Directory
U.S. AI organizations covering both closed and open offerings: frontier-model developers, chip and cloud providers, enterprise and data platforms, nonprofit labs, robotics companies, and open-source foundations.
99 of 99 organizations shown
Enterprise software · Consumer products · San Jose, California
Adobe makes creative, document, and marketing software, including Photoshop, Acrobat, and its enterprise content and marketing products. It develops Firefly, a family of generative AI models for images, video, and other media, which it offers in its apps and through APIs.
Robotics · Hardware manufacturer · Salem, Oregon
Agility Robotics builds Digit, a humanoid robot deployed commercially for warehouse, manufacturing, and distribution tasks such as tote handling, and Agility Arc, a cloud platform for managing Digit fleets. In September 2026 it announced Digit 5, a version designed to work close to people with less reliance on protective barriers.
Model developer · Research lab · Seattle, Washington
Ai2 is a non-profit AI research institute in Seattle, founded in 2014 by Paul Allen. Its work covers open models and training data, as well as robotics, conservation, and other applied research.
Developer platform · Enterprise software · Massachusetts
All Hands AI develops OpenHands, an open-source platform for building and running AI coding agents. It also offers a hosted service (OpenHands Cloud) and a commercial enterprise edition. The company now presents itself and its products under the OpenHands name.
Cloud provider · Model developer · Seattle, Washington
Amazon runs retail, advertising, and cloud businesses and reports three segments: North America, International, and Amazon Web Services (AWS). Through AWS it offers AI services, including Amazon Bedrock for building generative AI applications and its own Amazon Nova models.
Chip designer · Developer platform · Santa Clara, California
AMD designs processors and accelerators, including EPYC server CPUs, AMD Instinct data center GPUs used for AI, adaptive SoCs and FPGAs, and networking products. It develops the ROCm open software stack for AI and HPC work on its GPUs.
Model developer · Research lab · San Francisco, California
Anthropic, which describes itself as an AI safety and research company, develops the Claude family of models. It offers Claude through web, desktop, and mobile apps, through the Claude Platform API, and through the Claude Code coding agent.
Developer platform · San Francisco, California
Anyscale sells a managed platform for running Ray workloads (data processing, training, and online inference) across clouds and Kubernetes. Ray began at UC Berkeley's RISELab, and Anyscale contributed it to the PyTorch Foundation in 2025.
Developer platform · Model developer · San Francisco, California
Subsidiary of SpaceX
Anysphere makes Cursor, an AI coding product with a desktop editor, coding agents, a command-line tool, and an automated code reviewer. Cursor offers models from several providers alongside its own Composer models. Since August 2026 Anysphere has been a wholly owned subsidiary of SpaceX.
Consumer products · Hardware manufacturer · Cupertino, California
Apple makes and sells smartphones, personal computers, tablets, wearables, and accessories, and sells related services. Its AI features, called Apple Intelligence, run on-device and through Apple's Private Cloud Compute. Developers can reach Apple's on-device model through the Foundation Models framework, and Apple machine learning research publishes the open-source MLX array framework.
Robotics · Hardware manufacturer · Austin, Texas
Apptronik develops the Apollo humanoid robot for manufacturing, logistics, and retail work. Its current model, Apollo 2, comes in bipedal and wheeled configurations; under a research partnership, data collected by Apollo 2 helps advance Google DeepMind's Gemini Robotics models.
Research lab · Nonprofit research · Palo Alto, California
Arc Institute is an independent nonprofit research organization in Palo Alto, California, founded in 2021, that works in partnership with Stanford University, UC Berkeley, and UCSF. Its research spans experimental biology and computational models, including the Evo 2 DNA language model and virtual cell models.
Nonprofit research · Open-source steward · San Francisco, California
ARC Prize Foundation is a nonprofit that develops the ARC-AGI benchmarks, built from tasks that are simple for people but difficult for AI systems, and runs public competitions and model testing around them. It launched ARC-AGI-2 in March 2025 and the interactive ARC-AGI-3 in March 2026.
