev
An AI localization engine — the 'Stripe for app localization' for developers
You.com
The productivity search engine with AI agents.
Gemini Code Assist
Google's AI code assistant — 1M token context, deeply integrated with Google Cloud
Modal
High-performance AI infrastructure with sub-second cold starts and instant autoscaling.
Baseten
Deploy and scale AI models in production with the fastest inference infrastructure.
Bolt.new
Full-stack apps from a single prompt — deployed in seconds by StackBlitz
Noon
AI-native product design tool that closes the gap between design and code
Spur
AI QA engineer that tests your website like a real user
Anvil Robotics
Legos for robots: modular devkits to build and deploy physical AI fast
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
Morph
Fast Apply infrastructure that merges AI code edits at 10,500 tokens/sec
Inflection AI
ACQUIREDPersonal AI for everyone
Groq
VerifiedFastest AI inference on the planet
Crusoe
VerifiedSustainable AI cloud infrastructure
Fireworks AI
VerifiedProduction-grade generative AI serving
Deepgram
Voice AI platform for developers building speech-to-text, text-to-speech, and speech-to-speech products
GMI Cloud
AI-native inference cloud built for production AI workloads on H100, H200 and Blackwell GPUs.
Pinecone
VerifiedThe vector database for AI
Lambda
VerifiedGPU cloud for AI teams
LangChain
VerifiedBuild context-aware AI applications
Cartesia
VerifiedUltra-fast voice AI for real-time applications
Hume AI
VerifiedEmpathic AI voice and emotion intelligence
GitHub Copilot
The world's most adopted AI code assistant — 1M+ developers inside GitHub
Gemini CLI
Google's free open-source terminal AI coding agent — 1M tokens, no cost
Gigacatalyst
Customize your software to every user with AI
Kilo Code
Structured AI coding modes for VS Code — architect, code, and review separately
Imbue
Tools to empower humans in the AI age with reliable, collaborative coding agents.
Sweep
The fastest AI coding assistant for JetBrains IDEs.
fal
Fastest generative-media inference for developers
Weights & Biases
VerifiedThe AI developer platform
Grit.io
Automated code migrations — upgrade frameworks and dependencies with AI
Replicate
VerifiedRun AI models in the cloud
AssemblyAI
VerifiedAI models for accurate speech recognition
CoreWeave
The Essential Cloud for AI, purpose-built to power pioneers' most complex workloads with next-generation infrastructure and intelligent tools.
Definite
One AI-native data platform that replaces the entire modern data stack.
Phind
AI search engine for developers
Vapi
Build, test and deploy voicebots in minutes rather than months
Continue
Quality control for your software factory with AI checks on every pull request.
Kiro
Amazon's spec-driven AI IDE — build with PRDs, not prompts
Sourcegraph
VerifiedAI-powered code intelligence platform
v0
Build agents, apps, and websites with AI — generate working frontends in minutes
Unsiloed AI
API for parsing multimodal unstructured data
/dev/agents
An operating system purpose-built for the era of AI agents.
Coval
Simulation and evaluation platform for voice and chat AI agents, modeled on self-driving car testing.
Schematic
Ship any pricing model — let developers implement monetization once so GTM teams can iterate without code changes
Banana
Inference hosting for AI teams who ship fast and scale faster.
Braintrust
The AI observability platform for building quality AI products at scale.
Tavily
Connect your AI agents to the web with real-time search, extraction, research, and web crawling through a single, secure API.
Factory
The only software development agents that work everywhere you do, from IDE to CI/CD.
DataRobot
The only unified agent workforce platform built for enterprise outcomes, not endless pilots.
OpenCode
Open-source terminal AI coding agent — Aider alternative with multi-model support
Coda
Coda is your all-in-one collaborative workspace, bringing teams and tools together for a more organized and productive workday.
Blitzy
The only autonomous code generation platform with infinite code context, building enterprise software in days, not months.
Supermaven
The fastest code autocomplete — 1M token context, instant suggestions
Aider
AI pair programming in your terminal that edits your codebase and commits changes via Git.
QA Wolf
AI-powered end-to-end test coverage with parallel execution.
Magic
Building frontier code models to automate software engineering and research.
Mintlify
The Intelligent Knowledge Platform helping teams create and maintain world-class documentation built for both humans and AI.
Letta
Memory-first agents that learn and improve from experience with natural language.
NVIDIA Synthetic Data Generation for Agentic AI
Accelerate the development of agentic workflows with high-quality, domain-specific synthetic data.
Statsig
The modern product development platform to measure what ships and ship what matters.
Dosu
Knowledge infrastructure for agents and humans, providing automatic knowledge capture without changing your workflow.
Runpod
The fastest way to deploy and scale AI workloads with on-demand GPUs and serverless infrastructure.
Mabl
Low-code intelligent test automation for web, mobile, and API.
Boundary (BAML)
BAML, a programming language and toolchain for building type-safe, structured-output LLM applications.