Following its largest funding round to date on February 27, 2026, the total capital raised by OpenAI amounted to billion U.S. dollars. The February 2026 funding round was the largest U.S. venture capital deal of all time. The company was launched on December 11, 2015.
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PitchBook. (February 27, 2026). Cumulative total capital raised by OpenAI worldwide from December 11, 2015 to February 27, 2026 (in billion U.S. dollars) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 22, 2026, from /statistics/1304658/openai-total-capital-raised/
PitchBook. "Cumulative total capital raised by OpenAI worldwide from December 11, 2015 to February 27, 2026 (in billion U.S. dollars)." Chart. February 27, 2026. ÌÇÐÄÆƽâ°æ. Accessed July 22, 2026. /statistics/1304658/openai-total-capital-raised/
PitchBook. (2026). Cumulative total capital raised by OpenAI worldwide from December 11, 2015 to February 27, 2026 (in billion U.S. dollars). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 22, 2026. /statistics/1304658/openai-total-capital-raised/
PitchBook. "Cumulative Total Capital Raised by Openai Worldwide from December 11, 2015 to February 27, 2026 (in Billion U.S. Dollars)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 27 Feb 2026, /statistics/1304658/openai-total-capital-raised/
PitchBook, Cumulative total capital raised by OpenAI worldwide from December 11, 2015 to February 27, 2026 (in billion U.S. dollars) ÌÇÐÄÆƽâ°æ, /statistics/1304658/openai-total-capital-raised/ (last visited July 22, 2026)
Cumulative total capital raised by OpenAI worldwide from December 11, 2015 to February 27, 2026 (in billion U.S. dollars) [Graph], PitchBook, February 27, 2026. [Online]. Available: /statistics/1304658/openai-total-capital-raised/