Model developer · Research lab · San Francisco, California
Arcee AI trains and publishes the Trinity family of open-weight language models, ranging from an on-device Nano model to a roughly 400-billion-parameter mixture-of-experts model. It also runs a hosted, OpenAI-compatible API.
Inference provider · Developer platform · San Francisco, California
Baseten runs an inference platform for deploying open-source, custom, and fine-tuned models, offering per-token APIs for hosted open models, dedicated deployments in its cloud, a customer's cloud, or both, and managed training jobs. The company was started in 2019.
Research lab · Nonprofit research · Redwood City, California
Biohub is a biomedical research organization, founded in 2016 and supported by the Chan Zuckerberg Initiative, that builds AI models of biology alongside data-generation, imaging, and laboratory technologies. After announcing in November 2025 that the EvolutionaryScale team would join it, Biohub now publishes the ESM protein models and runs the Biohub Platform for using them.
Robotics · Hardware manufacturer · Waltham, Massachusetts
Boston Dynamics builds mobile robots: Spot, a quadruped used for industrial inspection; Stretch, a box-handling robot for warehouses; and Atlas, an electric humanoid being introduced with a select group of early adopters. Its Orbit software manages robot fleets and site inspection data. The company began in 1992 as a spin-off from the MIT Leg Lab and is controlled by Hyundai Motor Group.
Chip designer · Enterprise software · Palo Alto, California
Broadcom designs semiconductor products and sells infrastructure software, including VMware Cloud Foundation. Its AI-related semiconductor offerings include custom accelerators (XPUs), Ethernet switching and routing silicon, Ethernet NICs, and optical components, as well as racks and systems based on its XPUs.
University lab · Research lab · Pittsburgh, Pennsylvania
Carnegie Mellon University is a university in Pittsburgh, Pennsylvania. It traces its origin to 1900, when Andrew Carnegie funded the Carnegie Technical Schools, and took its current form in 1967, when the Carnegie Institute of Technology merged with the Mellon Institute.
Nonprofit research · Research lab · San Francisco, California
The Center for AI Safety is a San Francisco-based research and field-building nonprofit whose stated mission is to reduce societal-scale risks from artificial intelligence. Its work covers technical safety research, including benchmarks, as well as field-building and advising industry and policymakers.
Chip designer · Hardware manufacturer · Sunnyvale, California
Cerebras designs the Wafer-Scale Engine, a processor built from an entire silicon wafer, and rack-scale systems based on it for deployment in its own and customers' data centers. It also offers cloud inference and training services that run on its hardware.
Consumer products · Model developer · Palo Alto, California
Character.AI runs a consumer chat app in which people talk by text or voice with AI characters created by users. It post-trains open models from other developers for its product, including CAI-Image, a family of image models post-trained from Qwen-Image.
Data platform · San Francisco, California
Chroma develops the open-source Chroma database for vector, full-text, and metadata search, used for retrieval in AI applications, and sells Chroma Cloud, a hosted serverless version billed on usage.
Chip designer · Enterprise software · San Jose, California
Cisco designs and sells networking, security, collaboration, and observability hardware and software. Its AI-related offerings include Silicon One networking silicon for AI data center networks, the Cisco Secure AI Factory with NVIDIA reference design, and Cisco AI Defense for securing AI applications and models.
Cloud provider · Inference provider · San Francisco, California
Cloudflare describes itself as a connectivity cloud company. Its AI offerings include Workers AI, which runs machine learning models on serverless GPUs across Cloudflare's global network, and AI Gateway, for monitoring and controlling an application's requests to AI model providers. It acquired the model-hosting platform Replicate in December 2025.
Developer platform · Model developer · San Francisco, California
Cognition makes Devin, an AI software engineering agent that runs in the cloud or on a developer's machine, together with Devin Desktop (formerly Windsurf) and Devin CLI. It also develops SWE-series coding models that are offered in these products.
