Directory

AI company links

Who builds what, where they are based, and where to go for the official product—not third-party wrappers.

OpenAI

North America
ChatGPTGPT-4oDALL·EAPI

Research and deployment company behind ChatGPT and the GPT model family. Focuses on general-purpose assistants, developer APIs, and multimodal generation.

HQ: San Francisco, USA

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Anthropic

North America
ClaudeClaude API

AI safety–oriented lab known for Claude assistants and long-context, document-heavy workflows for teams and individuals.

HQ: San Francisco, USA

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Google DeepMind

Global
GeminiAlphaFoldResearch

Google's advanced AI research arm integrating Gemini across Search, Workspace, and cloud while publishing foundational science.

HQ: London, UK / Mountain View, USA

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Meta AI

North America
LlamaMeta AI assistantPyTorch

Open-weights Llama models plus in-app assistants across Facebook, Instagram, and WhatsApp; major PyTorch steward.

HQ: Menlo Park, USA

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Microsoft

North America
CopilotAzure OpenAIGitHub Copilot

Enterprise distribution layer for AI through Copilot, Azure, and GitHub—often the first touchpoint for business users.

HQ: Redmond, USA

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Mistral AI

Europe
Mistral LargeLe ChatOpen models

European model builder emphasizing efficient open and commercial models with strong multilingual performance.

HQ: Paris, France

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Cohere

North America
CommandEmbedRerank

Enterprise NLP platform focused on retrieval, embeddings, and secure deployments for regulated industries.

HQ: Toronto, Canada

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xAI

North America
Grok

Elon Musk–affiliated lab shipping Grok with real-time X (Twitter) context and a consumer-facing assistant.

HQ: San Francisco, USA

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Perplexity

North America
Perplexity SearchPro

Answer engine combining live web retrieval with LLMs—popular for cited, conversational research.

HQ: San Francisco, USA

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Stability AI

Europe
Stable DiffusionStable Audio

Generative media company best known for open image models and creative tooling ecosystems.

HQ: London, UK

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Hugging Face

Global
HubTransformersSpaces

Community platform and model hub where researchers and developers share weights, datasets, and demos.

HQ: New York, USA / Paris, France

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Alibaba Cloud (Qwen)

Asia-Pacific
QwenDashScope

Cloud giant offering Qwen open models and enterprise AI services across APAC and global cloud regions.

HQ: Hangzhou, China

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