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How Much Did OpenAI Raise? Headquarters, Funding & Key Investors

OpenAI has raised $57.9B across multiple major rounds, including a landmark $40B Series F in March 2025 at a $300B valuation, backed by SoftBank, Microsoft, Thrive Capital, and others. Earlier funding includes an undisclosed Series E in November 2024 at a $157B valuation and a $4B debt round in October 2024 led by global banks. Founded in 2015, OpenAI develops advanced AI systems, foundational models, and deployment tools. Its funding supports AGI research, global-scale infrastructure, enterprise platforms, and the expansion of AI agents across industries.

    OpenAI is one of the world’s leading artificial intelligence research and deployment companies, pioneering advanced models, agentic systems, and AI platforms used in enterprises and consumer applications. With a mission to ensure AGI benefits all of humanity, OpenAI builds foundational technologies that power natural language understanding, reasoning, multimodality, and AI-assisted automation. Its products including ChatGPT, GPT models, Codex innovations, and real-time AI systems integrate deeply with developer tools, cloud ecosystems, and digital workflows. Supported by a broad investor network and substantial capital, OpenAI continues expanding its research, safety frameworks, and global infrastructure footprint.

    What Is OpenAI and What Does It Do?

    OpenAI, founded in 2015 by Greg Brockman, John Schulman, Andrej Karpathy, Wojciech Zaremba, Durk Kingma, Ilya Sutskever, Pamela Vagata, Elon Musk, Trevor Blackwell, Vicki Cheung, and Sam Altman, is a San Francisco–based (United States) artificial intelligence research and deployment company. OpenAI employs 2,063 people and develops large-scale AI models, reasoning systems, and agentic platforms. Its technology powers enterprise automation, developer tools, and next-generation human–computer interaction. Through safety-driven research and deep infrastructure investment, OpenAI continues shaping the future of general-purpose AI capabilities.

    How Much Funding Has OpenAI Raised?

    1. Series F

    • Amount Raised: $40B
    • Date: Mar 31, 2025
    • Lead Investors: SoftBank Group, Microsoft, Dragoneer, Coatue, Thrive Capital, T. Rowe Price, Altimeter Capital, Sequoia Capital, Tiger Global Management, Founders Fund, Fidelity, Blackstone, MGX, TPG, A16z, D1 Capital Partners
    • Motivation: Scale AGI research, expand global compute infrastructure, and accelerate enterprise AI deployment.

    2. Conventional Debt

    • Amount Raised: $4B
    • Date: Oct 07, 2024
    • Lead Investors: Wells Fargo, UBS, SMBC, Santander, Morgan Stanley, JPMorgan Chase, HSBC, Goldman Sachs, Citi
    • Motivation: Strengthen liquidity for infrastructure, training clusters, and global data center buildout.

    Total Funding Raised: $57.9B

    Current Valuation: $500B (as of Oct 2025)

    Latest Funding Date: March 2025

    Key Investors

    1. Microsoft

    • Details: Strategic partner and leading investor in enterprise AI and cloud infrastructure.
    • Investment Focus Areas: AI platforms, cloud computing, developer tools.
    • Notable Investments: GitHub, LinkedIn, Mistral AI, Rubrik, Adaptive Computing.

    2. SoftBank Group

    • Details: Global technology investor backing category-defining AI and robotics companies.
    • Investment Focus Areas: AI, automation, semiconductors, mobility.
    • Notable Investments: ARM, Boston Dynamics, GM Cruise, Rappi, NVIDIA (historical stake).

    3. Thrive Capital

    • Details: Growth-stage investor supporting transformative technology and consumer platforms.
    • Investment Focus Areas: AI, fintech, marketplaces, enterprise SaaS.
    • Notable Investments: Stripe, Airtable, Instagram, Plaid, OpenSea.

    Where Is OpenAI’s Headquarters?

    OpenAI is headquartered in San Francisco, California, a global hub for AI talent, research, compute innovation, and deep-tech ecosystem density.

    What’s Next for OpenAI?

    OpenAI plans to advance AGI research, expand global compute networks, enhance enterprise AI tools, and deploy next-generation multimodal and agentic systems. Strategic priorities include safety, reasoning, scalability, and deeper industry integrations.

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