Data services · Beverly Hills, California (address given in the Terms of Use and the IRS listing)
Common Crawl is a nonprofit that crawls the web and makes its archives and derived datasets freely available. It has collected crawl data since 2008 and hosts it on Amazon Web Services through an AWS open data sponsorship program.
Cloud provider · Compute infrastructure · Livingston, New Jersey
CoreWeave operates a cloud platform for AI workloads that combines GPU compute, managed Kubernetes on bare metal, storage, and networking for model training and inference. Its software offerings include the Weights & Biases developer platform.
Data platform · Enterprise software · San Francisco, California
Databricks sells a data and AI platform built on a lakehouse architecture that runs on AWS, Azure, and Google Cloud. The platform includes tools for building and serving AI agents and models, and Databricks-hosted access to open models through its Foundation Model APIs.
Model developer · Research lab · San Francisco, California
Deep Cogito is a San Francisco AI company that post-trains open-weight language models, the Cogito series, on base models from other developers. It describes its training approach as Iterated Distillation and Amplification (IDA), a form of iterative self-improvement.
Hardware manufacturer · Consumer products · Round Rock, Texas
Dell Technologies sells PCs, servers, storage, and networking products and related services. Its Infrastructure Solutions Group includes a portfolio of AI-optimized servers, and it packages its AI infrastructure, data, and services offerings as the Dell AI Factory.
Research lab · Nonprofit research · Washington, D.C.
EleutherAI is a non-profit AI research lab that trains and releases open models, datasets, and tools, and studies how models learn, how to evaluate them, and how to make open-weight systems safer. It began in July 2020 as a Discord community and incorporated as a non-profit research institute in early 2023.
Model developer · Research lab · San Francisco, California
Essential AI is a San Francisco AI research company that publishes open models and data. Its releases include the Essential-Web v1.0 web dataset (June 2025) and the Rnj-1 language models for code and STEM tasks (December 2025).
Model developer · Research lab
EvolutionaryScale is a public benefit company that developed the ESM3 and ESM C (ESM Cambrian) protein language models. In November 2025 Biohub announced that the EvolutionaryScale team would join Biohub, and EvolutionaryScale's website now states that it is part of Biohub.
Robotics · Hardware manufacturer · San Jose, California
Figure builds general-purpose humanoid robots and Helix, its in-house vision-language-action model that controls them. Its current robot generation is Figure 03, designed for both home and commercial work.
Inference provider · Developer platform · San Mateo, California
Fireworks AI operates a hosted platform for serving and training models, offering pay-per-token access to open models from other developers, dedicated deployments, and fine-tuning and reinforcement-learning training services.
Model developer · Research lab · San Francisco, California
Genmo is a San Francisco research company that builds video generation models, which it describes as world models. Its open release is Mochi 1, a text-to-video model published as a research preview in October 2024, and it runs a hosted playground for generating videos.
Enterprise software · Developer platform · San Francisco, California
Glean sells an enterprise AI platform that connects to a company's business applications and data sources to provide permission-aware search, an AI assistant, and AI agents. Its terms describe support for multiple third-party large language models.
Model developer · Research lab · Mountain View, California
Google is the largest of the businesses that make up Alphabet Inc. Alphabet reports Google through its Google Services and Google Cloud segments, and reports centralized research and development on frontier AI models as Alphabet-level activities. This record covers Google and its parent Alphabet together; Google DeepMind has its own record as a research unit.
Research lab · Model developer
Research unit of Google (Alphabet)
Google DeepMind is Google's AI research unit, formed in 2023 by combining DeepMind with the Brain team from Google Research. It is credited as the developer of the Gemma family of open-weight models.
Inference provider · Compute infrastructure · United States (city not stated; legal mailing address is a P.O. box in Mountain View, California)
Groq operates an inference cloud that runs AI models on LPU (Language Processing Unit) accelerators in data centers it deploys with partners. It developed the LPU and launched GroqCloud, and it offers developer access through its console as well as dedicated capacity tiers.
