Best Developer Tools AI Startups in United States
100 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.
xAI
VerifiedAI designed to understand the universe
Cognition
Applied AI lab building Devin, the AI software engineer.
Hugging Face
The AI community building the future of machine learning.
Anyscale
Production-scale AI infrastructure powered by Ray for distributed training, data curation, and batch inference.
Thinking Machines Lab
Frontier AI research lab building customizable, multimodal models
DataRobot
The only unified agent workforce platform built for enterprise outcomes, not endless pilots.
Lightmatter
Photonic chips that move data with light for next-gen AI data centers
Windsurf
ACQUIREDAgentic AI IDE for next-generation coding.
Replit
Build software collaboratively from any device.
Augment Code
AI agents that understand your entire codebase, from IDE to CLI to code review.
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.
You.com
The productivity search engine with AI agents.
Baseten
Deploy and scale AI models in production with the fastest inference infrastructure.
VAST Data
Unifying software layer for AI infrastructure
/dev/agents
An operating system purpose-built for the era of AI agents.
OpenRouter
A unified API gateway to 400+ LLMs across 60+ providers
Mastra
The open-source TypeScript framework for building AI agents
Inflection AI
ACQUIREDPersonal AI for everyone
Adept AI
ACQUIREDAI that takes actions in any software
Bolt.new
Full-stack apps from a single prompt — deployed in seconds by StackBlitz
Momentic
AI-native automated software testing platform
Fireworks AI
VerifiedProduction-grade generative AI serving
Codeium
ACQUIREDFree AI coding superpower for every developer
GMI Cloud
AI-native inference cloud built for production AI workloads on H100, H200 and Blackwell GPUs.
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
Hume AI
VerifiedEmpathic AI voice and emotion intelligence
CopilotKit
Open-source framework for building in-app AI copilots and agentic UIs
Keycard
Identity and access management built for AI agents
Entire
Developer platform for the era of agentic coding
Pinecone
VerifiedThe vector database for AI
Amazon Q Developer
AWS-native AI coding assistant — optimized for cloud developers
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
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
Crusoe
VerifiedSustainable AI cloud infrastructure
LangChain
VerifiedBuild context-aware AI applications
Cline
Open-source autonomous AI coding agent for VS Code — bring your own model
Upscale AI
Pure-play AI networking infrastructure
Lambda
VerifiedGPU cloud for AI teams
Cartesia
VerifiedUltra-fast voice AI for real-time applications
Gemini CLI
Google's free open-source terminal AI coding agent — 1M tokens, no cost
Imbue
Tools to empower humans in the AI age with reliable, collaborative coding agents.
Statsig
The modern product development platform to measure what ships and ship what matters.
Definite
One AI-native data platform that replaces the entire modern data stack.
Replicate
VerifiedRun AI models in the cloud
Grit.io
Automated code migrations — upgrade frameworks and dependencies with AI
Kilo Code
Structured AI coding modes for VS Code — architect, code, and review separately
fal
Fastest generative-media inference for developers
Coval
Simulation and evaluation platform for voice and chat AI agents, modeled on self-driving car testing.
Unsiloed AI
API for parsing multimodal unstructured data
Spur
AI QA engineer that tests your website like a real user
Relace
AI models and infrastructure that power autonomous coding agents
Sourcegraph
VerifiedAI-powered code intelligence platform
Sweep
The fastest AI coding assistant for JetBrains IDEs.
CoreWeave
The Essential Cloud for AI, purpose-built to power pioneers' most complex workloads with next-generation infrastructure and intelligent tools.
Sieve
AI video APIs for understanding, dubbing, and editing
GitHub Copilot
The world's most adopted AI code assistant — 1M+ developers inside GitHub
Meshy
AI 3D model generator for game dev and creators
InsForge
The agent-native cloud infrastructure platform
Morph
Fast Apply infrastructure that merges AI code edits at 10,500 tokens/sec
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
Weights & Biases
VerifiedThe AI developer platform
Supermaven
The fastest code autocomplete — 1M token context, instant suggestions
Superlog
AI-native observability that installs itself and ships pull requests to fix the bugs it finds.
AssemblyAI
VerifiedAI models for accurate speech recognition
Phind
AI search engine for developers
Schematic
Ship any pricing model — let developers implement monetization once so GTM teams can iterate without code changes
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.
Banana
Inference hosting for AI teams who ship fast and scale faster.
Runpod
The fastest way to deploy and scale AI workloads with on-demand GPUs and serverless infrastructure.
Factory
The only software development agents that work everywhere you do, from IDE to CI/CD.
Resolve AI
AI SRE for complex production environments
ReasonBlocks
Agent runtime that catches mid-run failures and builds a private reasoning library.
Manicule
AI-native documentation studio for developer tool companies.
AgentPhone
Phone numbers for AI agents — voice and messaging through one unified API.
Deep Interactions
A collaborative AI app builder that lets entire teams ship production AI products together in an afternoon.
Kiro
Amazon's spec-driven AI IDE — build with PRDs, not prompts
Runtime
Sandboxed coding agents for everyone on your team — with guardrails and observability.
Gigacatalyst
Customize your software to every user with AI
Braintrust
The AI observability platform for building quality AI products at scale.
Blitzy
The only autonomous code generation platform with infinite code context, building enterprise software in days, not months.
Tavily
Connect your AI agents to the web with real-time search, extraction, research, and web crawling through a single, secure API.
Limrun
Cloud XCode, iOS and Android simulators that let any coding agent build mobile apps without a Mac.
Replicas
Background coding agents that delegate engineering work to sandboxed AI in Slack, Linear, and GitHub.
v0
Build agents, apps, and websites with AI — generate working frontends in minutes
primitive
Communication infrastructure that lets autonomous agents talk to humans and to each other.
Korso
The intelligence layer for manufacturing that automates RFQs, supplier comms, and production exceptions.
RamAIn
Automate any UI task across legacy desktop, browser, and portal apps with natural language.
Mabl
Low-code intelligent test automation for web, mobile, and API.
OpenCode
Open-source terminal AI coding agent — Aider alternative with multi-model support
Boundary (BAML)
BAML, a programming language and toolchain for building type-safe, structured-output LLM applications.