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427 companies in Developer tools
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By name
Perplexity
The most powerful answer engine. Powering curiosity with answers backed by up-to-date sources. This is where knowledge begins.
Dev tools
Generative AI
NLP
1,367 staff
OpenRouter
Company founded in 2023 by Alex Atallah and Louis Vichy, operating a routing platform that connects AI applications to language models and cloud inference providers.
Dev tools
LLM infra
98 staff
Anthropic
Develops AI systems and related products focused on safety, reliability, and interpretability.
Dev tools
Generative AI
LLM infra
Hiring
Yobi AI
Yobi is a rapidly growing Behavioral AI company on a mission to ethically democratize the benefits of data and AI. Since 2019, we have built one of the largest consented behavioral datasets in the US, extending far beyond the walled gardens of Big Tech. Unlike traditional LLM companies, Yobi builds foundation models of human behavior grounded in real-world actions such as purchases and store visits. Our private-by-design modeling enables state-of-the-art personalization and decisioning for lea
Dev tools
26 staff
Modal
New York company providing serverless GPU compute for AI and data workloads.
Dev tools
Hiring
MongoDB
Database company headquartered at Paramount Plaza in New York City, founded in 2007 by Dwight Merriman, Kevin P. Ryan and Eliot Horowitz, now building AI and emerging products
Dev tools
8,049 staff
Bria AI
At Bria, we provide a comprehensive solution for Visual Generative AI built in the right way for commercial use. Our solutions tackle the essential challenges organizations encounter when deploying Visual Generative AI for commercial purposes across every department: Business, Product, and Technology. Whether you're a research team seeking flexibility, a product team in search of holistic strategies, or a commercial team needing trusted solutions, BRIA delivers a complete array of commercial, r
Dev tools
Generative AI
Computer vision
100 staff
Hugging Face
Open and collaborative platform for AI builders, headquartered in New York City
Dev tools
LLM infra
Datadog
Observability and security platform for the AI era, founded in New York City in 2010
Dev tools
Founded 2010
RADAR
Location intelligence and geofencing APIs for developers
Dev tools
Hiring
Founded 2016
Traversal
Company founded in 2023 by Anish Agarwal, Raj Agrawal, Raaz Dwivedi and Ahmed Lone, building an AI site reliability engineer that root-causes production incidents for enterprises.
Dev tools
AI agents
Hiring
UX Pilot AI
Building cutting-edge tools for UX Professionals and Product Teams.
Dev tools
43 staff
Antioch
Antioch is a development and simulation platform for building, evaluating, and deploying autonomous systems. Antioch was founded by Harry Mellsop in 2025 and is backed by Category Ventures.
Dev tools
AI agents
Robotics
Hiring
Scale AI
Scale provides training data, evaluations, and AI systems for organizations building and deploying artificial intelligence applications.
Dev tools
Hiring
Founded 2016
QARL AI
We're bringing EQ to AI.
Dev tools
9 staff
Tribe AI
Tribe AI is the AI delivery layer for the enterprise. We bridge the gap between frontier models and real-world applications with a platform + services model that gets AI use cases into production at scale.
Dev tools
LLM infra
188 staff
Superblocks
Superblocks is the only internal AI app generation platform powering mission critical operations at global enterprises like Instacart, Sofi, NHS, Airwallex, Virgin, Cvent, and Databricks. It brings business, IT, and engineering teams together to build production-grade internal apps with AI. IT governs centrally with granular access controls like RBAC and SSO, version control, audit logs, and observability - all from a single pane of glass. Superblocks is backed by Kleiner Perkins, Spark Capita
Dev tools
Generative AI
53 staff
GoML
GoML designs, builds and manages production-grade Generative AI systems for startups and enterprises. With over 100 successful deployments and a Gen AI Competency Partnership with AWS, GoML enables organizations to scale gen AI adoption responsibly and with measurable ROI.
Dev tools
Generative AI
LLM infra
186 staff
AILY LABS
We are on a mission to transform ways of working by empowering businesses with meaningful AI. Our decision intelligence app drives AI at scale and unlocks a new level of AI-powered productivity and performance. By putting AI directly into the hands of business users, we empower deeper, smarter, and faster decision-making, accelerating revenue maximization across every part of an organization.
Dev tools
355 staff
Vibranium Labs
NYC company cofounded by Sang Lee and Tim Hwang, whose Vibe AI agentic platform proactively monitors, triages and resolves IT incidents before they reach customers, integrating with PagerDuty, Jira and Datadog.