Hardware manufacturer · Enterprise software · Spring, Texas
HPE sells enterprise infrastructure and services spanning servers, hybrid cloud, and networking. Since November 2025 it has reported Cloud & AI and Networking as its main segments. Its AI offerings include HPE Private Cloud AI and other HPE AI Factory solutions, and HPE Cray supercomputers for HPC and AI workloads.
Developer platform · Inference provider · Brooklyn, New York
Hugging Face runs the Hugging Face Hub, which hosts Git-based repositories of models, datasets, and demo apps (Spaces), and sells hosted inference and enterprise services. It also maintains open-source machine-learning libraries such as Transformers.
Model developer · Enterprise software · Armonk, New York
IBM is a publicly traded technology company. In AI, it develops the Granite family of models and sells the watsonx products for building, running, and governing AI models and agents.
Chip designer · Hardware manufacturer · Santa Clara, California
Intel designs and manufactures semiconductor products, including CPUs used in PCs and data centers. Its AI-related offerings include Intel Gaudi AI accelerators and the open-source OpenVINO inference toolkit.
Cloud provider · Compute infrastructure · San Jose, California
Lambda is an AI cloud company that provides NVIDIA GPU infrastructure for training and inference, from on-demand instances and self-serve clusters to single-tenant superclusters. It was founded in 2012 by machine learning engineers.
Data platform · San Francisco, California
LanceDB builds data infrastructure for multimodal AI on the Lance columnar format: the open-source LanceDB embedded retrieval library and LanceDB Enterprise, a distributed multimodal lakehouse platform. In November 2025 LanceDB moved the Lance projects into a separate, community-governed lance-format GitHub organization.
Developer platform · Enterprise software · San Francisco, California
LangChain develops the open-source LangChain, LangGraph, and Deep Agents frameworks for building LLM agents. It also sells LangSmith, a commercial platform for tracing, evaluating, and deploying agents.
Open-source steward
Hosted project of The Linux Foundation
The LF AI & Data Foundation is a directed fund of The Linux Foundation that raises and spends funds to support open-source artificial intelligence, machine learning, and data projects. Its hosted projects include ONNX, which LF AI announced as a graduate-level project in November 2019.
Cloud provider · Compute infrastructure · San Francisco, California
Lightning AI created and maintains the PyTorch Lightning training framework and runs a cloud platform for building, training, and deploying AI models, including browser-based development environments (Studios) and on-demand GPUs. It merged with GPU infrastructure provider Voltage Park in January 2026 and operates under the Lightning AI name.
Consumer products · Enterprise software · Sunnyvale, California
Subsidiary of Microsoft
LinkedIn is a professional networking service owned by Microsoft, which reports it within its Productivity and Business Processes segment. Its engineering team develops and maintains Liger Kernel, an open-source library of Triton GPU kernels for training large language models.
Model developer · Developer platform · Cambridge, Massachusetts
Liquid AI is a company spun out of MIT CSAIL in 2023 that develops Liquid Foundation Models (LFMs), hybrid models built for efficient deployment on phones, laptops, and other devices. It publishes LFM weights on Hugging Face and offers LEAP, a platform for deploying models on edge devices.
Developer platform · Enterprise software · San Francisco, California
LlamaIndex develops the open-source LlamaIndex framework for building LLM agents and workflows over private data. It also sells LlamaParse, a hosted platform for document parsing, extraction, and indexing, which the company now describes as its main focus.
Research lab · Nonprofit research
LMSYS is a 501(c)(3) nonprofit that incubates open-source AI projects and research. It began in 2023 as a collaboration among UC Berkeley, Stanford, UC San Diego, Carnegie Mellon, and MBZUAI, and was incorporated as a nonprofit in September 2024. Its projects include the SGLang serving engine, FastChat, RouteLLM, and the Vicuna models.
Model developer · Consumer products · Redwood City, California
Luma AI develops generative models for video and images, including the Ray3.2 video model and the Uni-1.1 image model. It offers them through Luma Agents, a web-based creative workspace, and through a developer API.
