San Francisco, CA – October 2, 2025 – Artificial intelligence leader OpenAI has achieved a groundbreaking valuation of $500 billion following a significant secondary share sale, solidifying its position as the world’s most valuable private company. This latest financial milestone represents a substantial leap from its previous $300 billion valuation earlier in 2025 and places OpenAI significantly ahead of tech giants like SpaceX, ByteDance, and other AI competitors such as Anthropic.
Valuation Surge and Market Dominance
The new $500 billion valuation was established through a secondary share transaction where existing and former employees divested approximately $6.6 billion worth of stock. This secondary market activity saw participation from a consortium of major investors, including SoftBank, Thrive Capital, Dragoneer Investment Group, Abu Dhabi’s MGX, and T. Rowe Price. This surge underscores OpenAI’s rapid growth in both user adoption and revenue, positioning it as a dominant force in the rapidly evolving AI landscape.
The company’s financial performance has been exceptional, generating around $4.3 billion in revenue in the first half of 2025, a figure already surpassing its total earnings for the entirety of 2024. This robust financial trajectory, coupled with the immense demand for its AI products, has fueled investor confidence and validated AI’s status as a transformative technology.
The Stargate Project: Powering Future AI Infrastructure
Beyond its core model development, OpenAI is aggressively expanding its physical infrastructure through the ambitious “Stargate” project. This initiative, a collaboration with tech giants Oracle and SoftBank, aims to construct a colossal AI data center capacity of 4.5 gigawatts, valued at over $300 billion, over the next five years. Recent announcements reveal plans for five new data centers across the U.S., including sites in Shackelford County, Texas; Doña Ana County, New Mexico; and a location in the Midwest. These new facilities, combined with existing developments, are projected to bring the total planned capacity to nearly 7 gigawatts, with the ultimate goal of reaching 10 gigawatts and a total investment of $500 billion by the end of 2025, ahead of schedule. SoftBank and OpenAI are also developing two additional sites capable of scaling to 1.5 gigawatts.
OpenAI for Countries: Global AI Diplomacy
In parallel with its infrastructure expansion, OpenAI has launched “OpenAI for Countries,” a global program designed to assist nations in developing their own AI infrastructure aligned with democratic principles. This initiative offers customized ChatGPT services tailored to support local languages, cultures, and data sovereignty. By partnering directly with governments, OpenAI aims to provide a clear alternative to authoritarian AI models, promoting transparency, accountability, and public interest. The program is set to initiate ten national projects, fostering local innovation and strengthening technological leadership among democratic allies.
Financial Trajectory and Investor Confidence
The recent $500 billion valuation follows a remarkable growth trajectory. OpenAI reached a $300 billion valuation in March 2025 after a $40 billion funding round, also led significantly by SoftBank. The company’s annualized revenue is estimated to have reached $13 billion by July 2025, a substantial increase from $3.7 billion in 2024. Weekly active users for ChatGPT have surged to 700 million, with over 5 million paying business users. This rapid user growth and revenue acceleration highlight the widespread adoption of OpenAI’s technology across consumer and enterprise markets.
The secondary sale also represents a significant opportunity for employees and former staff to gain liquidity from their equity, contributing to the ongoing “AI gold rush” in Silicon Valley. For investors, the transaction signals continued strong belief in OpenAI’s long-term dominance in the AI sector.
Implications and Future Outlook
OpenAI’s ascent to a $500 billion valuation signals a new era for the artificial intelligence industry. The company’s aggressive expansion in infrastructure and global reach through “OpenAI for Countries” positions it to shape the future of AI development and deployment worldwide. This unprecedented valuation and rapid expansion also intensify the competition for top AI talent, a trend already evident with major tech firms offering lucrative packages. As OpenAI continues its ambitious trajectory, its influence is likely to draw increased attention from regulators concerning market concentration and governance in the burgeoning AI sector.
As this trending technology continues to advance, OpenAI’s strategic moves in infrastructure, global partnerships, and its sky-high valuation make it a central narrative in the current tech news cycle.