Dev tools
AI agents
Founded 2024
OpenMined
OpenMined is a non-profit foundation creating open-source technology infrastructure that helps researchers and app builders get answers from data without needing a copy or direct access. Our community of technologists is building Syft: the public network for non-public information. Learn more → www.openmined.org Supported by the OpenMined Foundation, the OpenMined Community is an online ecosystem of over 17,000 technologists, researchers, and industry professionals keen to unlock 1000x more dat
Dev tools
43 staff
Very
Very builds AI-powered applications that turn data into intelligent automation and insights—deployable in the cloud or at the edge. We are a fully distributed technology firm led by expert problem-solvers who build long-lasting partnerships to develop end-to-end, connected, and scalable ecosystems. Our partners face complicated and high-risk challenges. They choose us because we champion a uniquely elevated, strategic, and human approach to creating scalable solutions. We meet every challenge wi
Dev tools
195 staff
Modal Labs
NYC company founded in 2021 by Erik Bernhardsson and Akshat Bubna, providing serverless infrastructure that runs machine learning and AI code in the cloud.
Dev tools
LLM infra
217 staff
Moonshot AI
Imagine if websites could autonomously optimize themselves. Moonshot AI is building an AI platform that teaches websites to evolve overtime to increase conversions, sales, and revenue.
Dev tools
Generative AI
21 staff
Reflection
Reflection is a research lab making intelligence open and accessible for everyone to use, customize, and build on. Our team previously built frontier LLMs at labs like DeepMind, OpenAI, and Anthropic. We believe AI should be built in the open, with transparent research and collaborative development. That means giving enterprises, governments, and sovereign entities true ownership and control of AI that performs at the highest level. Our mission: make intelligence open and accessible to all.
Dev tools
Generative AI
LLM infra
259 staff
Daytona
An infrastructure platform for secure, scalable execution of AI-generated code in isolated sandboxes with programmatic control for developers and AI systems
Dev tools
Founded 2023
Sweep
Sweep is the agentic layer for enterprise systems — where teams and metadata agents plan, change, and govern with speed and confidence. By connecting to platforms like Salesforce, Snowflake, ServiceNow, and more, Sweep continuously ingests and maps the metadata that defines how business systems actually work. It contextualizes dependencies, automation logic, and permissions into a shared system model that becomes a durable enterprise asset over time. With full context in place, teams can safely
Dev tools
AI agents
90 staff
Tavily
With Tavily, your agents can search, extract, and reason with real-time web data through a single API. Our mission is to onboard the next billion AI agents to the web while delivering high-quality, fresh, and structured web context. Agents need to stay grounded as they scale from prototypes to production. That's why real-time web data across research, enrichment, conversational AI, and the products you ship is important. If you're looking for research agents that don't miss, hallucinate, or f
Dev tools
AI agents
107 staff
Centrox AI
Helping companies ship software fast and build intelligent systems by fulfilling their data needs.
Dev tools
51 staff
Emergence AI
Emergence is the frontier AI lab turning cutting-edge agentic research into enterprise infrastructure. Our research spans memory, coordination, verification, and safe execution. We deploy it directly with leading enterprises through Craft, our production-grade intelligence platform, where bounded autonomy is architectural by design.
Dev tools
AI agents
123 staff
Touchcast
We're building the complete stack for the Internet's next act. Welcome to the Generative Web.
Dev tools
Generative AI
69 staff
Pyyne
An AI native services firm using Forward Deployed Engineers to build and operate mission-critical software and agentic systems at scale. Nordic Roots. Global Scale.
Dev tools
AI agents
95 staff
DataForce
DataForce delivers high-quality, multimodal training data and services to power the next generation of AI. From large language models to voice, image, and video generation, DataForce supports AI innovators in tech, life sciences, automotive, and beyond with scalable, secure solutions for development, testing, and safety. Backed by cutting-edge technology and over one million data contributors, DataForce helps ensure AI systems are accurate, adaptable, and ready for real-world deployment. DataFo
Dev tools
446 staff
AIMLEAP
AIMLEAP is an AI development house - co-creating products and solutions. At AIMLEAP, we specialize in end-to-end full-stack development, driving innovation at the intersection of AI, data engineering, and software solutions. We are a CMMI Level 3 organization certified with ISO 9001:2015 and ISO/IEC 27001:2013, and stand as a global technology consulting powerhouse delivering cutting-edge, AI-powered solutions with a focus on performance, scalability, and security. With over 14 years of exper
Dev tools
148 staff
InstaLILY AI
InstaLILY AI, an AI products and infrastructure company that deploys autonomous forward-deployed engineers that learn how a business works, build the software it needs, and go live within days
Dev tools
AI agents
149 staff
LastMile AI
We believe that MCP is all you need to build agents. We provide the build (mcp-agent), test (mcp-eval) and deploy (mcp-agent cloud) environments to take your agents to production.