Chip designer · Wilmington, Delaware
Marvell designs data infrastructure semiconductors for AI, cloud, carrier, and enterprise infrastructure. Its AI-related products include custom ASICs for cloud and AI data center customers, Teralynx Ethernet switch chips, optical interconnect DSPs, and the Photonic Fabric optical scale-up interconnect it gained by acquiring Celestial AI.
Model developer · Research lab · Menlo Park, California
Meta operates social and messaging apps including Facebook, Instagram, WhatsApp, and Messenger, along with VR headsets and AI glasses. It develops AI models, including the Llama and Muse model families, and offers the Meta AI assistant across its apps.
Chip designer · Hardware manufacturer · Boise, Idaho
Micron makes memory and storage products, including DRAM, NAND, and NOR. Its Cloud Memory Business Unit covers memory for large hyperscale cloud customers and high-bandwidth memory (HBM) for all data center customers, and the company markets HBM, low-power server memory modules, and data center SSDs for AI workloads.
Model developer · Research lab · Redmond, Washington
Microsoft develops and sells software, cloud services, and devices. Its AI offerings include the Microsoft Foundry platform on Azure, Copilot assistants, and models developed in-house, including the Phi family of small language models and MAI models.
Model developer · Consumer products · South San Francisco, California
Midjourney develops image-generation models and an image-to-video model and offers them through its subscription web service. It also publishes niji・journey, an anime-style image app whose accounts and plans can be synced with Midjourney accounts.
Standards body · Open-source steward · Dover, Delaware (address listed on the About page)
MLCommons is an AI engineering consortium whose members include companies, academics, and nonprofits. It develops benchmarks, including the MLPerf performance suites and the AILuminate safety and security benchmarks, as well as open datasets and tools such as Croissant and MLCube. It launched in December 2020.
Cloud provider · Inference provider · New York, New York
Modal operates a cloud platform for AI and data workloads, including model inference, training and fine-tuning, batch jobs, and sandboxes for running untrusted code. Developers define workloads and hardware in Python code, and usage is billed per second.
Developer platform · Inference provider · Los Altos, California
Subsidiary of Qualcomm
Modular develops the Mojo programming language and MAX, a framework for serving and building AI models on CPUs, GPUs, and other accelerators, and operates Modular Cloud, a hosted inference service. Qualcomm completed its acquisition of Modular in July 2026.
University lab · Research lab · New York, New York
New York University is a private research university founded in 1831. It is anchored in New York City and has degree-granting campuses in Abu Dhabi and Shanghai.
Model developer · Enterprise software · New York, New York
Nomic is a New York City company that offers what it calls a domain-specific AI platform for architecture, engineering, and construction firms, including agents and an Agent API. It has also released open-source AI software and models, including the GPT4All desktop application and the Nomic Embed embedding models.
Model developer · Research lab · United States (city not stated; the store privacy policy gives a contact address in Austin, Texas)
Nous Research is an AI research company that trains and releases open-weight language models, most prominently the Hermes series of post-trained models, and builds open-source agent and training software such as Hermes Agent and the Atropos reinforcement-learning environment framework.
Chip designer · Model developer · Santa Clara, California
NVIDIA designs accelerated computing platforms, including data center GPUs, networking, and complete systems, along with software such as CUDA for building and running AI workloads. Its annual report describes two segments, Compute & Networking and Graphics.
Model developer · Research lab · San Francisco, California
OpenAI develops AI models and offers them through ChatGPT, the OpenAI API, and developer tools such as Codex. It has also published open-weight models, including the gpt-oss series released under the Apache 2.0 license.
Cloud provider · Enterprise software · Austin, Texas
Oracle sells database and enterprise software and operates Oracle Cloud, made up of Oracle Cloud Applications and Oracle Cloud Infrastructure (OCI). OCI compute includes GPU-based and bare-metal offerings for AI model training and inference, and OCI Generative AI is a managed service for building generative AI applications.
Enterprise software · Data platform · Aventura, Florida
Palantir builds software platforms for data integration, analytics, and operational decision-making used by government and commercial customers. Its Artificial Intelligence Platform (AIP) connects large language models with customer data and workflows inside its Foundry and Gotham platforms.
