Raised the largest private funding round in tech history in 2026 H1 — a $40B SoftBank-led round at a $300B+ post-money valuation. Powers ChatGPT, GPT-5.5, Sora 2, and Codex.
From Wikipedia
OpenAI is an American artificial intelligence (AI) research organization headquartered in San Francisco, consisting of OpenAI Group PBC, a for-profit public benefit corporation (PBC), partially controlled by OpenAI Foundation, a nonprofit. OpenAI develops generative AI models, particularly the GPT series of large language models. Its release of ChatGPT in November 2022 has been credited with catalyzing the AI boom, and widespread interest in generative AI.