Dev tools
AI agents
6 staff
Gaper.io - Generative AI & Custom LLM Solutions
Backed by Harvard and Stanford alumni, Gaper brings top talent to every engagement, with a proven track record serving Fortune 500 enterprises and accelerating growth for startups from early stage to venture backed. Gaper is an AI-native implementation partner that helps organizations design, build, and deploy AI agents directly into their workflows. We move companies from AI curiosity to AI capability by implementing practical systems powered by leading platforms like OpenAI, Claude, Gemini, a
Dev tools
Generative AI
LLM infra
72 staff
Comet
Comet has been building AI developer tools since 2017, first for teams training their own models, and later for those building LLM-powered agents. Today, Comet is best known for Opik, the open-source project for agent observability, testing, and optimization. Opik is designed for AI builders who need their agents to work reliably in production. It covers the full workflow from development through production, giving teams one place to see what agents are doing, run tests, catch issues, and make i
Dev tools
LLM infra
101 staff
Shaip
Shaip, by Ubiquity, provides end-to-end AI data services—data collection, licensing, validation, transcription, and annotation—across text, audio, image, and video. We power LLMs and Generative AI with ethically sourced, domain-specific, high-quality training data, supported by human-in-the-loop workflows. With expanded global reach and delivery scale through Ubiquity’s footprint, we help organizations build, deploy, and scale AI—faster and with confidence.
Dev tools
366 staff
Normal Computing
At Normal, we're rewriting AI foundations to advance the frontier of reasoning and reliability in the physical world. We are tackling problems across semiconductors and industrials with a mix of interdisciplinary approaches across the full stack: from probabilistic software infrastructure and algorithms to hardware and physics, enabling AI that can reason and understand its own limits. We understand that our technology is only as powerful as the people behind it. Every employee drives signific
Dev tools
94 staff
Cube
Our mission is to help companies tell the story behind their numbers and shape what comes next We supercharge planning, accelerate analysis, and unify data to unlock the insights that drive better decisions—while giving FP&A teams the freedom to work seamlessly in Excel, Google Sheets, the web, or chat. Cube is the smartest way to work in the tools you love.
Dev tools
151 staff
Shelf
Shelf is an agentic operating system that enables organizations to design, optimize, and orchestrate AI agents that transform customer experience and business operations at enterprise scale.
Dev tools
AI agents
225 staff
AI Astrolabe
Building AI for low-resource languages is not just translation. It is local grounding, dialect nuance, and cultural alignment, at every stage of the AI lifecycle. We provide high-quality alignment data, rigorous evaluation, and red teaming, purpose-built for low-resource languages.
Dev tools
Generative AI
NLP
75 staff
Layer
Layer is a fast-growing Web3 startup that helps developers use off-chain compute for their on-chain apps. We develop a WASI runtime for actively validated services (AVSs), allowing you to build fully decentralized protocols that use offchain state and compute. Our vision is to resurrect the true principles of web3: creating a trust-based, decentralized internet, and combating techno-feudalism. Layer was co-founded by three blockchain pioneers: Jake Hartnell (CEO), who previously co-founded Juno
Dev tools
3 staff
Saturn Cloud
Saturn Cloud is the control plane for GPU clouds. Saturn Cloud enables enterprises, neoclouds, and AI infrastructure providers to deliver secure, self-service AI infrastructure across training, inference, and development workloads. The platform supports bare metal as a service (BMaaS), Kubernetes, Slurm, AI development environments, distributed training, inference endpoints, integrated billing, and managed operations. Saturn Cloud installs directly into customer-controlled infrastructure acros
Dev tools
41 staff
TensorOps
TensorOps is the AI engineering firm that takes AI from strategy to production, in weeks. We build production-grade AI systems for Fortune 500 companies, Nasdaq-100 leaders and industry leaders across financial services, healthcare, cybersecurity, media, and industrial technology. We're partners with OpenAI, AWS, and GCP.