Consumer products · Developer platform · San Francisco, California
Perplexity makes an AI search and answer assistant that responds to questions with cited web sources. It also offers a developer API platform with web-grounded agent, search, embeddings, and model-routing APIs.
Model developer · Research lab · San Francisco, California
Physical Intelligence develops foundation models for robot control, including the π0, π0-FAST, and π0.5 vision-language-action models. It publishes code and checkpoints for these models in its openpi repository.
Model developer · Research lab · San Francisco, California
Poolside trains foundation models for software engineering and publishes the Laguna family of open-weight agentic coding models. It offers the models through an OpenAI-compatible API, a terminal coding agent, and self-managed inference deployments.
Model developer · Research lab · Dover, Delaware (principal place of business listed in its SEC Form D)
Prime Intellect provides GPU compute, a hosted post-training platform (Lab) with an Environments Hub for reinforcement-learning environments, inference, and code sandboxes, and trains open-weight models such as the INTELLECT series. It maintains the open-source prime-rl training framework and the verifiers environment library.
University lab · Research lab · Princeton, New Jersey
Princeton University is a university in Princeton, New Jersey. Researchers at Princeton University and Princeton Language and Intelligence created SWE-bench, a benchmark of real-world GitHub issues for evaluating language models on software engineering tasks.
Open-source steward
Hosted project of The Linux Foundation
The PyTorch Foundation is a directed fund of The Linux Foundation. It supports the PyTorch framework and other hosted projects, including vLLM, DeepSpeed, Ray, Helion, and Safetensors. It was formed in September 2022, when Meta moved PyTorch to the Linux Foundation.
Chip designer · Developer platform · San Diego, California
Qualcomm develops semiconductors and licenses its patent portfolio. Its annual report names on-device AI among its foundational technologies, including the Hexagon NPU in Snapdragon platforms. It also sells data center products, including rack-scale AI inference accelerators under the Qualcomm Dragonfly brand.
Model developer · Research lab · New York, New York
Reflection AI is an AI company that says it is building open-weight frontier models, along with open-source software and infrastructure for customizing and running them. As of this review it had not published any model weights.
Model developer · Consumer products · New York, New York
Runway develops generative AI models, including the Gen-4.5 video model and world models such as GWM-1. It offers its own and some third-party models for video, image, and audio work through a creative web and mobile app and through a developer API.
Research lab · Palo Alto, California
Safe Superintelligence Inc. (SSI) is an AI research company that describes a single goal and product: building safe superintelligence. It says it is an American company with offices in Palo Alto and Tel Aviv.
Enterprise software · Model developer · San Francisco, California
Salesforce sells customer relationship management software and related cloud applications, which it now organizes on its AI-based Agentforce 360 Platform for building and running AI agents. Its research group, Salesforce AI Research, publishes models and datasets on Hugging Face.
Chip designer · Hardware manufacturer · San Jose, California
SambaNova builds AI inference infrastructure: Reconfigurable Dataflow Unit (RDU) chips, SambaRack systems, the SambaStack platform for dedicated deployments, and the SambaCloud inference service for open models.
Data services · Enterprise software · San Francisco, California
Scale AI provides training data, annotation, and human-feedback services for AI model developers, along with model evaluation work and software for building AI agents. It sells to enterprises and to government customers, including national security agencies.
Enterprise software · Model developer · Santa Clara, California
ServiceNow sells the ServiceNow AI Platform, enterprise software for running business workflows, with generative AI tools (Now Assist), AI agents, and AI governance features built in. Its research teams publish the open-weight Apriel language models, and ServiceNow co-stewards the BigCode project with Hugging Face.
Enterprise software · San Francisco, California
Sierra provides a platform on which businesses build and run AI agents for customer service and customer experience, deployed across chat, messaging, email, and voice. It also maintains τ-bench, an open-source benchmark for evaluating customer-service agents.
