Generative AI research and products
OpenAI
Developer of ChatGPT and model platforms used for text, image, audio and software tasks.
Ostrich Times technology index
AI Companies
A visual directory of influential artificial-intelligence companies, with concise summaries, official websites and Wikipedia references.
AI safety and assistants
Anthropic
Developer of the Claude family of assistants, with a stated focus on useful, reliable and interpretable AI systems.
AI research
Google DeepMind
A Google research organisation working across foundation models, science, robotics and advanced machine learning.
Consumer and enterprise AI
Microsoft AI
Microsoft develops Copilot products and provides cloud infrastructure and tools for organisations building with AI.
Accelerated computing
NVIDIA
A computing company whose graphics processors, networking and software underpin much of the modern AI ecosystem.
Open models and consumer AI
Meta AI
Meta develops AI research, open model families and assistants integrated across its consumer platforms.
Foundation models and assistants
xAI
An AI company developing the Grok assistant and large-scale model infrastructure.
European foundation models
Mistral AI
A Paris-based company developing open-weight and commercial language models and AI services.
Enterprise language models
Cohere
A Canadian company focused on language models, retrieval and secure AI tools for organisations.
Open machine-learning platform
Hugging Face
A collaborative platform for models, datasets and applications used across the open machine-learning community.
AI-powered search
Perplexity AI
A search and answer platform that combines generated responses with linked web sources.
Generative image models
Stability AI
A generative-AI company associated with the development and distribution of Stable Diffusion models.