Dev tools
LLM infra
21 staff
1up
Answer customer questions in seconds. Automate RFPs and DDQs in minutes. 1up is trusted by sales teams at WalkMe, Varonis, Deliveroo, and many more to win deals faster. Based in New York City, 1up has raised more than $8 million from Upfront Ventures, RRE, LightBank, and 8-Bit Capital. Get started for free at 1up.ai ⚡👾⚡
Dev tools
39 staff
Rulex
Rulex is a leading technology company specialized in end-to-end data management and decision intelligence, enabling you to build, integrate, and maintain enterprise-level solutions. Our mission is to empower organizations of any size to take smart decisions and automate processes by harnessing their own business data and domain knowledge.
Dev tools
74 staff
Mathpix
AI-powered productivity tools and services used by the world's top companies spanning education, pharma, finance, and technology
Dev tools
38 staff
Byldd
Byldd is a venture studio that's democratizing software entrepreneurship. We help early-stage founders build, launch and scale revenue-generating, investor-fundable mobile, web, and cross-platform products. We help founders refine their ideas, identify critical pain points and solutions, build the appropriate tech solution, get their first customers, find product market fit and then scale up. And we keep costs low by using pre-built modules and automation, allowing us to get a massive kicksta
Dev tools
85 staff
Kodehash
Kodehash: Your Code Alchemists, Brewing Digital Elixir for Growth Forget cookie-cutter tech. Kodehash, your code alchemists, brews potent digital elixirs for explosive growth. We transform raw ideas into custom applications, mobile marvels, and cloud concoctions that ignite your brand. Unleash your potential with: Product Lab: Craft bespoke apps, microservices, and ignite your vision. Mobile Revolution: Go hyper-mobile with native, hybrid, and wearable apps. Conquer hearts with PWAs. C
Dev tools
47 staff
Hemispheric
Foundational AI for decoding the brain
Dev tools
62 staff
Vellum
An AI assistant that runs on your computer with persistent memory, takes actions across connected apps and systems, and maintains its own identity and context across conversations.
Dev tools
AI agents
32 staff
Kestra
Unify orchestration for all engineers. Build, run and govern all your workflows - data, AI, infrastructure, and business - Everything-as-Code, from the UI and with AI. Kestra is the open-source orchestration platform built to help teams ship faster without losing control, making both scheduled and event-driven automation easy across your entire stack. Often described as the fastest-growing open-source orchestration platform, Kestra has seen 10x growth year-over-year in adoption and workflow vo
Dev tools
77 staff
Keymakr Data Labeling
At Keymakr, we provide exceptional image and video data annotation, data creation, data collection, and data validation services for AI/ML computer vision projects of all sizes. With a strong technological foundation and robust expertise, we efficiently manage data across various domains. Our motto, "Human teaching for machine learning," reflects our commitment to a human-in-the-loop approach. We maintain an in-house team of over 600 skilled annotators. Our 4-level QA system combines human over
Dev tools
Computer vision
69 staff
AUI™ (Augmented Intelligence)
Apollo-1: the foundation model for task-oriented dialogue, finally cracked through stateful neuro-symbolic reasoning. Learn about Apollo-1 at aui.io.
Dev tools
Generative AI
NLP
69 staff
Outropy
We give product developers the tools to build AI features that don't suck. Our API lets you tap into top-tier AI models without needing a PhD in machine learning. Let's face it: enterprise AI is a mess. Flashy demos rarely turn into useful products. New AI releases create buzz, but users bail when they get generic, hallucination-filled responses at premium prices. We're fixing that. With Outropy, you can build AI that doesn't sound like a broken chatbot, create features your users will actuall
Dev tools
LLM infra
1 staff
Liminal
Liminal is the actionable intelligence company. In an era where enterprises are racing to deploy AI but discovering that generic models hallucinate in high-stakes environments, Liminal has built the verified alternative — using Grounded Context Engineering to power a proprietary Living Graph that maps the real-time decision logic of the Identity, Fraud, and Cybersecurity markets. Trusted by Visa, Mastercard, Google, JPMC, and the world's leading platforms in digital identity, Liminal provides th
Dev tools
80 staff
AssemblyAI
The best way to build Voice AI apps
Dev tools
NLP
Founded 2017
Metaforms
Metaforms is the Agentic OS for Market Research. In plain language, we make research delivery faster and easier, with AI agents that work alongside your team at every step — from designing the research to the final report. These agents help draft questionnaires, program surveys, test live links, handle revisions and trackers, validate data, clean and code open ends, create tables, and prepare reporting output. They run inside a shared unified workflow, so the context your team adds in an earl
Dev tools
AI agents
63 staff
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