Robotics · Model developer · Pittsburgh, Pennsylvania
Skild AI develops the Skild Brain, a robotics foundation model that it describes as able to control many kinds of robots, including quadrupeds, humanoids, tabletop arms, and mobile manipulators. In August 2026 it introduced S1, a manipulation model that learns tasks from video demonstrations.
Data platform · Inference provider · Menlo Park, California (principal executive offices)
Snowflake operates a cloud data platform, which it calls the AI Data Cloud, deployed across multiple public clouds and regions. Its Cortex AI services run large language models from several providers inside the platform, and its research team released the Arctic language model with open weights in 2024.
Model developer · Compute infrastructure · Starbase, Texas
SpaceX reports three business segments: Space (reusable launch vehicles), Connectivity (the Starlink satellite network), and AI. SpaceX acquired xAI in February 2026, and its AI segment covers the Grok models, AI products for consumers and businesses, the X platform, and AI computing infrastructure.
University lab · Research lab · Stanford, California
Stanford University is a university in Stanford, California, founded in 1885 by Leland and Jane Stanford; it admitted its first students in 1891. Its AI research groups include the Center for Research on Foundation Models (CRFM) and the Stanford NLP Group.
Hardware manufacturer · San Jose, California
Supermicro designs and builds servers, storage systems, and switches, and sells rack-scale IT solutions. Its annual report describes rack-scale systems for AI and high-performance computing and liquid cooling, offered through its Data Center Building Block Solutions.
Consumer products · Hardware manufacturer · Austin, Texas
Tesla makes electric vehicles and energy generation and storage products. Its annual report says the company is focused on bringing AI into the real world through products and services such as Full Self-Driving (Supervised) and Robotaxi, and on developing AI robots, including Optimus, which it describes as a general-purpose autonomous humanoid robot.
Open-source steward · San Francisco, California (legal postal address)
The Linux Foundation is a nonprofit that hosts and supports open-source software, hardware, standards, and data projects. Among them is the PyTorch Foundation, which operates as one of its directed funds.
Model developer · Research lab · San Francisco, California
Thinking Machines Lab is an AI research and product company. It runs Tinker, a hosted API for fine-tuning open-weight models, and in July 2026 released the open-weight models Inkling and Inkling-Small.
Inference provider · Compute infrastructure · San Francisco, California
Together AI runs a cloud platform for inference, fine-tuning, and training on open-weight models from many developers, and rents GPU clusters. Its website and APIs are operated by Together Computer, Inc.
University lab · Research lab · Berkeley, California
UC Berkeley is a public university and a campus of the University of California, which was founded in 1868 and moved to its Berkeley campus in 1873. Its AI-related research includes the Sky Computing Lab and the Gorilla project, which runs the Berkeley Function Calling Leaderboard.
Robotics · Consumer products · Mountain View, California
Subsidiary of Google (Alphabet)
Waymo develops the Waymo Driver, an autonomous driving system, and runs a public, fully autonomous ride-hailing service in U.S. cities. It began as Google's self-driving car project in 2009, became a separate company under Alphabet in 2016, and is reported by Alphabet within its Other Bets.
Model developer · Enterprise software · San Francisco, California
Writer is a San Francisco enterprise AI company, founded in 2020, whose platform includes the WRITER Agent, AI Studio, and related tools for business teams. The platform uses Writer's own Palmyra X models by default, and Writer has also published some Palmyra models as downloadable weights on Hugging Face.
Model developer · Consumer products · Palo Alto, California
Subsidiary of SpaceX
xAI develops the Grok family of AI models and offers them through the Grok assistant and a developer API. Since February 2026 it has been a wholly owned subsidiary of SpaceX, whose AI segment also includes the X platform and AI computing infrastructure.
Model developer · Research lab · San Francisco, California
Zyphra is a San Francisco AI company that trains open foundation models, including the Zamba hybrid state-space language models and the ZAYA1 mixture-of-experts models. It also runs Zyphra Cloud, a hosted platform for model inference and GPU compute.
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