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OpenAI

Artificial intelligence
North America

OpenAI is a frontier AI company developing models, products, and infrastructure at global scale. This page organizes public funding references and related research; it is not an offer or a transaction venue.

Valuation and funding references

2026-03-31
Series C
$852B
OpenAI 官方公告
Public source
2025-10-02
Secondary Share Sale
$500B
Reuters
Public source
2025-03-31
Series A-3
$300B
OpenAI 官方公告
Public source
2024-10-02
Series A-2
$157B
OpenAI 官方公告
Public source
2024-04-10
Series A-1b
$87B
Bloomberg
Public source
2023-04-17
Series A-1a
$28B
TechCrunch
Public source
2019-07-22
Series A-1
未披露
OpenAI 官方公告
Public source

Research boundary

This page organizes publicly traceable company, funding, and research information. It is not investment advice, a quote, an offer, a transaction venue, or approval for any transfer. Private-company structures, eligibility, authorization, and documentation require separate offline review.

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