Foundation Model CompaniesDeveloper ToolsPrivate
xAI
AI company founded by Elon Musk building the Grok model family and large-scale training infrastructure for real-time assistants.
Last reviewed: 24 July 2026
Overview
AI company founded by Elon Musk building the Grok model family and large-scale training infrastructure for real-time assistants.
Company profile
- Founded
- 2023
- Headquarters
- San Francisco Bay Area / Memphis training cluster, USA
- Founders
- Elon Musk
- CEO
- Elon Musk
- Funding
- Private
- Ownership
- Private
- Country
- United States
- Open source
- No
- Cloud provider
- No
- Website
- https://x.ai
Products
Foundation models
Related tools
Related research
GitHub
Related benchmarks
Related rankings
Related guides
Related comparisons
Explore more companies
- OpenAIUnited StatesAI research and product company behind ChatGPT, the GPT model family, and the OpenAI API used across assistants, agents, and enterprise apps.
- Google DeepMindUnited Kingdom / United StatesGoogle’s AI research and products organization (including DeepMind and Google AI) behind Gemini, Vertex AI, and foundational ML research.
- AnthropicUnited StatesAI safety and research company that builds the Claude model family and Claude API, focused on helpful, honest, and harmless assistants.
- MicrosoftUnited StatesEnterprise software and cloud company delivering Azure AI, Copilot products, Phi small models, and major investments in OpenAI.
- CohereCanadaEnterprise AI company focused on Command language models, Embed, Rerank, and RAG-oriented APIs for business search and assistants.
- Carnegie Mellon UniversityUnited StatesResearch university whose labs contribute widely used agent and web benchmarks such as WebArena for evaluating autonomous web agents.