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OpenAI

Frontier AI lab building general-purpose AI systems including ChatGPT and GPT-5
AI 📍 San Francisco, CA Founded 2015
Current Valuation
$500B
as of 2026-Q1
CENTURION
OpenAI is the AI lab behind ChatGPT, GPT-5, and the o-series reasoning models. Originally founded as a non-profit, it now operates a capped-profit subsidiary majority-funded by Microsoft and SoftBank. As of early 2026 it is the second-most valuable private company in the world.

Company Profile

CEO
Sam Altman
Founded
2015
HQ
San Francisco, CA
Employees
~5000
Total Raised
$60B
Est. Revenue
$12B (2026-Q1)
Growth
~100% YoY
Last Round
Secondary tender — $40B (Oct 2025) · Lead: SoftBank
IPO Status
rumored

Founders & Key People

Sam AltmanGreg BrockmanIlya SutskeverElon MuskWojciech Zaremba

Investors

Microsoft · SoftBank · Thrive Capital · Khosla Ventures · Sequoia · Andreessen Horowitz

Products

  • ChatGPT (consumer)
  • GPT-5 / o-series API
  • Sora (video)
  • DALL-E 4
  • Operator (agents)
  • ChatGPT Enterprise

Competitors

Anthropic · xAI · Google DeepMind · Mistral AI
AIFoundation ModelsDecacornTop 3 AI Lab
Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of 2026-Q1. Refreshed quarterly.